USB I2S 384khz E9023 - diyAudio
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Old 31st October 2013, 03:51 PM   #1
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Default USB I2S 384khz E9023

Hi diyaudio-ers,

Recently I started on a project to build a digital media player based on Raspberry Pi. Using this as a digital source, I started to dive into the world of diyaudio, with zero electronics background.

Managed to get the Raspberry (running RaspyFi) playing with Behringer UCA222 without any glitches.

As the diy spirit grew in me , I started my journey to purchase the DAC 24192 ULN (Sabre E9023) link: DAC 24192 ULN 24bit 192kHz DAC I2S Input Ultra Low Noise Regulator Circuit | eBay

and gotten the XMOS 384kHz high-quality USB to I2S from DIYINHK. (XMOS 384kHz high-quality USB to I2S PCB with ultralow noise 6.5uV regulator - DIYINHK)

Checked their clocks and found them to be compatible.

When I've gotten both the devices, hooked them up on the I2S interface to the DAC, powered up the DAC and started playing on the Raspberry.

Was elated when I heard the first 2 seconds of audio from my headphones, it was beautiful music.... And all of a sudden it paused for 0.5 seconds. This repeated consistently after 2-3 seconds of music is being played.

Moved onto Windows installed the driver and tried again. Same problem. No matter what files I played, FLACs (44.1khz 16 bit), mp3s, all resulted in the same issue.

I checked through the Spy tool that came with the driver, however, found no missing or empty packets. Everything "seems" to be streaming perfectly from the interface point.

Does anyone has similar experiences and/or could guide me into troubleshooting this problem?
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Old 1st November 2013, 12:36 PM   #2
Anatoly is offline Anatoly  Russian Federation
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I have XMOS and DAC E9023 from DIYINHK and dont have any problems .
I check it on Windows 7 64 and XP 32.
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Old 1st November 2013, 01:47 PM   #3
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Quote:
Originally Posted by Anatoly View Post
I have XMOS and DAC E9023 from DIYINHK and dont have any problems .
I check it on Windows 7 64 and XP 32.
Hi Anatoly,

The issue I have is not with DIYINHK's E9023, rather the one from eBay by Sellarz Electronics. I was under the impression that I2S is a standard and will work across different implementations, however, I could be wrong. Right now, I"m awaiting the arrival of DIYINHK's E9023 to have a go to see if things work properly.
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Old 1st November 2013, 02:16 PM   #4
Anatoly is offline Anatoly  Russian Federation
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Hi, HippoBabu
May be XMOS powered from the Raspberry and need external supply ?
And
DIYINHK's E9023 is very simple device , for DIY-ers.
For quality sound needed output buffer and quality external power supply.

Last edited by Anatoly; 1st November 2013 at 02:28 PM.
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Old 1st November 2013, 02:31 PM   #5
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Join Date: Oct 2013
Thanks for the advice. I look forward to these stuffs once I can get the basic devices up and running.

Out of curiosity, do you add a clock to the DIYINHK's E9023? I read on their website, this will allow async operatons. And also there's mention of low pass RC. Does anyone actually mod these onto the board?
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Old 1st November 2013, 02:49 PM   #6
Anatoly is offline Anatoly  Russian Federation
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Join Date: Jan 2008
No clock, may be later I will try.
I will try LR from out and buffer.
C from output on ground is not so good, I think.
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Old 10th December 2013, 10:57 AM   #7
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I've received the E9023 board from DIYINK and it works really well.
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