General:
* Noise
* Tone
* Voice
* Music
* Acoustics
* Audio
* Sonic
* Auditory
* Aural
Specific types of sound:
* High-pitched: Shriek, squeal, whistle, chirp
* Low-pitched: Rumble, boom, growl, groan
* Loud: Roar, bang, crash, clatter
* Soft: Whisper, murmur, rustle, hum
* Pleasant: Melody, harmony, jingle, chime
* Unpleasant: Cacophony, din, racket, clamor
Words related to sound production:
* Create: Emit, produce, generate, make
* Record: Capture, preserve, document, archive
* Amplify: Enhance, boost, strengthen, intensify
* Modify: Alter, adjust, transform, manipulate
Figurative language:
* Echo: Reverberation, resonance, reflection
* Harmony: Concord, agreement, unity, balance
* Silence: Stillness, quiet, peace, tranquility
The best word to use depends on the specific meaning you want to convey.