USB to I2S 384Khz - DSD Converter - Page 128 - diyAudio
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Old 5th March 2013, 07:45 AM   #1271
Chii is offline Chii  United Kingdom
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Join Date: Sep 2011
All payed up thank you.
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Old 5th March 2013, 02:54 PM   #1272
Bunpei is offline Bunpei  Japan
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Join Date: Aug 2008
Quote:
Originally Posted by Jackal29a View Post
Good news for all Windows users: ASIO drivers for the Combo384 are finally available.
This drivers feature DSD over ASIO (aka "Direct DSD", aka "Native DSD") and support for up to DSD512. To enable this it is necessary to use the latest 1.068 firmware (also fixes some resampling bug with ALSA under Linux). Both Foobar and JRiver support DSD over ASIO, maybe other players do too.

Most cards need to have both CPLD and CPU flashed in order to access these ASIO features, only the latest have the required firmware. The easiest way to know whether your card neds flashing is to simply test the features, if they don't work a flash is needed.

The ASIO drivers are installed on top of current WDM ones (1.056), they complement each other, so don't uninstall anything. Once installed all Windows output modes will be available: DirectSound, WASAPI (push and Event modes) plus ASIO.

The drivers are here (32 and 64bit):

Index of /drivers/asio

The firmware flashing tool plus its, very detailed, instructions (pdf and a jpg)can be found here:
Index of /asiohwd

Note: The flashing process starts by erasing the card as per the JPG instructions.

Note2: For those powering the Combo with an external PS, when the PDF says disconnect/reconnect from USB port read power off/on the PS instead. The idea is to reset the card and force it to upload the new code.

Note3: read carefuly the instructions and make sure they are well understood before starting to avoid problems.
Dear Jackal29a,

By following your smart instructions, I could play DSD64, DSD128, DSD256, DSD512 sources with both HQPlayer and JRiver Media Center without any problems. I'd like to express my sincere gratitude to you as well as to Domenico. Tomorrow I will connect the board to ElectrArt's "DSD Principle board" which is compatible with all the DSD sampling rates.

Best regards,
Bunpei
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Old 6th March 2013, 12:45 AM   #1273
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Join Date: Dec 2012
Added my order to the list.
Thanks

Sent from my GT-I9300 using Tapatalk 2
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Old 7th March 2013, 08:01 AM   #1274
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Join Date: Feb 2008
Have added myself to the spreadsheet

Thanks
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Old 7th March 2013, 09:13 AM   #1275
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Join Date: Jun 2006
Default One more

I have added myself to the spreadsheet.

Cheers,
Mats
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Old 7th March 2013, 11:38 AM   #1276
pglusz is offline pglusz  Poland
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Join Date: Jul 2005
Location: Warsaw, Poland
Hi Amanero,
I have added myself to the list under line No 345. I am waiting for Paypal invoice to execute the payment.
What is now a typical time to wait for the module?

Thx in advance for your answer,
pglusz
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Old 8th March 2013, 11:23 AM   #1277
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Join Date: Oct 2007
Location: Aarhus, Denmark
Hi all,

I really hope one of you can help with this as the hairs on my head are getting even greyer than they already are - & way before time - trying to solve this ... :-)

I have made a DAC based on the DSD1794A and am now connecting it to the combo384 but I get no sound whatsoever. I've connected the combo384 as indicated in this post (#363):

USB to I2S 384Khz - DSD Converter

and have also tried to connect pin 7 of the combo384 (dsdoe) to ground as suggested in this post (#377):

USB to I2S 384Khz - DSD Converter

Since I use the DSD1794 instead of the PCM1794 - and haven't yet tried to program the DSD1794's registers - I have connected pins 10-13 to GND, and pin 14 (reset_low) to VDD. Pins 1-3 for DSD connections are left floating (I've attached a copy of the DSD1794 pin connections).

All supply voltages on the DAC measure as they should and the DAC's current outputs are loaded with a 470 ohm resistor to ground. This gives ~2.6 VDC on each of the Iout+/Iout- outputs.

However, when I play back a 192 kHz/24 bit sample via foobar (amanero card selected) there's no sound whatsoever as measured by my scope. But there are signals that "look digital" on the mclk, fsclk, bclk and data pins of the amanero board. The fsclk, bclk and data levels jump from ~0 volts to about 3.3 volts whereas the mclk levels are between 0.8 volts and 2.6 volts. Yet, my scope (Rigol DS1042C) indicates the frequency to be around 22.7 MHz which is for a 512*fs at 44.1 kHz ??? I wonder how this could be ... maybe an oscilloscope artifact? The amanero driver I use is version 1.0.5.

When I stop the foobar playback the "DATA" pin level signals are now zero volts which I assume they should be.

Also, I've been thinking that maybe the DSD1794's registers are not set to accept PCM files in the I2S format by default but as far as I can see it should be so (I've attached a copy of the default settings - just in case one of you can "see through" this).

I honestly don't know what is amiss here so would really appreciate help from other insightful eyes & minds

Greetings,

Jesper

A P.S.: to Bunpei: Sounds really interesting - hope you will share your impressions of listening to particularly the DSD principle board and DSD512 ;-)
Attached Images
File Type: jpg dsd1794_pin.jpg (87.2 KB, 449 views)
File Type: jpg dsd1794_default_settings.jpg (677.1 KB, 442 views)
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Last edited by gentlevoice; 8th March 2013 at 11:28 AM.
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Old 8th March 2013, 11:55 AM   #1278
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Join Date: Oct 2007
Location: Aarhus, Denmark
Hi again,

Just updated the amanero driver to version 1.0.56 and now it works - smiling all over my face - and everywhere else :-) :-)

It also means that there's no reason to reply to the above post ...

Greetings & all the best for your weekend!

Jesper
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Old 8th March 2013, 03:43 PM   #1279
axeexa is offline axeexa  Taiwan
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Join Date: Jul 2011
I added my name on the list of this GB.

Here's the link to list file.

https://docs.google.com/spreadsheet/...wYS1EcXc#gid=0

I hope GB5 be successful,thank you.
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Old 8th March 2013, 05:33 PM   #1280
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Join Date: Feb 2008
Hi,

I found new firmware 1.69, anyone try it?
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