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Is there any way to record the audio output on the raspberry pi from the command line? I have tried using arecord, but it says the Pi doesn't have any audio capture cards. I also want to be able to redirect the raw audio to stdout.

  • Could you post the exact command you are using and the exact error you are getting? That would help us a lot :) Also, check out this Ubuntu Forums post on how to record audio going to the speakers from the command-line. It should be somewhat if not totally compatible with the Raspberry Pi, as they are both debian-based. – RPiAwesomeness May 8 '14 at 23:09
  • As this is more of a linux than RPi specific question, you could ask it on superuser to get more attention and eyes on the problem – Jervelund May 10 '14 at 10:40
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You do not state that you require a software only solution, considering the cost and ease I would recommend a hardware solution.

The raspberry Pi does not have a microphone. Common solution is to purchase a cheap USB sound card with mic socket. I have one that works fine that cost under £10 from Amazon. Alternately there are extension boards that offer high fidelity for the Pi at the cost of using the GPIO pins and costing substantial more.

  • 1
    -1, the question explicitly asks for recording audio output, e.g. what you can hear when connecting speakers, not input. – LuWi May 8 '14 at 22:48

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