Replies: 4 comments 4 replies
-
|
Hi Jacek, I think I know what's happening here. Most Raspberry Pi DACs are driven in "slave mode" by the Raspberry Pi's I2S clock (Pi is the "master"), but according to the specifications, the HiFiBerry DAC2 HD has its own crystal oscillator, which means that the DAC should be the "master" and the Pi should be the "slave". This is a "premium feature" of some of the higher-end DACs to reduce audio jitter - until now, the only other DAC I have encountered that uses this setup is the Blokas PiSound. Therefore, I think we can make this work fairly easily. I will need to add a new config option to allow the user to specify that the DAC should be master. For now, please download the kernels archive from the following link and replace the kernels on your SD card: https://github.com/dwhinham/mt32-pi/actions/runs/1355016362 Also make sure you use the following settings in mt32-pi.cfg: [audio]
i2c_dac_init = pcm51xx
i2c_dac_address = 4dLet me know if this works. |
Beta Was this translation helpful? Give feedback.
-
|
Hi Dale, [audio] no success, still no sound through DAC. i2cdetect -y 1 I was trying with but still no sound on DAC. Maybe this DAC needs to be initialized in some other way. |
Beta Was this translation helpful? Give feedback.
-
|
Hi Jacek, Apologies, you're right, On looking into this further, I can see the Linux driver for this DAC does even more initialization than I thought. The Unfortunately this is quite unique to this particular model of DAC and I will need to write a special driver for it based on the Linux code. I would like to support it, but it will be very difficult to do without having access to one of these DACs myself. I noticed HiFiBerry has this in their Q&A:
I will contact them and see if they would be willing to send me one for development. |
Beta Was this translation helpful? Give feedback.
-
|
Hi Dale, |
Beta Was this translation helpful? Give feedback.
-
|
Hi Jacek, Good job, yes, the IQaudIO is also a nice DAC, I have this one. HiFiBerry have kindly provided me with a developer discount for the DAC2 HD, so I have used some of the mt32-pi donation money to purchase one. It may be some time before it arrives and I can start attempting to add support for it, but I look forward to getting it working. Cheers, |
Beta Was this translation helpful? Give feedback.
-
|
Hi Dale,
Please give me some paypal address or similar
I will donate something, what amount they ask You to pay?
Regards
Jacek
… Wiadomość napisana przez Dale Whinham ***@***.***> w dniu 19.10.2021, o godz. 17:55:
Hi Jacek,
Good job, yes, the IQaudIO is also a nice DAC, I have this one.
HiFiBerry have kindly provided me with a developer discount for the DAC2 HD, so I have used some of the mt32-pi donation money to purchase one. It may be some time before it arrives and I can start attempting to add support for it, but I look forward to getting it working.
Cheers,
-Dale
—
You are receiving this because you authored the thread.
Reply to this email directly, view it on GitHub <#194 (reply in thread)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AWDBUZ343PHMGISNSS7UB73UHWIHFANCNFSM5GE3GGBQ>.
Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub>.
|
Beta Was this translation helpful? Give feedback.
-
|
Found it, 10 GBP has been sent;)
Hope it will help a little.
Regards
Jacek
… Wiadomość napisana przez Jacek Jumutz ***@***.***> w dniu 19.10.2021, o godz. 18:09:
Hi Dale,
Please give me some paypal address or similar
I will donate something, what amount they ask You to pay?
Regards
Jacek
> Wiadomość napisana przez Dale Whinham ***@***.*** ***@***.***>> w dniu 19.10.2021, o godz. 17:55:
>
>
> Hi Jacek,
>
> Good job, yes, the IQaudIO is also a nice DAC, I have this one.
>
> HiFiBerry have kindly provided me with a developer discount for the DAC2 HD, so I have used some of the mt32-pi donation money to purchase one. It may be some time before it arrives and I can start attempting to add support for it, but I look forward to getting it working.
>
> Cheers,
> -Dale
>
> —
> You are receiving this because you authored the thread.
> Reply to this email directly, view it on GitHub <#194 (reply in thread)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AWDBUZ343PHMGISNSS7UB73UHWIHFANCNFSM5GE3GGBQ>.
> Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub>.
>
|
Beta Was this translation helpful? Give feedback.
-
|
That is very kind of you, thanks! Hopefully I will have good news soon. |
Beta Was this translation helpful? Give feedback.
-
Hi.
Maybe some can help me. I am tring to run mt32-pi with HIFIBerry DAC2 HD based on PCM 1796.
I tied everything from wiki, concerning DACs, have address, tried with i2c_dac_init settings but still silent in speakers on this DAC. MIDI works on headphone output but quality is known to be poor.
Regards
Jacek
Beta Was this translation helpful? Give feedback.
All reactions