Stereo Tool

Welcome

I designed for my private use high quality native sample rate support 176,4&192kHz 16/24bit ultra flat frequency response, phase linear filter, jitter free - dedicated for composite.
Cost is about 75 Euro

At the moment I have 2 prototypes build with CM6631A+PCM1794A, if someone will be interested in I can make more.

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Urban Junglist

Sounds interesting. You produce this completely yourself? Curious about the results to use with Stereo Tool. How many stereo in- and outputs are there on it? Do you have ASIO drivers too?

ASIO driver also, but no input, only 1 output, actually only for composite ST but standard stereo is possible.
Hardware is designed by me, software - driver/firmware comes from c-media.
>120dB SNR with 80% of 0dBFS level.

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Urban Junglist

Interesting! Can we see some pictures?
Is it something like this?..
http://2.bp.blogspot.com/-EY8DQNzfzzc/U ... CMEDIA.jpg
http://img02.taobaocdn.com/imgextra/i2/ ... 508936.jpg
http://www.pennybuying.com/pbuying/nEO_ ... 285%29.jpg

It will looks like this
I'll try to do some pictures but at moment it's looks like alpha prototype

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Urban Junglist

I would also like to see some scope testing

Real scope test is no problem but print screen from analog has no good quality what kind of test would you like to see?

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Urban Junglist

Any datasheet of CM6631A ? ver 1.0 ?

Advanced datasheet is NDA protecded.
Hardware is not standard from datasheets, specially designed for a specific purpose.
Output composite levels, impedance, etc can be like industrial standard in similar box equipment.

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Urban Junglist

, protected ?

From what ? , what that gold thing is inside ? Really i don`t understand what "gold" will have a chip ? and only a converter from USB to I2S and some more ..
And i suspect only firms that provides DAC`s to have it .... it`s a totally shame for C-media !