| No. | Item | Definition |
|---|---|---|
| 1. | absorption | sound energy taken in |
| 2. | acoustics | behavior of sound in spaces |
| 3. | aliasing | false frequencies from undersampling |
| 4. | attack | how fast processing begins |
| 5. | automation | recorded parameter changes |
| 6. | aux | secondary send path |
| 7. | balanced | noise-rejecting signal wiring |
| 8. | band-pass | passes one frequency band |
| 9. | bit depth | digital resolution per sample |
| 10. | bleed | unwanted sound leakage |
| 11. | bounce | render tracks into file |
| 12. | buffer | temporary audio data storage |
| 13. | bus | shared signal routing path |
| 14. | bypass | temporarily disable processing |
| 15. | channel | single signal path |
| 16. | chorus | effect thickening with detuning |
| 17. | clipping | distortion from excessive level |
| 18. | clock | timing reference for digital audio |
| 19. | codec | audio encoding and decoding method |
| 20. | compressor | reduces dynamic range |
| 21. | crossover | splits frequencies between drivers |
| 22. | cue | prepared monitoring feed |
| 23. | DAW | computer audio production software |
| 24. | dB | unit of level measurement |
| 25. | de-esser | reduces harsh sibilance |
| 26. | delay | echo effect over time |
| 27. | diffusion | scattering sound in many directions |
| 28. | distortion | altered sound from overload |
| 29. | dither | noise added to reduce errors |
| 30. | dynamic range | span from softest to loudest |
| 31. | EQ | tone balance adjustment |
| 32. | expander | increases dynamic range |
| 33. | fader | sliding level control |
| 34. | feedback | loop causing loud squeal |
| 35. | flanger | sweeping comb-filter effect |
| 36. | flutter echo | rapid repeated room reflections |
| 37. | frequency | pitch-related vibration rate |
| 38. | gain | amount of signal amplification |
| 39. | gate | mutes sound below threshold |
| 40. | ground | electrical reference connection |
| 41. | headroom | safety margin before clipping |
| 42. | high-pass | lets high frequencies through |
| 43. | hiss | high-frequency background noise |
| 44. | hum | low-frequency electrical noise |
| 45. | impedance | electrical opposition to signal |
| 46. | insert | inline effects connection point |
| 47. | interface | audio input-output hardware |
| 48. | jack | socket or plug connection |
| 49. | jitter | timing instability in digital audio |
| 50. | latency | delay through a system |
| 51. | limiter | prevents peaks exceeding threshold |
| 52. | low-pass | lets low frequencies through |
| 53. | LUFS | perceived loudness measurement unit |
| 54. | master | final production version |
| 55. | mic | device capturing sound |
| 56. | mix | combined audio balance |
| 57. | monitor | speaker for listening |
| 58. | mono | single-channel sound reproduction |
| 59. | mute | silence a channel |
| 60. | noise floor | background system noise level |
| 61. | notch | very narrow EQ cut |
| 62. | omnidirectional | picks up all directions |
| 63. | overdub | record additional parts later |
| 64. | pan | left-right placement control |
| 65. | peak | highest momentary level |
| 66. | phantom power | voltage for condenser microphones |
| 67. | phase | timing relationship between waves |
| 68. | pink noise | noise with balanced octaves |
| 69. | polarity | positive-negative signal orientation |
| 70. | preamp | boosts weak microphone signal |
| 71. | punch-in | start recording mid-track |
| 72. | punch-out | stop recording mid-track |
| 73. | Q | filter bandwidth setting |
| 74. | ratio | amount of compression applied |
| 75. | reflection | sound bouncing off surfaces |
| 76. | release | how fast processing ends |
| 77. | resonance | emphasized frequency ringing |
| 78. | return | signal coming back |
| 79. | reverb | simulated acoustic space |
| 80. | ribbon mic | microphone using thin ribbon |
| 81. | room tone | natural background room sound |
| 82. | sample rate | digital snapshots per second |
| 83. | send | signal routed elsewhere |
| 84. | session | project with all audio data |
| 85. | sine wave | pure single-frequency tone |
| 86. | spectrum | distribution of audio frequencies |
| 87. | SPL | sound pressure level |
| 88. | stem | submix of related parts |
| 89. | stereo | two-channel sound reproduction |
| 90. | take | one recorded performance attempt |
| 91. | talkback | engineer-to-performer communication system |
| 92. | threshold | level where processing starts |
| 93. | track | recorded audio channel |
| 94. | transient | brief sharp sound peak |
| 95. | TRS | three-conductor phone connector |
| 96. | TS | two-conductor phone connector |
| 97. | unbalanced | simpler wiring more noise-prone |
| 98. | waveform | visual shape of sound |
| 99. | white noise | noise with equal energy |
| 100. | XLR | locking balanced audio connector |