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Old 22nd December 2003, 05:29 PM   #1
TobWen is offline TobWen  Germany
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Default AKM AK5394a

Hi there,

I just found a great A/D on the web: AKM AK5394a


http://www.asahi-kasei.co.jp/akm/en/...4a/ek5394a.pdf

Evaluation-Board:
http://www.asahi-kasei.co.jp/akm/en/...a/ekd5394a.pdf

Is there a way to create a stand-alone ADC using the AK5394a?

On page 1 of the evaluation-board PDF there is a diagram, which uses a AK4103 (DIT) to create a coax-S/PDIF output.

Greetings
Tobias from Germany
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Old 23rd December 2003, 09:37 AM   #2
TobWen is offline TobWen  Germany
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I forgot to say something:

I am working in a German music-studio.

At the moment we are using ProTools 888-Interfaces with 8/8 ADDAs, but the A/D is crap.

In order to record a perfect sound from our microphones, we need good A/Ds.

I first thought about buying Apogoo-ADs, but they I found this forum where audiophile-profis are chatting about quality and I thougt, it's better to request a self-build A/D.

Can you help me?
Better A/Ds means better sound for you !!
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Old 24th December 2003, 09:13 AM   #3
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Hi, there is a way, of course. I have a pair of CS5394 117dB ADC for 4 years and yet I've done nothing with them. Now there are better, 96/192kHz ones. Check also CS5396. I think it needs a microcontroller. Good layot is very necessary. And some quality opamps or something exotic, - and, of course, good low jitter clock generator.
What is your budget??? And how many channels do you need? In one box or separate stereo ADCs?
regards
marry X-mas
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Old 24th December 2003, 09:48 AM   #4
TobWen is offline TobWen  Germany
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Why does the CS5396 needs a microcontroller?

Of course ... quality OPs ... I thought of OP275 by Analog Devices.
Jitterclock can come in from Wordclock in the studio-beat.

2 Channels needed right now ... for prototyping of course.
Finally we need 8 channels (mono) A/D and 40 channels (mono) D/A.

But I did not find any good pricing D/A in this forum.
The main problem is, you guys build very good D/As and write much about them in this forum.

But nobody can send me a prototyp to test the sound.

I am really interested in paying a prototyp or paying the time to test it :-(

btw: Budget isn't a big problem :-))
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Old 24th December 2003, 11:18 AM   #5
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Hello Tobias,
Have a look at this thread. I don't know the Audionote ADC is ready for marketing yet.
http://db.audioasylum.com/cgi/m.pl?f...+elso&session=
I also did receive the CD ROM from Peter Qvortrup and I can assure you it sounds good. The CD ROM contains samples from LP's played back through a conventional AD converter and through Peters new product.
I feel he would make a much stronger case if he used a life music feed to demonstrate the differences.
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Old 24th December 2003, 11:19 AM   #6
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Have you checked this?
http://www.digitalaudio.dk/

Quote:
At the moment we are using ProTools 888-Interfaces with 8/8 ADDAs, but the A/D is crap.
What are they based on, AD chip etc?
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Old 24th December 2003, 11:22 AM   #7
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Quote:
Originally posted by TobWen
Finally we need 8 channels (mono) A/D and 40 channels (mono) D/A.

btw: Budget isn't a big problem :-))
Indeed, but what is your budget then?

Have you thought about buying a digital mixer? Yamaha for instance?
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Old 24th December 2003, 11:43 AM   #8
TobWen is offline TobWen  Germany
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Hi peranders,

Quote:
Have you checked this?
I know Digitalaudio very well, but many professional mixers (human beings, hehe) don't like it's sound. That#s why I did not choose it.

Quote:
What are they based on, AD chip etc?
Unknown ... They changed their chips at every revision.
There was

888-16
888-18
888-20
888-23
888-24

Now they switched to "HD-96" and "HD-192"

I think they only use the flagships of Crystal or AMK.

Quote:
Indeed, but what is your budget then?
Budget means ... 8 channels => 2000-3000 EUR

Quote:
Have you thought about buying a digital mixer? Yamaha for instance?
I really hope, this was a joke ... If not, I will never write to you again :-)
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Old 24th December 2003, 12:21 PM   #9
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Quote:
Originally posted by TobWen
Why does the CS5396 needs a microcontroller?


Jitterclock can come in from Wordclock in the studio-beat.


the 5396 does not need a uC for all applications

If you want serious sound then have the masterclock where it should be, at the AD, and slave the rest

regards
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Old 24th December 2003, 07:33 PM   #10
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Quote:
Originally posted by Guido Tent


If you want serious sound then have the masterclock where it should be, at the AD, and slave the rest

regards

Not really an option in a studio enviroment of any reasonable size.
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