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Old 4th November 2017, 06:36 PM   #681
Dropix is offline Dropix
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Quote:
Originally Posted by diyinhk View Post
Dear friends,
A new xmos multichannel PCB is just released.
  • 4 layer PCB, Ultra low phase noise ndk audio oscillator
  • Upto 32 channels or 384kHz with different firmware
  • XMOS Xcore-200 XU216 with 2 Tiles 16 Cores upto 2000MIPS in dual issue mode.

Click the image to open in full size.

The default firmware on the DXIO32ch support 8 channels 192kHz I2S input , 8 channel 192kHz I2S output, spdif output, OLED VU meter and volume up/down control button

Extreme diyer can use the onboard full size XSYS connector to program the xmos with their customized firmware to add more feature and function. (For programming support, please refer to the xmos official website and xcore.com for question about xmos programming, the PCB portmap is shown in the item image.)

The usb audio source code can be downloaded from xmos.com and the VU meter patch can be downloaded from xcore.com released under bsd license.

To compare, the xmos used in the stereo 384k USB I2S PCB is 500MIPS processing power. Our test shows that the OLED VU meter patch can degrade the audio quality if it is not used with the new 2000MIPS XMOS.
Hi

its full duplex ?
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Old 5th January 2018, 10:47 AM   #682
JayShoe is offline JayShoe  United States
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Originally Posted by Jensen567 View Post
This seems like it might be the perfect USB reciever I have been looking for. Plan to interface with a TI PCM1863 ADC and a PCM5242 DAC. DimDim, can you confirm that you get both an input and an output under recording devices and playback devices respectively in Windows? I only need stereo in and out for now.
I'm considering the "XMOS Multichannel high-quality USB to/from I2S/DSD SPDIF PCB" with a PCM5242 DAC and two PCM1864 4 channel ADCs. The result will be an 8 channel in and a 2 channel out board. I haven't sourced the ADC/DAC boards yet but that will be the next step.

My question is whether or not this board will work as a USB Soundcard with built in Audio Mixer. I want to mix the 8 channels of inputs into the 2 channels of output. I want the host computer to control the mix volumes and parameters (HID or MIDI). And if it's powerful enough, I want to add reverb effects to 4 of the 8 input channels. I do not need to "record" all 8 input channels via USB. I really only need to record the mix... Just 8 in, plus stereo USB Audio out of the host, processed by the DSP, and sent to the DAC with low latency.

Is this possible with this DIYINHK board? I'm assuming I would need custom firmware for this. But since the XMOS chips are used in many DJ Mixers in similar ways I think the power/technology is there. Right?

Last edited by JayShoe; 5th January 2018 at 10:55 AM.
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Old 5th January 2018, 03:07 PM   #683
Telstar is offline Telstar  Italy
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Hello, I would like to know if 705,6 khz pcm is supported. That would be the only reason for which I would replace my Amanero ddc with this one.
Also i cannot see the tcxo on the board: are there 1 or 2?
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Old 6th January 2018, 12:56 AM   #684
kin1111kin is offline kin1111kin  Hong Kong
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我也是香港人,對你的usb介面有興趣,請問價格多少,有試聽嗎?謝謝
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Old 6th January 2018, 01:24 AM   #685
planet10 is offline planet10  Canada
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Originally Posted by kin1111kin View Post
I am also Hong Kong, interested in your usb interface, how much the price, audition? Thank you
English only please

dave
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Old 6th January 2018, 02:55 PM   #686
Rixsta is offline Rixsta  United Kingdom
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I would like to know answer to this question too!
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Old 6th January 2018, 03:02 PM   #687
wealas is offline wealas
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You might want to ask xmos related questions at xcore.com, the DIYINHK board is mostly a reference implementation and all the features you're asking for would be based on a firmware for the xmos chip.
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Old 13th January 2018, 10:46 AM   #688
tuxx is offline tuxx  Greece
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Please can you recommend any alternartive capacitor solution to the black ones that diyinhk usually uses for all his kits?

Thank you in advance.
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Old 13th January 2018, 09:07 PM   #689
tuxx is offline tuxx  Greece
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Originally Posted by tuxx View Post
Please can you recommend any alternartive capacitor solution to the black ones that diyinhk usually uses for all his kits?

Thank you in advance.
I am sorry for bumping, but below you can find a photo of the capacitors used:



IMG_20180114_000555.jpg
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Old 17th January 2018, 02:35 PM   #690
tuxx is offline tuxx  Greece
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I just found the following while googling for our 9018k2m:

Click the image to open in full size.

LampizatOr Amber - recenzja. Oczywiście, że się da. :: Blog PCLab.pl

As it seems our boards (dac and XMOS) along with a tube i/v stage are sold for 2000 (lol) Euros.
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