ALSA install
apt-get install alsa-base alsa-utils alsamixergui
/usr/share/alsa/alsa.conf
Short Descriptions
| aconnect | is a utility for connecting and disconnecting two existing ports in the ALSA sequencer system. |
| alsaloop | allows creation of a PCM loopback between a PCM capture device and a PCM playback device. |
| alsamixer | is an Ncurses based mixer program for use with the ALSA sound card drivers. |
| alsaucm | allows applications to access the hardware in an abstracted manner |
| amidi | is used to read from and write to ALSA RawMIDI ports. |
| amixer | allows command-line control of the mixers for the ALSA sound card drivers. |
| aplay | is a command-line soundfile player for the ALSA sound card drivers. |
| aplaymidi | is a command-line utility that plays the specified MIDI file(s) to one or more ALSA sequencer ports. |
| arecord | is a command-line soundfile recorder for the ALSA sound card drivers. |
| arecordmidi | is a command-line utility that records a standard MIDI file from one or more ALSA sequencer ports. |
| aseqdump | is a command-line utility that prints the sequencer events it receives as text. |
| aseqnet | is an ALSA sequencer client which sends and receives event packets over a network. |
| iecset | is a small utility to set or dump the IEC958 (or so-called “S/PDIF”) status bits of the specified sound card via the ALSA control API. |
| speaker-test | is a command-line speaker test tone generator for ALSA. |
thinkHW 