Microphone - external sound card noise suppression
9845
Realtime noise-removal with PulseAudio?
92931
Can I access internal microphone input level via Terminal?
61390
How do you remove noise to detect just the human voice?
149864
Controlling Volume Mixer
2459
How can you reduce ambient noise from servers?
41885
Recording the sound of my Mac
131104
What component to use for audio signal switching?
43149
Multi-output MIDI device disables volume control
112787
Do you know a simple sound booster app for Mac?
81210
Mono sound output in Ubuntu?
130646
How can I limit the headphone max volume on OS X?
92559
Drivers for headphones with in-line mic and remote control
90605
MacBook Pro (mid-2012) Microphone Input
20068
Internal microphone not working
42981
Will proprietary software-based sound enhancements work with Ubuntu? (BeatsAudio, Dolby)
79323
Maximum delay for effective active noise cancelling?
119810
How do I capture the audio that is being played?