Audio Source

Acts as a microphone input. See Audio Sink for a block that outputs to a speaker.

Not all sampling rates will be supported by your hardware. The audio source can have multiple outputs depending upon your hardware. For example, set the outputs to 2 for stereo audio.

Parameters

 * Sample Rate
 * Audio sampling rate used, click the drop-down menu to see popular rates. Note, not all sampling rates will be supported by your hardware. For typical applications, this should be set to 48kHz.


 * Device Name
 * Leave the device name blank to choose default audio device. Other typical choices include:


 * 1) pulse
 * hw:0,0
 * 1) plughw:0,0
 * 2) surround51
 * 3) /dev/dsp
 * ALSA users with audio trouble may try setting the device name to plughw:0,0


 * OK to Block
 * On by default, which should be used when this sink is not throttled by any other block.