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.

CD

Compact disk.

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).