The following is a list of quotes from the Black Mesa Announcement System. Included are also the many cut Half-Life announcements only found in the file
The announcements are generated in real-time from a total of 608 separate words, with occasionally blank sound files for pauses between words and notification sounds when needed. The sentences have been reassembled from scratch for the wiki following the lists found in
Another prefix, "C2A5", presents the following silent topside areas: the unknown Tactical Operations Center mentioned in a message heard in Sector C before the incident, the Topside Motorpool and its Topside Armory, barracks and hangars, the Topside Hydro Plant, and the unknown Topside Checkpoints Alpha (to be mentioned in the Advanced Biological Research Lab), Bravo (mentioned in Sector C) and Delta (to be mentioned in the Advanced Biological Research Lab and Central Command and Communication Center). These unknown locations either still appear in-game in some form albeit without being clearly identified or were simply cut.
Most appear only in Half-Life, although the majority is never used.
The various notification sounds starting the Black Mesa Announcement System's messages.
Older version of the voice from [https://valvearchive.com/archive/Half-Life/Half-Life/Other/Windows 98 Themes/theme1.zip an unofficial Half-Life Desktop Theme]. The sound files were provided by Valve.
sentences.txt.The announcements are generated in real-time from a total of 608 separate words, with occasionally blank sound files for pauses between words and notification sounds when needed. The sentences have been reassembled from scratch for the wiki following the lists found in
sentences.txt, along with some announcements not listed in the file. Also included are the notification sounds; in some instances they have a different pitch, which is not reproduced here.Half-Life
Location:sound/vox/Training Facility (Unused)
| Sentence name | Filename(s) | Quote |
TR_A | three, two, one, deeoo | Three, two, one. |
TR_B | deeoo, target, system, deactivated | Target system deactivated. |
Anomalous Materials Lab, before the incident
Heard before the Resonance Cascade in the Research area of Sector C's Anomalous Materials Test Labs and Control Facilities, before and after boarding the elevator leading to the lower level where the Anti-Mass Spectrometer is located.| Sentence name | Filename(s) | Quote |
C1A0_0 | dadeda, agent, coomer, report, to, topside, tactical, operations, center | Agent Coomer, report to Topside Tactical Operations Center. |
C1A0_1 | dadeda, inspection, team, to, radioactive, materials, handling, bay | Inspection team to Radioactive Materials Handling Bay. |
C1A0_2 | dadeda, agent, sixteen, report, to, administration, sub, level, two | Agent 16, report to Administration Sub-Level 2. |
C1A0_3 | doop, doctor, johnson, please, call, observation, tank, one | Dr. Johnson, please call Observation Tank 1. |
C1A0_4 | doop, doctor, west, please, report, to, lambda, reactor, complex | Dr. West, please report to Lambda Reactor Complex. |
C1A0_5 | doop, doctor, cross, call, seven, two, nine, please | Dr. Cross, call 729 please. |
C1A0_6 | doop, sargeant (sic), bailey, to, topside, checkpoint, bravo | Sergeant Bailey to Topside Checkpoint Bravo. |
C1A0_7 | dadeda, cryogenic, safety, crew, report, status, at, eleven, hundred, please | Cryogenic Safety Crew, report status at 11:00 please. |
C1A0_8 | dadeda, coded, message, for, captain, black, command, and, communication, center | Coded message for Captain Black, Command and Communication Center. |
C1A0_9 | dadeda, sector, c, science, personnel, report, to, anomalous, materials, test, lab | Sector C science personnel, report to Anomalous Materials test laboratory. |
C1A0_10 | doop, doctor, freeman, to, anomalous, materials, test, lab, immediately | Dr. Freeman to Anomalous Materials test laboratory immediately. |
C1A0_11 | bloop, attention, experimental, propulsion, lab, test, fire, in, ninety, minutes | Attention. Experimental Propulsion Laboratory test fire in 90 minutes. |
C1A0_12 | bloop, hydro, plant, now, operating, at, sixty, percent | Hydro Plant now operating at 60%. |
C1A0_13 | bloop, black, mesa, topside, temperature, is, ninety, three, degrees | Black Mesa topside temperature is 93 degrees. |
C1A0_14 | bloop, launch, officer, reports, alpha, satellite, deploy, is, nominal | Launch officer reports Alpha Satellite deploy is nominal. |
C1A0_15 | bloop, doctor, birdwell, reports, superconducting, interchange, is, activated | Dr. Birdwell reports superconducting interchange is activated. |
C1A0_16 | bloop, attention, report, any, security, violation, to, administration, sub, level, one | Attention. Report any security violation to Administration Sub-Level 1. |
C1A0_17 | bloop, attention, service, personnel, please, clear, helicopter, hangar, one | Attention. Service personnel, please clear Helicopter Hangar 1. |
C1A0_18 | bloop, shield, inspection, crew, reports, primary, reactor, nominal | Shield Inspection Crew reports primary reactor nominal. |
