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hrvach / talkberry

Low-bitrate open source speech codec for Raspberry Pi RP2040
GNU Lesser General Public License v2.1
31 stars 3 forks source link

Using ADC for encoding? #1

Open rog77 opened 1 year ago

rog77 commented 1 year ago

Do you have any plans to use the onboard ADC for encoding? I think this project could make you quite popular in ham radio circles - one would be able to easily modify a fist mic to a cheap HT with your work, and upgrade an inexpensive radio to DV for less than $10.

hrvach commented 1 year ago

Yes, that's one direction I'll try - I already experimented with is using a cheap PDM MEMS microphone, but ADC means less parts and lower price. With 12-bit resolution it should be sufficient to provide acceptable quality.

rog77 commented 1 year ago

Thanks for the response, that sounds positive :-)