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DSP for the Raspberry Pi
DSP for the Raspberry Pi
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Old 21st November 2013, 10:35 AM   #11
cloudalmasai is offline cloudalmasai  Venezuela
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Hi little question, this dsp can work with the I2S out of the P5 in the RPI? thanks.
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Old 21st November 2013, 01:19 PM   #12
usul27 is offline usul27  Switzerland
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Yes, this works.
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Old 21st November 2013, 01:47 PM   #13
cloudalmasai is offline cloudalmasai  Venezuela
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Thanks, really interesting, and the Multipurpose GPIO could be used with external DACsin in the same pcb? Or the internal DACs of the ADAU1701 are good enough? Thanks
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Old 21st November 2013, 02:06 PM   #14
mhelin is offline mhelin
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Looks good. This is like the miniDSP (from miniDSP.com not from TI) for Rasperry Pi - the DSP is the same one. Let's hope miniDSP.com won't steal your idea (or maybe you could sell your design to them). Look for extensions for next rev. if there will be one, folks need more outputs (at least 6x or even 8x for active speakers).
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Old 22nd November 2013, 09:15 AM   #15
usul27 is offline usul27  Switzerland
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I had some issues with the available space on the board. Therefore not all IOs are available from the outside. But I might change this in a next release.
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Old 12th January 2014, 12:29 AM   #16
cloudalmasai is offline cloudalmasai  Venezuela
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Hi any news about availability?
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Old 12th January 2014, 08:11 AM   #17
usul27 is offline usul27  Switzerland
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Not yet. As I'm busy with the DAC and the Digital output of the Raspberry Pi, this project is on hold at the moment. I'm also thinking about replacing the ADAU1701. Compared to my HiFiBerry DAC, the DACs on the ADAU1701 are not so good.
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Old 12th January 2014, 12:16 PM   #18
cloudalmasai is offline cloudalmasai  Venezuela
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Quote:
Originally Posted by usul27 View Post
I'm also thinking about replacing the ADAU1701. Compared to my HiFiBerry DAC, the DACs on the ADAU1701 are not so good.
A OK, I think that would be the case, what DSP chip do you have in mind for replace the ADAU1701?
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Old 12th January 2014, 06:06 PM   #19
mhelin is offline mhelin
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PCM5142 with two Raspberry Pi P5 headers for HIFIBerry for extra output channels? Or just two PCM5142's (4 channels)+ single P5 header (GPIO output from the other 42).
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Old 12th January 2014, 06:09 PM   #20
usul27 is offline usul27  Switzerland
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Yes, I have the PCM5142 in mind ;-)
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