Hi Eric, I would definitely be interested to hear more what you'd suggest to improve the ADC side of things with STM32 + codec, as far as a low-cost HW/FW audio prototyping platform.
spencer On Sun, Feb 19, 2017 at 6:22 AM, Eric Brombaugh <ebrombau...@cox.net> wrote: > As the author of one of the pages listed below I'd note that STM32 + codec > is a fairly capable combination. I'd caution however that the WM8731 may > not be the best choice - the DACs are fine but ADC side is fairly noisy. > It's probably fine for some things, but with a little care and a few extra > cents you can do much better. > > Eric > > On Feb 18, 2017, at 7:12 PM, Spencer Salazar wrote: > > > STM32 ARM + Wolfson WM8731 codec is popular in the modular synth > community, e.g.: > > > > http://mutable-instruments.net/modules/clouds/ > > https://github.com/pichenettes/eurorack/tree/ > master/clouds/hardware_design > > http://ebrombaugh.studionebula.com/synth/stm32f4_codec_v2/index.html > > and I think: http://www.makenoisemusic.com/modules/erbe-verb > > > > spencer > > > > > > On Sat, Feb 18, 2017 at 11:10 AM, Emanuel Landeholm < > emanuel.landeh...@gmail.com> wrote: > > If you target modern GPU:s you will have a truly huge platform with > massive computational power. Just a thought. > > > > On Thu, 16 Feb 2017 at 05:03, Pablo Riera <pablo.ri...@gmail.com> wrote: > > Hi, > > > > I am collecting information on how to accomplish DSP projects (mainly > synths, only output) with low cost or makers boards. > > > > -Arduino Uno 16 bit PWM, 25 usd > > -Arduino Due 12 bit DAC, 50 usd > > -Beaglebone + Bela 16 bit DAC, 170 usd > > -Raspberry Pi + Behringher Uca22216 bit DAC, 70 usd > > -16 bit DAC module, 5 usd (and some fast board, Due? ) > > > > I am not sure about maximum sampling rate for each case, but I think > they all reach 44.1 kHz, (maybe not for the arduino UNO). It will be nice > to run code at higher bit depths and rates but DAC outputs at CD quality. > > > > Does anyone has experience with some of these combinations or others and > could share comments on technical issues, ease of use, latency, audio > quality (noise, max sampling rate), etc. > > > > Thanks in advance. Great list by the way. > > Pablo > > _______________________________________________ > > dupswapdrop: music-dsp mailing list > > music-dsp@music.columbia.edu > > https://lists.columbia.edu/mailman/listinfo/music-dsp > > > > _______________________________________________ > > dupswapdrop: music-dsp mailing list > > music-dsp@music.columbia.edu > > https://lists.columbia.edu/mailman/listinfo/music-dsp > > > > _______________________________________________ > > dupswapdrop: music-dsp mailing list > > music-dsp@music.columbia.edu > > https://lists.columbia.edu/mailman/listinfo/music-dsp > > _______________________________________________ > dupswapdrop: music-dsp mailing list > music-dsp@music.columbia.edu > https://lists.columbia.edu/mailman/listinfo/music-dsp > >
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