My new design: CM6631 24bit/192khz USB to Coaxial and Optical fiber - diyAudio
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Old 29th August 2012, 05:19 AM   #1
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Default My new design: CM6631 24bit/192khz USB to Coaxial and Optical fiber

NEW version CM6631 24bit/192khz USB to Coaxial and Optical fiber


Listing in China for just a month and became a hot seller, a lot of audiophiles discuss the board in China domestic forums. This board with top grade IC chip CM6631 attracts so many audio lovers!

If you do like this board, you can have a try! Great value.

Here are some pictures
Attached Images
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File Type: jpg DSC05524.jpg (174.4 KB, 1231 views)
File Type: jpg DSC05528.jpg (148.2 KB, 1184 views)
File Type: jpg DSC05532.jpg (281.5 KB, 1174 views)
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Old 30th August 2012, 01:29 AM   #2
john57 is offline john57  United States
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I wonder how good is this compared to others?
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Old 30th August 2012, 02:41 AM   #3
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Quote:
Originally Posted by john57 View Post
I wonder how good is this compared to others?
The series of pcm270X will be getting beaten.
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Old 3rd September 2012, 05:27 AM   #4
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There is full Aluminium mini case suitable for this board and the picture will update later.
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Old 3rd September 2012, 09:38 PM   #5
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Nice. Do you have any graphs of scope measurements? Or any other "technical" information about this board?
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Old 4th September 2012, 02:41 PM   #6
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Hi, Here are some of the description of the IC CM6631 from cmedia, I want to upload the datasheet, but it is a bit large with 16 pages and failed to upload here, if someone intrested in it, you can search on google or PM me, I can send to your email box. This is a great IC!

"Cmedia CM6631 is the world’s first USB2.0 true high-speed audio processor that can support the latest USB Audio Device Class Definition V2.0 and high-definition audio processing capability up to 192KHz/32bit. CM6631 provides the industrial standard I2S and HDA audio interface and also integrates 192KHz/24bit S/PDIF transmitter/receiver and MIDI I/O device. It’s suitable for versatile, high-profile, typical 2-channel I/O audio applications. Furthermore, CM6631 has an embedded 8051 microprocessor that can enhance the best flexibility and functionality with external upgradeable F/W codes. CM6631 would be the most high-fidelity and powerful audio core for high-value USB2.0 audio products. "
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Old 4th September 2012, 02:43 PM   #7
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Quote:
Originally Posted by haik View Post
Nice. Do you have any graphs of scope measurements? Or any other "technical" information about this board?

Hi haik, sorry I have no any graphs at the moment, quite busy here, but you can ask me if any questions.
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Old 4th September 2012, 02:46 PM   #8
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This board support 192khz, also support 88.2 Khz and 176.4 Khz, I can update the firmware if customer need it.
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Old 4th September 2012, 09:07 PM   #9
rkay5 is offline rkay5  United States
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Hi weiliang,
So your board will do 44.1,48,88.2,96,176.4 and 192KHz and does it have ASIO driver and for how much $?
thanks
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Old 5th September 2012, 11:00 AM   #10
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Originally Posted by rkay5 View Post
Hi weiliang,
So your board will do 44.1,48,88.2,96,176.4 and 192KHz and does it have ASIO driver and for how much $?
thanks

Yes, it will support all these frequency, the highest is 192Khz, and it also support ASIO, need to download the ASIO.


Ps. will PM you

Thanks.
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