C1A0_19 | bloop, transportation, control, reports, all, systems, on, time | Transportation Control reports all systems on time. |
C1A0_20 | dadeda, doctor, victor, report, to, supercooled, laser, lab, please | Dr. Victor, report to Supercooled Laser Laboratory please. |
C1A0_21 | dadeda, sargeant (sic), guthrie, report, to, topside, motorpool, immediately | Sergeant Guthrie, report to Topside Motorpool immediately. |
C1A0_22 | deeoo, uranium, shipment, inspection, team, to, sector, d | Uranium Shipment Inspection Team to Sector D. |
C1A0_START | dadeda, vox_login | Hello. The Automatic Diagnostic and Announcement System welcomes you to the Black Mesa Research Facility. Remember: Have a secure day. (Unused; features an early name for the Black Mesa Announcement System.) |
Anomalous Materials Lab, after the incident
Heard after the Resonance Cascade in the Research area of Sector C's Anomalous Materials Test Labs and Control Facilities in the corridor leading to the lobby.sentences.txt also mentions Sector B's Coolant Reservoir Facility as a location, but it is never visited.| Sentence name | Filename(s) | Quote |
C1A1_0 | bizwarn (3x), warning, high, energy, detonation, detected, in, materials, lab | Warning. High energy detonation detected in Materials Laboratory. |
C1A1_1 | buzwarn, attention, security, personnel, to, sector, c, immediately | Attention. Security personnel to Sector C immediately. |
C1A1_2 | buzwarn, warning, unauthorized, biological, forms, detected, in, sector, c | Warning. Unauthorized biological forms detected in Sector C. |
C1A1_3 | buzwarn, warning, unauthorized, biological, forms, detected, in, coolant, maintenance, area | Warning. Unauthorized biological forms detected in Coolant Maintenance Area. |
C1A1_4 | bizwarn (3x), any, damage, control, team, to, sector, c, immediately | Any Damage Control Team to Sector C immediately. |
C1A1_5 | buzwarn, warning, sector, c, elevator, failure, do, not, use | Warning. Sector C elevator failure. Do not use. |
C1A1_6 | bizwarn (3x), biohazard, warning, in, sector, b, and, c | Biohazard warning in Sector B and C. |
C1A1_7 | buzwarn, attention, sector, c, science, personnel, evacuate, area, immediately | Attention. Sector C science personnel, evacuate area immediately. |
C1A1_8 | buzwarn, warning, flooding, detected, on, sub, level, 3, sector, b | Warning. Flooding detected on Sub-Level 3, Sector B. |
C1A1_9 | bizwarn (3x), warning, anomalous, energy, field, detected, in, administration, center | Warning. Anomalous energy field detected in Administration Center. |
C1A1_10 | deeoo (2x), attention, any, sector, c, science, personnel, please, report, status | Attention. Any Sector C science personnel, please report status. |
C1A1_11 | deeoo (2x), attention, sector, c, science, personnel, please, report, status, immediately | Attention. Sector C science personnel, please report status immediately. |
Administration Center (Unused)
| Sentence name | Filename(s) | Quote |
C1A2_0 | deeoo, emergency, cleanup, team, to, biological, waste, processing, plant | Emergency clean-up team to Biological Waste Processing Plant. |
C1A2_1 | buzwarn (2x), attention, administration, personnel, evacuate, sector, d, immediately | Attention. Administration personnel, evacuate Sector D immediately. |
C1A2_2 | deeoo (2x), attention, security, personnel, to, sector, d | Attention. Security personnel to Sector D. |
C1A2_3 | deeoo, service, team, check, elevator, one, sector, c | Service team, check Elevator 1, Sector C. |
C1A2_4 | buzwarn (2x), warning, unauthorized, biological, forms, detected, in, ventillation (sic), system | Warning. Unauthorized biological forms detected in ventilation system. |
C1A2_5 | deeoo, lieutenant, backman, and, cleanup, team, to, sub, level, 3 | Lieutenant Backman and clean-up team to Sub-Level 3. |
C1A2_6 | bizwarn (3x), danger, turret, defense, systems, activated, sector, d | Danger. Turret defense systems activated, Sector D. |
C1A2_7 | deeoo (2x), security, officer, reports, men, down, in, sector, d, medical, help, required | Security officer reports men down in Sector D, medical help required. |
C1A2_8 | bizwarn (3x), extreme, danger, all, turret, defense, systems, activated, sector, d | Extreme danger, all turret defense systems activated, Sector D. |
C1A2_9 | deeoo, turret, repair, personnel, to, high, security, materials, storage, area | Turret repair personnel to High Security Materials Storage Area. |
C1A2_10 | deeoo (2x), attention, electric, shock, hazard, detected, in, administration, center | Attention. Electric shock hazard detected in Administration Center. |
C1A2_11 | buzwarn (2x), security, officer, reports, medical, emergency, administration, center | Security officer reports medical emergency, Administration Center. |
High Security Materials Storage Area
Announcements with numbers after the "C1A3_" prefix are chosen at random and play every few minutes.| Sentence name | Filename(s) | Quote |
C1A3_0 | buzwarn (2x), attention, all, science, personnel, report, topside, for, immediate, questioning | Attention. All science personnel, report topside for immediate questioning. |
