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README.md: change speaker test instructions

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Daniel Fullmer 2021-03-11 14:57:26 -08:00
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README.md
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@ -126,9 +126,9 @@ Use `alsamixer` to ensure mic is active and unmuted.
$ ffmpeg -f alsa -ar 22050 -i hw:0,0 -acodec mp3 -f flv rtmp://192.168.1.200/live/pinecube
```
To play an audio file, first turn up the "Line Out" and "DAC" controls in alsamixer. Next run:
To test your sepaker, first turn up the "Line Out" and "DAC" controls in alsamixer. Next run:
```shell
$ aplay test.wav
$ speaker-test -c2 -t wav
``
You should be able to hear the audio being played via the speaker.