tinycap - Man Page

tinycap [ file ] [ options ]

tinycap can record audio from an audio device to a wav file or standard output (as raw samples). Options can be used to specify various hardware parameters to open the PCM with.

-D card

Card number of the PCM. The default is 0.

-d device

Device number of the PCM. The default is 0.

-c channels

Number of channels the PCM will have. The default is 2.

-r rate

Number of frames per second of the PCM. The default is 48000.

-b bits

Number of bits per sample the PCM will have. The default is 32.

-p period_size

Number of frames in a period. The default is 1024.

-n periods

Number of periods the PCM will have. The default is 4.

-t seconds

Number of seconds to record audio.

When capturing audio, SIGINT will stop the recording and close the file.

tinycap output.wav

Records a file called output.wav until an interrupt signal is caught.

tinycap output.wav -D 1 -t 2

Records a file called output.wav from card 1 for two seconds or until an interrupt signal is caught.

tinycap -- -t 3

Records to standard output for three seconds or until an interrupt signal is caught.

Please report bugs to https://github.com/tinyalsa/tinyalsa/issues.

tinyplay(1), tinymix(1), tinypcminfo(1)

Simon Wilson

For a complete list of authors, visit the project page at https://github.com/tinyalsa/tinyalsa.

tinymix(1), tinypcminfo(1), tinyplay(1).