C1A3_1 | buzwarn (2x), all, personnel, evacuate, high, security, materials, storage, facility | All personnel evacuate High Security Materials Storage Facility. |
C1A3_2 | bizwarn (2x), emergency, uranium, containment, team, to, sector, d | Emergency Uranium Containment Team to Sector D. |
C1A3_3 | deeoo, turret, maintenance, team, to, central, command, and, communication, center | Turret maintenance team to Central Command and Communication Center. |
C1A3_4 | buzwarn (2x), military, personnel, prosecute, kilo, india, lima, with, extreme, force | Military personnel, prosecute Kilo-India-Lima with extreme force. |
C1A3_5 | bizwarn (3x), attention, this, announcement, system, now, under, military, command | Attention. This announcement system now under military command. |
C1A3_6 | buzwarn (2x), search, and, destroy, force, bravo, reports, secondary, objective, terminated | Search and Destroy Force Bravo reports secondary objective terminated. |
C1A3_7 | buzwarn (2x), bravo, force, reports, hotel, sierra, mike, facility, is, secured | Bravo Force reports Hotel-Sierra-Mike facility is secured. |
C1A3_8 | bizwarn (2x), attention, all, military, personnel, atomic, biological, chemical, alert | Attention. All military personnel, atomic biological chemical alert. |
C1A3_9 | bizwarn (2x), attention, all, military, personnel, extreme, atomic, biological, chemical, alert | Attention. All military personnel, extreme atomic biological chemical alert. |
C1A3_10 | bizwarn (3x), attention, black, mesa, announcement, system, now, under, military, command | Attention. Black Mesa Announcement System now under military command. |
C1A3_warn | buzwarn (2x), attention, security, lockout, alert, security, door, will, engage | Attention. Security lockout alert. Security door will engage. (Unused) |
C1A3_lock | bizwarn (2x), security, door, engaged, five, buzwarn, four, buzwarn, three, buzwarn, two, buzwarn, one, buzwarn, lockout, activated | Security door engaged. Five. Four. Three. Two. One. Lockout activated. (Unused) |
Experimental Propulsion Laboratory (Unused)
| Sentence name | Filename(s) | Quote |
C1A4_0 | buzwarn (2x), attention, experimental, rocket, test, fire, disengaged | Attention. Experimental rocket test fire disengaged. |
C1A4_1 | deeoo, repair, crew, report, to, track, control, sector, e | Repair crew, report to Track Control, Sector E. |
C1A4_2 | deeoo, maintenance, team, blue, check, heat, exchange, coolant, level | Maintenance Team Blue, check heat exchange coolant level. |
C1A4_3 | deeoo, maintenance, team, green, check, voltage, on, cable, seven, two, nine | Maintenance Team Green, check voltage on Cable 729. |
C1A4_4 | buzwarn (2x), medical, team, to, materials, storage, facility, team, bravo, reports, men, down | Medical Team to Materials Storage Facility, Team Bravo reports men down. |
C1A4_5 | buzwarn (2x), alpha, force, move, out, science, personnel, resistance, extreme | Alpha Force move out, science personnel resistance extreme. |
C1A4_6 | buzwarn (2x), attention, all, black, mesa, security, personnel, wanted, for, immediate, questioning | Attention. All Black Mesa security personnel wanted for immediate questioning. |
C1A4_7 | buzwarn (2x), attention, gordon, freeman, report, to, military, personnel, for, immediate, security, check | Attention. Gordon Freeman, report to military personnel for immediate security check. |
C1A4_8 | buzwarn (2x), warning, hostile, biological, forms, detected, in, track, control, sector, e | Warning. Hostile biological forms detected in Track Control, Sector E. |
FUEL_OFF | fuel, and, power, must, be, engaged, to, activate, rocket, test, fire | Fuel and power must be engaged to activate rocket test fire. |
Track Control
| Sentence name | Filename(s) | Quote |
C2A1_0 | buzwarn (2x), warning, track, power, failure, check, lower, level, power, plant | Warning. Track power failure. Check lower level power plant. (Unused) |
C2A1_1 | deeoo, maintenance, team, yellow, please, service, relay, three, hundred, ninety, four | Maintenance Team Yellow, please service Relay 394. (Unused) |
C2A1_2 | dadeda, attention, gordon, freeman, report, to, military, personnel, for, immediate, security, check | Attention. Gordon Freeman, report to military personnel for immediate security check. (Unused) |
C2A1_3 | buzwarn (2x), delta, team, reports, launch, control, secured | Delta Team reports Launch Control secured. (Unused) |
C2A1_4 | bizwarn (3x), danger, turret, defense, systems, activated, silo, e | Danger. Turret defense systems activated, Silo E. (Unused) |
C2A1_5 | deeoo, sector, e, track, control, please, report, status | Sector E Track Control, please report status. (Unused) |
C2A1_6 | buzwarn (2x), echo, force, reports, perimeter, breach, sector, e | Echo Force reports perimeter breach, Sector E. (Unused) |
C2A1_7 | buzwarn (2x), attention, search, and, destroy, force, go, to, code, three, eliminate, all, biological, forms | Attention. Search and Destroy Force go to Code 3. Eliminate all biological forms. (Unused) |
