Glossary

ADC
Analog Digital Converter. This converts analog audio signals 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.
CD
Compact disk.
codec
Compression-Decompression module.
DAC
Digital Analog Converter. This converts a digital stream of samples into analog signals.
MIC
Microphone.
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.
S/PDIF
Sony / Philips Digital InterFace. A hardware and protocol standard for the transmission of digital audio signals.
SRC
Sample Rate Conversion.