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→Method of using commands to test recording
<p>[[File:media/image301.png|339x112px]]</p></li>
<li><p>Running the '''test_record.sh main''' command will record a piece of audio through the onboard MIC, and then play it to HDMI_TX1 and the headset.</p>
{| class="wikitable" style="width:800px;"
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<p>orangepi@orangepi:~$ '''test_record.sh main'''</p>
<p>Start recording: /tmp/test.wav</p>
<p>Start playing</p>
<p>Playing WAVE '/tmp/test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo</p>
<p>Playing WAVE '/tmp/test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo</p>|}</li>
<li><p>In addition to the onboard MIC, we can also record audio through headphones with MIC function. After inserting the headset with MIC function into the development board, run the '''test_record.sh headset''' command to record a piece of audio through the headset, and then play it to HDMI_TX1 and the headset.</p>
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<p>orangepi@orangepi:~$ '''test_record.sh headset'''</p>
<p>Start recording: /tmp/test.wav</p>
<p>Start playing</p>
<p>Playing WAVE '/tmp/test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo</p>
<p>Playing WAVE '/tmp/test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo</p>|}</li></ol>
<span id="temperature-sensor"></span>
== Temperature sensor ==