C2A1_8 | bizwarn, danger, unauthorized, detonation, detected, in, experimental, propulsion, laboratory | Danger. Unauthorized detonation detected in Experimental Propulsion Laboratory. (Unused) |
POWER_OFF | buzwarn, main, power, is, not, on | Main power is not on. (Heard at the Gargantua scene if the tram is approached before power is restored. In the PS2 version, this cannot be heard due to a gate blocking the tram area.) |
POWER_ON | deeoo, main, power, is, on | Main power is on. (Unused) |
High Altitude Launch Center (Unused)
| Sentence name | Filename(s) | Quote |
C2A2_0 | buzwarn (2x), attention, clear, silo, e, launch, area, immediately | Attention. Clear Silo E launch area immediately. |
C2A2_1 | deeoo, containment, inspection, team, to, advanced, biological, research, laboratory | Containment Inspection Team to Advanced Biological Research Laboratory. |
C2A2_2 | buzwarn (2x), medical, team, to, sector, e, echo, team, has, men, down | Medical team to Sector E, Echo Team has men down. |
C2A2_3 | buzwarn (2x), alert, military, personnel, authorized, to, prosecute, gordon, freeman, with, extreme, force | Alert. Military personnel, authorized to prosecute Gordon Freeman with extreme force. |
C2A2_3 | buzwarn (2x), alert, military, personnel, you, are, authorized, to, shoot, the, renegade, on, sight | Alert. Military personnel, you are authorized to shoot the renegade on sight. |
C2A2_4 | buzwarn (2x), alert, squad, in, silo, e, freeman, may, be, operating, inside, your, perimeter | Alert. Squad in Silo E, Freeman may be operating inside your perimeter. |
C2A2_5 | deeoo (2x), launch, control, train, activity, detected | Launch Control train activity detected. |
C2A2_6 | buzwarn (2x), medical, team, to, sector, e, echo, team, squad, failed, to, reach, checkpoint | Medical team to Sector E, Echo Team squad failed to reach checkpoint. |
C2A2_7 | deeoo (2x), satellite, rocket, loading, bay, reports, status, green | Satellite Rocket Loading Bay reports status green. |
C2A2_launch | deeoo (3x), satellite, launch, system, activated, five, deeoo, four, deeoo, three, deeoo, two, deeoo, one, deeoo, launch, is, go | Satellite launch system activated. Five. Four. Three. Two. One. Launch is go. |
Biological Waste Processing Plant and Advanced Biological Research Lab (Unused)
| Sentence name | Filename(s) | Quote |
C2A4_0 | buzwarn (2x), warning, emergency, containment, system, activated | Warning. Emergency containment system activated. |
C2A4_1 | bizwarn (2x), alert, biological, containment, breach, detected | Alert. Biological containment breach detected. |
C2A4_2 | bizwarn (2x), warning, biological, sterilization, system, activated | Warning. Biological sterilization system activated. |
C2A4_3 | buzwarn (2x), attention, hostile, alien, military, force, detected, advanced, biological, research, laboratory | Attention. Hostile alien military force detected, Advanced Biological Research Laboratory. |
C2A4_4 | buzwarn (2x), search, and, destroy, force, reports, back, up, required, engaged, with, extreme, resistance | Search and Destroy Force reports backup required, engaged with extreme resistance. |
C2A4_5 | buzwarn (2x), topside, containment, force, alert, hostile, alien, military, force, detected | Topside Containment Force alert, hostile alien military force detected. |
C2A4_6 | deeoo (2x), high, power, laser, status, is, green | High Power Laser status is green. |
C2A4_7 | bizwarn (2x), alien, containment, system, failure, use, sterilization, chamber | Alien containment system failure, use sterilization chamber. |
C2A4_8 | bizwarn (2x), attention, all, topside, military, personnel, clear, helicopter, hangar, four | Attention. All topside military personnel, clear Helicopter Hangar 4. |
C2A4_9 | bizwarn (2x), hostile, alien, breach, topside, checkpoint, alpha, checkpoint, delta | Hostile alien breach, Topside Checkpoint Alpha, Checkpoint Delta. |
C2A4_10 | buzwarn (2x), alert, topside, containment, force, use, any, force, to, prosecute, gordon, freeman, you, are, authorized, to, shoot, on, sight | Alert. Topside Containment Force, use any force to prosecute Gordon Freeman. You are authorized to shoot on sight. |
C2A4_11 | buzwarn (2x), alert, topside, containment, force, freeman, may, approach, your, perimeter | Alert. Topside Containment Force, Freeman may approach your perimeter. |
C2A4_12 | gordon, all, science, personnel, will, be, terminated, until, you, surrender | Gordon, all science personnel will be terminated until you surrender. (in the "sentences.txt" of Half-Life: Day One, "C3A2_2" is an alternate version of this sentence) |
C2A4_ster | bizwarn (2x), sterilization, system, activated | Sterilization system activated. |
Central Command and Communication Center (Unused)
This area does not appear in the game.| Sentence name | Filename(s) | Quote |
C3A1_0 | buzwarn (2x), warning, primary, antenna, failure, detected | Warning. Primary Antenna failure detected. |
