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→How to test recording using commands
<ol style="list-style-type: decimal;">
<li><p>The Orange Pi CM4 development board does not have an onboard MIC, and audio can only be recorded through headphones with a MIC function. After inserting the headset with MIC function into the development board, run the following command to record an audio period through the headset.</p>
{| class="wikitable" style="width:800px;"
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<p>orangepi@orangepi:~$ '''amixer -c 0 cset name='Capture MIC Path' 'Main Mic''''</p>
<p>orangepi@orangepi:~$ '''arecord -D hw:0,0 -d 5 -f cd -t wav /tmp/test.wav'''</p>|}</li></ol>
<span id="temperature-sensor"></span>
== Temperature sensor ==
