Audio GD i2s Output - PS Audio

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Audio GD i2s Output - PS Audio

Postby arnaldo » 23 Oct 2017, 11:17

Hi guys, i have a Raspberry Pi 2, RuneAudio (great, the best) last version, DAC PS Audio PWDMK2 -> USB all is ok, sound fantastic.

Now i bought an AudioGd Output Module i2s(via HDMI) try to upgrade in sound.

http://www.audio-gd.com/Pro/diy/I2Skits/I2SEN.htm
PIN 12 - BCK
PIN 17 - 3,3V DC Power
PIN 34 - MCK
PIN 35 - LCK
PIN 39 - GND
PIN 40 - DATA

I tried hifiberry dac driver but does not work.
Any suggestion?

Thanks,
Arnaldo.
Music!
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Re: Audio GD i2s Output - PS Audio

Postby hondagx35 » 23 Oct 2017, 17:35

Hi Arnaldo,

your DAC has an HDMI input, correct?

Which model (HDMI input or output)?

From their website:
B, For compatibility with other brands,the default data line up is : DATA, BCLK, WCK, MCLK, GND.
You can try the new line up but it is may not compatibility with other brands :
DATA, WCK, BCLK, MCLK, GND .
You just want to exchange the WCK and BCLK wires in the input module output side and the output module input side.


Frank
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Re: Audio GD i2s Output - PS Audio

Postby arnaldo » 23 Oct 2017, 18:32

Hi Frank, my dac has a hdmi input.
Which driver i have to use?
I try hifiberry dac but nothing.
i think the problem is only the driver...or not?

thanks,
Arnaldo.
Music!
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Re: Audio GD i2s Output - PS Audio

Postby janui » 23 Oct 2017, 21:56

Hi arnaldo,
The HDMI standard has no I2S connections. In your case HDMI is just used as a connection cable. The pi can supply an I2S signal and with a custom (diy) cable you can connect your dac. But, the pi can NOT supply a master clock (MCK) signal. You need to check if the MCK signal is essential, optional or not required. Some dac's need it and others don't. Next steps depend on MCK.
janui
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Re: Audio GD i2s Output - PS Audio

Postby arnaldo » 24 Oct 2017, 07:37

Hi Janui, i know that hdmi is only a way to send i2s signal, infat my DAC (PS Audio Perfect Wave DAC MK2) use this.
My questions are:
- wich driver i have to use in RuneAudio for enable i2s connection via Audio GD card
- is right my pin map for i2s
01 - Power 3.3V
12 - BCK
34 - MCK
35 - WCK
39 - Ground
40 - Data


my custom streamer: Image
Music!
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Re: Audio GD i2s Output - PS Audio

Postby janui » 24 Oct 2017, 08:32

Hi arnaldo,
A Picture says a thousand words, nice streamer.
You need the HifiberryDac driver.
This diagram explains the connections you need to make:Image
Replace the P5 with your HDMI pinout. There is no MCK output from the Pi.
janui
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Re: Audio GD i2s Output - PS Audio

Postby arnaldo » 24 Oct 2017, 08:48

Hi Janui, i have google too. :D :D :D :D
I have seen that picture, LRCK is in my module WCK.
I just tried this pin map, now I'm not sure that problem is this or module or PS Audio DAC.
This morning i have writeed to PS Audio for a help.

Thanks for all!
Arnaldo.
Music!
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Re: Audio GD i2s Output - PS Audio

Postby arnaldo » 25 Oct 2017, 10:48

Update:
one good news one bad news...

bad: PS Audio Perfect Wave MK2 DAC needs MasterClock signal in i2s connection, the new DirectStream no. In Raspberry 2Pi there is not a Masterclock pin.

good: i think i have found the solution using this card
https://support.hifiberry.com/hc/en-us/ ... l-I2S-DACs
i could have what PS Audio Perfect Wave MK2 DAC require.

Arnaldo.
Music!
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Re: Audio GD i2s Output - PS Audio

Postby rastus » 25 Oct 2017, 11:42

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Re: Audio GD i2s Output - PS Audio

Postby arnaldo » 25 Oct 2017, 13:18

rastus wrote:https://www.hifiberry.com/shop/boards/hifiberry-digi-pro/


Yes I bought this one, but DAC is ok too, the important thing is i2s out.
I will post photos when i'll finisched.

thanks,
Arnaldo.
Music!
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