C3A1_1 | buzwarn (2x), clear, topside, motorpool, for, emergency, medical, helicopter | Clear Topside Motorpool for emergency medical helicopter. |
C3A1_2 | buzwarn (2x), warning, topside, armory, security, bypass, detected, | Warning. Topside Armory security bypass detected. |
C3A1_3 | bizwarn (2x), warning, radiation, leak, detected, in, primary, antenna, area | Warning. Radiation leak detected in Primary Antenna area. |
C3A1_4 | buzwarn (2x), search, and, destroy, force, kilo, central, command, reports, hostile, alien, force, inside, perimeter | Search and Destroy Force Kilo, Central Command reports hostile alien force inside perimeter. |
C3A1_5 | buzwarn (2x), message, for, gordon, freeman, you, will, not, escape, this, time | Message for Gordon Freeman, you will not escape this time. |
C3A1_6 | buzwarn (2x), attention, all, units, renegade, freeman, is, now, your, primary, target | Attention. All units, renegade Freeman is now your primary target. (The word "Unit" doesn't exist in the sound files, it was roughly recreated for the wiki.) |
C3A1_7 | buzwarn (2x), alert, remaining, containment, force, freeman, may, have, experimental, weapon | Alert. Remaining Containment Force, Freeman may have experimental weapon. |
C3A1_8 | buzwarn (2x), all, personnel, evacuate, lambda, complex, extreme, dimensional, malfunction, detected | All personnel evacuate Lambda Complex, extreme dimensional malfunction detected. |
C3A1_9 | bizwarn (2x), fire, control, team, to, topside, armory, checkpoint, delta, topside, hydro, plant | Fire Control Team to Topside Armory, Checkpoint Delta, Topside Hydro Plant. |
Lambda Reactor Coolant System
Heard in the hub of the Lambda Reactor Coolant System of Sector F's Lambda Reactor Complex.sentences.txt also mentions as a location the unidentified Radioactive Materials Handling Bay, also mentioned in a message heard in Sector C before the incident.| Sentence name | Filename(s) | Quote |
C3A2_0 | bizwarn (2x), warning, cross, dimensional, power, field, activity, detected | Warning. Cross-dimensional power field activity detected. |
C3A2_1 | bizwarn (2x), warning, unauthorized, biological, force, detected, in, cross, dimensional, power, field | Warning. Unauthorized biological force detected in cross-dimensional power field. |
C3A2_2 | buzwarn (2x), all, personnel, evacuate, lambda, complex, extreme, dimensional, malfunction, detected | All personnel evacuate Lambda Complex, extreme dimensional malfunction detected. (Same as "C3A1_8") |
C3A2_2 (Day One) | buzwarn (2x), gordon, all, science, personnel, will, be, terminated, until, you, evacuate, that, area | Gordon, all science personnel will be terminated until you evacuate that area. (An alternate version of "C2A4_12", this sentence is found instead of the final one in the "sentences.txt" of Half-Life: Day One) |
C3A2_3 | bizwarn (3x), unauthorized, activity, detected, in, main, reactor, core, | Unauthorized activity detected in Main Reactor Core. |
C3A2_4 | bizwarn (2x), danger, high, energy, exchange, detected, in, radioactive, materials, handling, bay | Danger. High energy exchange detected in Radioactive Materials Handling Bay. |
C3A2_5 | bizwarn (2x), biological, force, detected, in, primary, coolant, system | Biological force detected in Primary Coolant System. |
C3A2_6 | bizwarn (2x), lambda, complex, reports, dimensional, contamination | Lambda Complex reports dimensional contamination. |
C3A2_7 | bizwarn (2x), lambda, complex, reports, dimensional, containment, system, failure | Lambda Complex reports dimensional containment system failure. |
Lambda Reactor Complex (Unused)
| Sentence name | Filename(s) | Quote |
C3A2_target | bloop (2x), satellite, target, system, engaged | Satellite target system engaged. |
C3A2_portal | bizwarn (3x), warning, cross, dimensional, portal, device, power, level, is, one, hundred, twenty, percent | Warning. Cross-Dimensional Portal Device power level is 120%. |
C3A2_core | bizwarn (3x), attention, lambda, complex, personnel, primary, core, activated | Attention. Lambda Complex personnel, Primary Core activated. |
Other areas
Sentence prefix "C2A3" is featured insentences.txt and presents the related areas as "silent", i.e. without any planned announcements. The areas include the unknown Observation Tank 1 mentioned in a message heard in Sector C before the incident and the cryogenic facility visited in the unnamed industrial area set between the Materials Transport and the Biological Waste Processing Plant.Another prefix, "C2A5", presents the following silent topside areas: the unknown Tactical Operations Center mentioned in a message heard in Sector C before the incident, the Topside Motorpool and its Topside Armory, barracks and hangars, the Topside Hydro Plant, and the unknown Topside Checkpoints Alpha (to be mentioned in the Advanced Biological Research Lab), Bravo (mentioned in Sector C) and Delta (to be mentioned in the Advanced Biological Research Lab and Central Command and Communication Center). These unknown locations either still appear in-game in some form albeit without being clearly identified or were simply cut.
