SolarOS 4.13.4 manual · app

arecord

Record a registered capture endpoint to a WAV file. The default is the first compatible input; -i selects a specific stream such as adc0.capture. This requires a registered input device, but not built-in board audio. With -d, recording stops after the specified number of seconds. Without -d, recording continues until app-exit, the storage fills, or the WAV size limit is reached. It can be launched from display, UART, USB CDC, Telnet, and other port shells.

Usage:

arecord [-d seconds] [-i capture-stream] file.wav

Controls:

• App-exit stops recording, finalizes the WAV header, and returns to the prompt.