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Can anyone recommend the best way of recording audio input? Are there any "sound cards" for Raspberry Pis?

Edit: I've seen Linux software for ham radio. And see that Debian Wheezy has a whole lot of apps for radio. The problem is trying to code/decode the sound.

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if you do a search on here for Audio input, there are a number of ways you can get audio recorded to your raspberry Pi,

for example:

https://raspberrypi.stackexchange.com/search?q=audio+input

Suitable microphone for IO pins

Can I get audio input through the GPIO

or

USB microphone recording input and audio output

as an example of someone who is using a USB sound card.

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I use a USB sound card on my Raspberry Pi. I got a cheap one on ebay that has just one each input and output 3.5mm jack port.

1

I picked up a nice little USB sound card from Amazon for less than $2 US (Eastvita 7.1 Channel USB External Sound Card Audio Adapter)

Here is some help I got setting it as the default sound card

Best $2 I ever spent.

0

Saw the Wolfson audio card today. It looks like the kind of thing i wanted.

It has both stereo line in and line out.

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    Be aware that the Wolfson card will not work with the new B+ board. – Craig Aug 29 '14 at 17:12
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    However it is now over a year later and having been acquired by Cirrus Logic there is the new version for B+ and 2 Bs. – SlySven Jan 7 '16 at 4:50

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