Half-Life: Opposing Force
Location:sound/vox/Black Mesa Medical Lab
The sentence names are the same as those used in the first part of the Anomalous Materials Test Labs and Control Facilities in Half-Life.| Sentence name | Filename(s) | Quote |
C1A0_0 | bloop, immediate, medical, attention, required, in, sector, twenty, seven | Immediate medical attention required in Sector 27. |
C1A0_1 | doop, operations, personnel, report, to, emergency, control, zone, for, contamination, cleanup, alpha, seven, access, required | Operations personnel, report to Emergency Control Zone for contamination clean-up, Alpha 7 access required. |
C1A0_2 | attention, supply, team, required, in, lower, maintenance, chamber, sub, sector, b | Attention. Supply Team required in Lower Maintenance Chamber Sub-Sector B. |
C1A0_3 | doop, security, breach, detected, in, silo, thirty, two | Security breach detected in Silo 32. |
C1A0_4 | warning, extreme, radiation, leak, detected, in, reactor, core, eight, time, to, reach, minimum, safe, distance, fourteen, minutes | Warning. Extreme radiation leak detected in Reactor Core 8. Time to reach minimum safe distance: 14 minutes. |
C1A0_5 | dadeda, doctor, guthrie, report, to, inspection, lab, six, immediately | Dr. Guthrie, report to Inspection Laboratory 6 immediately. |
C1A0_6 | attention, doctor, freeman, report, to, research, administration, center, for, questioning | Attention. Dr. Freeman, report to Research Administration Center for questioning. |
C1A0_7 | deeoo, remaining, science, personnel, report, to, medical, lab, six, for, radiation, exposure, inspection | Remaining science personnel, report to Medical Laboratory 6 for radiation exposure inspection. |
C1A0_8 | warning, severe, damage, detected, in, ventillation (sic), systems, under, research, lab, two, evacuate, area, immediately | Warning. Severe damage detected in ventilation systems under Research Laboratory 2, evacuate area immediately. |
Half-Life: Blue Shift
Location:sound/vox/Sector G Main Access Lift
Heard at the start of the game, when the elevator fails.| Sentence name | Filename(s) | Quote |
VOX_ELEV1 | deeoo, warning, main, power, failure, in, levels, 3, 5, and, 8, deeoo | Warning. Main power failure in Levels 3, 5 and 8. |
VOX_ELEV2 | deeoo, warning, extreme, electromagnetic, field, hazard, in, sector, c, deeoo | Warning. Extreme electromagnetic field hazard in Sector C. |
Half-Life: Decay
Location:sound/vox/Anomalous Materials Operations Center
| Sentence name | Filename(s) | Quote |
HT01_0 | deeoo, attention, doctor, freeman, report, to, anomalous, materials, laboratory | Attention. Dr. Freeman, report to Anomalous Materials laboratory. |
HT01_1 | deeoo, doctor, cross, and, doctor, green, you, are, required, in, the, anomalous, materials, operations, center | Dr. Cross and Dr. Green, you are required in the Anomalous Materials Operations Center. |
HT01_2 | deeoo, all, security, personnel, check, clearance, with, inspector, white | All security personnel, check clearance with Inspector White. |
HT01_3 | deeoo, attention, science, team, decontamination, required, in, anomalous, materials, laboratory | Attention. Science Team, decontamination required in Anomalous Materials laboratory. |
HT01_4 | dadeda, attention, topside, leave, has, not, been, authorized, with, administration | Attention. Topside leave has not been authorized with administration. |
HT01_5 | buzwarn (2x), warning, do, not, deactivate, containment, field, systems | Warning. Do not deactivate containment field systems. ("deactivate" was specially made for Decay from the Half-Life file "deactivated") |
HT01_6 | bloop, announcement, topside, satellite, communication, dish, has, been, disengaged | Announcement. Topside satellite communication dish has been disengaged. |
HT01_7 | dadeda, laser, containment, system, access, is, forbidden, to, inspection, personnel | Laser containment system access is forbidden to inspection personnel. |
HT01_8 | bloop, announcement, waste, disposal, control, will, proceed, at, one, thirty, five | Announcement. Waste disposal control will proceed at 1:35. |
HT01_9 | dadeda, anomalous, materials, test, not, open, to, unauthorized, personnel | Anomalous Materials test not open to unauthorized personnel. |
Training Facility
| Sentence name | Filename(s) | Quote |
| N/A | security, breach, detected | Security breach detected. (Plays if anyone is in the Secure Access Corridor while the override is inactive.) |
| N/A | security, override, activated | Security override activated. (Plays when the "Security Override" button is pressed and the control room door shuts.) |
| N/A | security, override, deactivated | Security override deactivated. (Plays when the security override ends and the control room door re-opens.) |
| N/A | secure, access, corridor, disengaged | Secure access corridor disengaged. (Plays when the lever disabling the Secure Access Corridor's turrets is pulled.) |
Level 3 Dormitories
Some announcements have a lower pitch, not reproduced here.| Sentence name | Filename(s) | Quote |
HT05_0 | buzwarn (2x), attention, all, science, personnel, evacuate, level, three, immediately | Attention. All science personnel evacuate Level 3 immediately. |
HT05_1 | bizwarn (3x), attention, this, announcement, system, now, under, military, command | Attention. This announcement system now under military command. (Same as "C1A3_5") |
HT05_2 | bizwarn (3x), attention, black, mesa, announcement, system, now, under, military, command | Attention. Black Mesa Announcement System now under military command. (Same as "C1A3_10") |
HT05_3 | bizwarn (3x), attention, science, team, report, to, nearest, security, checkpoint, immediately | Attention. Science Team, report to nearest security checkpoint immediately. |
HT05_4 | bizwarn (2x), attention, all, military, personnel, intruder, detected, in, level, three | Attention. All military personnel, intruder detected in Level 3. |
HT05_5 | buzwarn (2x), attention, all, science, personnel, report, to, north, transportation, platform, immediately | Attention. All science personnel, report to north transportation platform immediately. |
HT05_6 | buzwarn (2x), warning, unauthorized, biological, forms, detected, in, ventillation (sic), system | Warning. Unauthorized biological forms detected in ventilation system. (Same as "C1A2_4") |
HT05_7 | buzwarn (2x), charlie, team, reports, bravo, foxtrot, johnson, facility, is, secured | Charlie Team reports Bravo-Foxtrot-Johnson facility is secured. |
HT05_8 | buzwarn (2x), search, and, destroy, squad, alpha, reports, secondary, objective, terminated | Search and Destroy Squad Alpha, reports secondary objective terminated. |
General access
These are heard when Gina and Colette access or try to access specific areas.| Sentence name | Filename(s) | Quote |
CROSSDOOR | doctor, cross, access, granted | Dr. Cross, access granted. (Heard when Gina passes the sample storage area gate in the Anomalous Materials Operations Center and passes the Level 3 Dormitories entrance.) |
GREENDOOR | doctor, green, access, granted | Dr. Green, access granted. (Heard when Colette passes the test chamber gate in the Anomalous Materials Operations Center and passes the Level 3 Dormitories entrance.) |
GREENDOOR2 | doctor, green, access, denied | Dr. Green, access denied. (Heard if Colette tries to pass the sample storage area gate in the Anomalous Materials Operations Center.) |
General announcements
Location:sound/vox/Most appear only in Half-Life, although the majority is never used.
