<html><body style="font-family: Helvetica,Arial,sans-serif; font-size: 12px;">I'm needing help to configure pulse audio to read from the mic array on the Matrix Creator One,<div><br></div><div>The following are the lists of devices, what creates the devices in /tmp here is the source that does it</div><div><span class="Apple-tab-span"> </span><a href="https://github.com/matrix-io/matrix-creator-malos/blob/1a09b776c5c762093a42b286457f06823ec46d78/src/driver_micarray_alsa.cpp">https://github.com/matrix-io/matrix-creator-malos/blob/1a09b776c5c762093a42b286457f06823ec46d78/src/driver_micarray_alsa.cpp</a></div><div><br></div><div><span class="Apple-tab-span"> </span>Essentially I can't get the mic_channel0-8 to input into Pulse Audio.</div><div>Input 8 is a combined microphone input with beam forming done on the FPGA chip.</div><div><br><div><br></div><div><p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;color:rgb(52,188,38);background-color:rgb(255,255,255);"><span><b>pi@MatrixRPi3</b></span><span style="color:#000000;">:</span><span style="color:#5230e1;"><b>~ $</b></span><span style="color:#000000;"> arecord -l</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>**** List of CAPTURE Hardware Devices ****</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>card 1: Dummy [Dummy], device 0: Dummy PCM [Dummy PCM]</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Subdevices: 7/8</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Subdevice #0: subdevice #0</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Subdevice #1: subdevice #1</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Subdevice #2: subdevice #2</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Subdevice #3: subdevice #3</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Subdevice #4: subdevice #4</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Subdevice #5: subdevice #5</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Subdevice #6: subdevice #6</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Subdevice #7: subdevice #7</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;color:rgb(52,188,38);background-color:rgb(255,255,255);"><span><b>pi@MatrixRPi3</b></span><span style="color:#000000;">:</span><span style="color:#5230e1;"><b>~ $</b></span><span style="color:#000000;"> arecord -L</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>null</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Discard all samples (playback) or generate zero samples (capture)</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>sc</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>mic_channel0</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>mic_channel1</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>mic_channel2</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>mic_channel3</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>mic_channel4</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>mic_channel5</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>mic_channel6</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>mic_channel7</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>mic_channel8</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>default</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Playback/recording through the PulseAudio sound server</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>snooped_digital</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>sysdefault:CARD=Dummy</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Dummy, Dummy PCM</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Default Audio Device</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>dmix:CARD=Dummy,DEV=0</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Dummy, Dummy PCM</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Direct sample mixing device</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>dsnoop:CARD=Dummy,DEV=0</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Dummy, Dummy PCM</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Direct sample snooping device</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>hw:CARD=Dummy,DEV=0</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Dummy, Dummy PCM</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Direct hardware device without any conversions</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span>plughw:CARD=Dummy,DEV=0</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Dummy, Dummy PCM</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);"><span> Hardware device with all software conversions</span></p> <p style="margin:0px;font-size:15px;line-height:normal;font-family:Menlo;color:rgb(52,188,38);background-color:rgb(255,255,255);"><span><b>pi@MatrixRPi3</b></span><span style="color:#000000;">:</span><span style="color:#5230e1;"><b>~ $</b></span></p></div></div></body></html>