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→查询 使用命令播放音频的方法
[[Image:Pi-5-details2-pic14.png]]<br><br>
=== 查询 使用命令播放音频的方法 The method of using commands to play audio ==='''1、耳机接口播放音频测试1.Headphone interface playback audio test'''<br><br>1) 首先将耳机插入开发板的耳机孔中First insert the earphone into the earphone jack of the development board<br><br>
[[Image:Pi-5-details2-pic15.png]]<br><br>
2) 然后可以通过 '''Then you can use the aplay -l''' 命令可以查看下 command to view the sound card devices supported by the linux 系统支持的声卡设备，从下面的输出可知，'''system. From the output below, we can see that card 2''' 为 is the sound card device of es8388 的声卡设备，也就是耳机的声卡设备, that is, the sound card device of the headset<br>
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<span style="color:#0066CC;">Subdevices: 1/1</span>
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3) 然后使用 '''Then use the aplay''' 命令播放下系统自带的音频文件，如果耳机能听到声音说明硬件能正常使用command to play the audio file that comes with the system. If the earphone can hear the sound, it means that the hardware can be used normally.<br>
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'''2、HDMI 音频播放测试2.HDMI audio playback test'''<br><br>1) 首先使用 First use the HDMI 转 to HDMI 线将 cable to connect the Orange Pi 开发板连接到电视机上（其他的 development board to the TV (other HDMI 显示器需要确保可以播放音频）monitors need to ensure that they can play audio)<br><br>2) 然后查看下 Then check the serial number of the HDMI 的声卡序号，从下面的输出可以知道 sound card. From the output below, you can know that the HDMI 的声卡为 '''sound card is card 1'''<br>
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card 2: rockchipes8388 [rockchip-es8388], device 0: dailink-multicodecs ES8323.6-0010-0 [dailink-multicodecs
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3) 然后使用 '''Then use the aplay''' 命令播放下系统自带的音频文件，如果 command to play the audio file that comes with the system. If the HDMI 显示器或者电视能听到声音说明硬件能正常使用monitor or TV can hear the sound, it means that the hardware can be used normally<br>
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