audiocfg(1) - NetBSD Manual Pages

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AUDIOCFG(1)             NetBSD General Commands Manual             AUDIOCFG(1)


NAME

     audiocfg -- configure default audio device


SYNOPSIS

     audiocfg list [index]
     audiocfg default index
     audiocfg set index direction encoding precision channels sample_rate
     audiocfg test index


DESCRIPTION

     The audiocfg utility helps maintaining the audio and mixer device sym-
     links.

     Run with ``list'', it lists the available audio devices and shows the
     currently selected default audio device.

     Run with ``set'', it sets the hardware format.  The direction is repre-
     sented by either of 'p' (playback) or 'r' (record), or both of them.
     This indicates the direction you want to set.  The remaining parameters
     encoding, precision, channels, and sample_rate indicate the hardware for-
     mat you want to set.  These parameters must be selected from the candi-
     dates displayed by audiocfg list.

     Called with ``test'', it plays a tone of 2 seconds for each channel of
     the device with the index index.  Called with ``default'', it sets the
     default audio device to the one with the index index.

     audiocfg needs access to /dev/drvctl and write access to /dev (when used
     with ``default'') to work.


FILES

     /dev/audio  Symlink to default audio device.

     /dev/audio[0-9]*
                 Available audio devices.

     /dev/audioctl
                 Symlink to default audio control device.

     /dev/audioctl[0-9]*
                 Available audio control devices.

     /dev/drvctl
                 Used for finding the corresponding audio driver to an audio
                 device.

     /dev/mixer  Symlink to default mixer device.

     /dev/mixer[0-9]*
                 Available mixer devices.

     /dev/sound  Symlink to default audio device (for the difference to
                 /dev/audio, see audio(4)).

     /dev/sound[0-9]*
                 Available audio devices.


SEE ALSO

     audioplay(1), audiorecord(1), audio(4), drvctl(8)

NetBSD 9.4                        May 8, 2019                       NetBSD 9.4