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For my project, I am looking for a way to take headphone audio signals (from TVs and other appliances), convert them into MP3 and send them over WiFi to a remote device (PC or other) using Arduino UNO and a Wifi Shield.

Any ideas as to a circuit design and required components that would achieve it?

Thanks!

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  • \$\begingroup\$ You're not likely going to be able to do this with an arduino - it's nowhere near fast enough to do mp3 encoding on the fly, and even if you could it is not likely possible you get it to the wifi card fast enough. \$\endgroup\$
    – alex.forencich
    Feb 18, 2015 at 10:40

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You can use a VS1063 to do on-the-fly conversion of audio to MP3. VLSI offer an eval board that you can hook up to a microcontroller, or even a toyduino, to configure and stream from the VS1063. The pro kit includes all the audio circuitry and connectors.

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I would suggest using a different platform, such as a beagle bone or raspberry pi. An Arduino is not going to be powerful enough.

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  • \$\begingroup\$ Thank you all for your replies and insights. Is there a specific Arduino shield that I can use to convert the audio to MP3 to remove the load from the Arduino? I would then use a WiFi shield to send it over to the other end... Would that work? \$\endgroup\$
    – user68030
    Feb 19, 2015 at 16:13

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