Countdown (Unused)
| Sentence name | Filename(s) | Quote |
CTR20 | twenty, seconds, remaining | Twenty seconds remaining. |
CTR19 | nineteen | Nineteen. |
CTR18 | eighteen | Eighteen. |
CTR17 | seventeen | Seventeen. |
CTR16 | sixteen | Sixteen. |
CTR15 | fifteen, seconds, remaining | Fifteen seconds remaining. |
CTR14 | fourteen | Fourteen. |
CTR13 | thirteen | Thirteen. |
CTR12 | twelve | Twelve. |
CTR11 | eleven | Eleven. |
CTR10 | ten, seconds, remaining | Ten seconds remaining. |
CTR9 | nine | Nine. |
CTR8 | eight | Eeight. |
CTR7 | seven | Seven. |
CTR6 | six | Six. |
CTR5 | five, seconds, remaining | Five seconds remaining. |
CTR4 | four | Four. |
CTR3 | three, seconds | Three seconds. |
CTR2 | two | Two. |
CTR1 | one, second | One second. |
CTR0 | zero | Zero. |
Dangers (Unused)
Biohazard danger
| Sentence name | Filename(s) | Quote |
DB0 | danger, liquid, biohazard, leak, in, immediate, area | Danger. Liquid biohazard leak in immediate area. |
DB1 | danger, coolant, leak, severe, biohazard, now, in, this, area | Danger. Coolant leak. Severe biohazard now in this area. |
DB2 | danger, liquid, biohazard, released, evacuate, area | Danger. Liquid biohazard released. Evacuate area. |
DB3 | danger, biohazard, detected, in, immediate, area | Danger. Biohazard detected in immediate area. |
Chemical danger
| Sentence name | Filename(s) | Quote |
DC0 | danger, chemical, leak, area, now, a, high, health, hazard | Danger. Chemical leak. Area now a high health hazard. |
DC1 | danger, chemical, coolant, leak, health, hazard, zone | Danger. Chemical coolant leak. Health hazard zone. |
DC2 | danger, chemical, containment, breach, all, personnel, evacuate, this, area | Danger. Chemical containment breach. All personnel evacuate this area. |
DC3 | danger, supercooled, chemical, leak | Danger. Supercooled chemical leak. |
DC4 | danger, supercooled, helium, leak | Danger. Supercooled helium leak. |
Radiation danger
| Sentence name | Filename(s) | Quote |
DR0 | danger, radiation, leak, detected | Danger. Radiation leak detected. |
DR1 | danger, radiation, hazard, detected | Danger. Radiation hazard detected. |
DR2 | danger, high, radiation, level, detected | Danger. High radiation level detected. |
DR3 | danger, severe, radiation, hazard, evacuate, area, immediately | Danger. Severe radiation hazard. Evacuate area immediately. |
DR4 | danger, safety, violation, extreme, radiation, level, detected | Danger. Safety violation. Extreme radiation level detected. |
Doors
Access denied
Used when the player repeatedly attempts to open the door leading to the Transit System at the very end of the Hazard Course without asking a security guard (in Half-Life) or Rosenberg (in Decay) to do it as required by the course.| Sentence name | Filename(s) | Quote |
NA0 | access, denied | Access denied. |
NA1 | access, is, denied | Access is denied. |
NA2 | unauthorized, access | Unauthorized access. (reused for sentence "NA5") |
NA3 | Illegal access | Illegal access. |
NA4 | this, door, is, locked | This door is locked. |
NA6 | entry, forbidden | Entry forbidden. |
NA7 | entry, not, permitted | Entry not permitted. |
NA8 | no, unauthorized, personnel | No unauthorized personnel. |
NA9 | you, do, not, have, access, to, this, facility | You do not have access to this facility. |
NA10 | sorry, you, may, not, enter | Sorry, you may not enter. |
NA11 | sorry, this, door, is, locked | Sorry, this door is locked. |
NA12 | please, move, away, from, this, area | Please, move away from this area. |
NA13 | please, move, away, from, door | Please, move away from door. |
NA14 | you, will, not, get, in | You will not get in. |
NA15 | entry, is, not, an, option | Entry is not an option. |
NA16 | will, we, do, this, all, day | Will we do this all day? |
NA17 | move, on, immediately | Move on immediately. |
NA18 | No, no, and, no | No, no, and no. (In-game, the last "no" is pitched to a lower pitch, roughly remade for the wiki) |
Access granted (Unused)
| Sentence name | Filename(s) | Quote |
EA0, EA8 | access, granted | Access granted. |
EA1 | access, permitted | Access permitted. |
EA2 | entry, granted | Entry granted. |
EA3 | entry, permitted | Entry permitted. |
EA4, EA6 | access, authorized | Access authorized. |
EA5 | entry, is, permitted | Entry is permitted. |
EA7 | access, to, facility, granted | Access to facility granted. |
Blast door
| Sentence name | Filename(s) | Quote |
NF0 | emergency, blast, door, activated | Emergency blast door activated. (Near Sector E's Launch Control, if touching the exit door before or after launching the rocket.) |
NF1 | emergency, blast, shield, activated | Emergency blast shield activated. (Near Sector E's Launch Control, if touching the exit door before or after launching the rocket.) |
NF3 | the, blast, containment, shield, is, down | The blast containment shield is down. (Unused) |
EF0 | emergency, blast, door, open | Emergency blast door open. (Unused) |
