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→HDMI audio playback test
<li><p>First use the Micro HDMI to HDMI cable to connect the Orange Pi development board to the TV (other HDMI monitors need to ensure that they can play audio)</p></li>
<li><p>HDMI audio playback does not require other settings, just use the '''aplay''' command to play directly</p>
{| class="wikitable" style="width:800px;" |-| <p>root@orangepi:~# '''aplay -D hw:2,0 /usr/share/sounds/alsa/audio.wav'''</p>|}</li></ol>
<span id="testing-audio-methods-on-desktop-systems"></span>
=== Testing audio methods on desktop systems ===