Glossary

ADC
Analog Digital Converter. This converts an analog audio signal into a digital stream of samples.
ALSA
Advanced Linux Sound Architecture.
capture group
A mixer group that contains up to one volume, one mute, and one input selection element.
codec
Compression-Decompression module or Coder-Decoder.
DAC
Digital Analog Converter. This converts a digital stream of samples into an analog signal.
element
See mixer element.
group
See mixer group.
MIC
Microphone.
mixer element
A component of an audio mixer, with a single, discrete function.
mixer group
A collection or group of elements and associated control capabilities.
PCI
Peripheral Component Interconnect (personal computer bus).
PCM
Pulse Code Modulation. A technique for converting analog signals to a digital representation.
playback group
A mixer group that contains up to one volume element and one mute element.
QSA
QNX Sound Architecture.
SRC
Sample Rate Conversion.
subchannel
The collection of resources that a single connection to a client uses within a PCM device (playback or capture).

Last modified: 2013-12-21



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