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dsPic audio player ? | Microchip
https://www.microchip.com/forums/m166133.aspx
Microchip has a sound recording/playback lib for the dsPIC. I believe it is designed for voice only. It uses a type of compression that can be done on the fly by the controller, however, it still takes I think something like 1 k/sec. So you would need an external chip to store audio of the length you want (not a really big problem). #4 davidcary
dsPic audio player ? | Microchip
https://www.microchip.com/forums/m166133.aspx?tree=true
dsPic audio player ? Hi group, I have about a 2-3 min audio recording in wav or mp3 format that I would like to play, any chance that this is doable with a dsPIC ? what peripheral components, if any, are needed ?
dsPic audio player ? | Microchip
https://www.microchip.com/forums/m166133-p5.aspx
Well now that Alex B._ has ported the mp3 decoder to the dsPIC, I got to looking to see what else has been done. I found that the AAC (MPEG4) audio codec was done on the dsPIC in Sept '07, and got 44.1KHz stereo playback with only 3.6 MIPs of processing time!
dsPic audio player ? | Microchip
https://www.microchip.com/forums/m166133-p2.aspx
Well the dsPIC has a 40-bit accumulator which can do some 32 bit math. Still when it comes down to it, if an mp3 decoder requires mostly 32 bit math, I suspect it'll take more than twice as long so there's just not enough MIPs in the dsPIC here, even the …
dsPic audio player ? | Microchip
https://www.microchip.com/forums/m166133-p4.aspx
RE: dsPic audio player ? 2007/09/19 12:48:05 0 just select "simulator" target for any chip of TMS32C55x series
dsPic audio player ? | Microchip
https://www.microchip.com/forums/m166133-p3.aspx
RE: dsPic audio player ? 2007/09/09 23:40:46 0 I seem to remember that the "minimum" PC needed to listen to a 64-128KBit MP3 is (was) a 486-66MHZ or a Pentium-100MHz.
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