arecord with mutiple aplay

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Dear community,

 

I am currently working on streaming one input audio to multiple output speakers.

 

Here is the procedures:

 

mkfifo audio.wav

arecord -D “input device” audio.wav

aplay -D ”speaker1” audio.wav

aplay -D “speaker2” audio.wav

 

The problem is once I run the “aplay -D “speaker2” audio.wav”, the audio in two speakers becomes intermittent.

 

But there is no problem when I only play on speaker1.

 

Could anyone help me on this?

 

Thanks!

 

Best regards,

Hui

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