EF1 | emergency, blast, shield, deactivated | Emergency blast shield deactivated. (Unused) |
EF3 | blast, containment, shield, is, open | Blast containment shield is open. (Unused) |
Broken locked door
Heard upon trying to open the door to Supply B-301 located behind debris in Level A of Sector F's Lambda Reactor Core.| Sentence name | Filename(s) | Quote |
NG0 | sorry, this, door, is, inoperative | Sorry, this door is inoperative. |
NG1 | sorry, door, out, of, service | Sorry, door out of service. |
NG2 | door, damage, detected, please, call, service, personnel | Door damage detected. Please call service personnel. |
Chemical door (Unused)
| Sentence name | Filename(s) | Quote |
NCHEM0 | chemical, leak, containment, door, activated | Chemical leak containment door activated. |
ECHEM0 | chemical, leak, containment, door, open | Chemical leak containment door open. |
Fire door
| Sentence name | Filename(s) | Quote |
NFIRE0 | fire, containment, door, is, down | Fire containment door is down. (Used in Sector D's High Security Materials Storage Area) |
EFIRE0 | fire, containment, door, open | Fire containment door open. (Unused) |
Generic containment door
| Sentence name | Filename(s) | Quote |
NCON0 | emergency, containment, door, engaged | Emergency containment door engaged. (Heard at the containment door in the outdoor area before taking the elevator to the Black Mesa Central Complex) |
ECON0 | emergency, containment, door, disengaged | Emergency containment door disengaged. (Unused) |
Maintenance door (Unused)
| Sentence name | Filename(s) | Quote |
NH0 | no, access, maintenance, area | No access. Maintenance area. |
NH1 | no, personnel, permitted, in, maintenance, area | No personnel permitted in maintenance area. |
EH0 | maintenance, area, access, granted | Maintenance area access granted. |
EH1 | maintenance, area, door, open | Maintenance area door open. |
Radiation door (Unused)
| Sentence name | Filename(s) | Quote |
NRAD0 | radiation, containment, door, activated | Radiation containment door activated. |
ERAD0 | radiation, containment, door, open | Radiation containment door open. |
Security lockout mode (Unused)
| Sentence name | Filename(s) | Quote |
ND0 | security, lock, is, engaged | Security lock is engaged. |
ND1 | secure, area, no, entry | Secure area. No entry. |
ND2 | security, lockout, no, entry | Security lockout. No entry. |
ND3 | secure, door, no, entry | Secure door. No entry. |
ND4 | security, system, in, force | Security system in force. |
ND5 | security, system, armed, no, entry | Security system armed. No entry. |
ND6 | door, is, secured | Door is secured. |
ND7 | illegal, access, move, away | Illegal access. Move away. |
ED0 | security, lock, disengaged | Security lock disengaged. |
ED1 | security, clear, proceed | Security clear. Proceed. |
ED2 | security, lockout, released | Security lockout released. |
ED3 | secure, override, accepted | Secure override accepted. |
ED4 | security, access, acknowledged | Security access acknowledged. |
ED5 | security, system, disengaged | Security system disengaged. |
ED6 | door, security, disengaged | Door security disengaged. |
Turrets (Unused)
| Sentence name | Filename(s) | Quote |
T0 | extreme, hazard, defense, system, is, armed, in, this, zone | Extreme hazard defense system is armed in this zone. |
T1 | hazard, area, defense, system, activated | Hazard area defense system activated. |
T2 | danger, turret, perimeter, defense, system, armed | Danger. Turret perimeter defense system armed. |
T3 | extreme, hazard, nearest, defense, system, engaged | Extreme hazard. Nearest defense system engaged. |
T4 | danger, base, defense, turret, system, may, power, up | Danger. Base defense turret system may power up. |
T5 | danger, automatic, defense, system, activated | Danger. Automatic defense system activated. |
Warnings (Unused)
| Sentence name | Filename(s) | Quote |
WE0 | warning, high, voltage, cable | Warning. High voltage cable. |
WE1 | warning, high, power, cable | Warning. High power cable. |
WE2 | warning, electric, shock, hazard | Warning. Electric shock hazard. |
WE3 | warning, severe, electric, shock, hazard | Warning. Severe electric shock hazard. |
Notification sounds
Location:sound/vox/The various notification sounds starting the Black Mesa Announcement System's messages.
| Filename(s) | Quote |
bizwarn | "Bizwarn" sound |
bloop | "Bloop" sound |
buzwarn | "Buzwarn" sound |
dadeda | "Dadeda" sound |
deeoo | "Deeoo" sound |
doop | "Doop" sound |
woop | "Woop" sound (Unused) |
Other
Location: N/AOlder version of the voice from [https://valvearchive.com/archive/Half-Life/Half-Life/Other/Windows 98 Themes/theme1.zip an unofficial Half-Life Desktop Theme]. The sound files were provided by Valve.
| Filename(s) | Quote | Play |
author | Authorized. | File:Theme authorized.ogg |
unauthor | Unauthorized. | File:Theme unauthorized.ogg |