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Meitner MA-1 issue with DSD and ASIO

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thesnodger:
Hi,

I am having the same issue as another member (posted in the MC17 forum) with my Meitner MA-1.

I can confirm that both Kernal Streaming and WASAPI event-style works with DoP, but the Native ASIO driver does not work.

I have DSD checked in Options>Video>Bitstreaming but I get the same error when trying to play back a DSD file (I am using DSF exclusively). Hi-Res FLAC, and regular 16-bit/44.1Khz material also works absolutely fine.

Like Yeang, my preference is to use the native ASIO driver as it has no dependencies on Windows services (meaning I can shut them off).

I must also add that I can get DSD native over ASIO using Foobar2000 with the SACD plugin and DSD Proxy (I think that's what it is called).

So is this just something that you guys need to do a bit more work on to fix it? Will we see a fix in version 17 or will an upgrade to 18 be necessary?

BTW, I am using an extremely tweaked version of Windows 7 x64 with only 5 services running and J River 17 (Build 184) as the shell which I why I am not keen to go back to WASAPI event style as it needs 3 additional services running to work whereas ASIO needs none. Thanks!

Ychng:
Hi Jim, Matt and gang,

Wanted to chime in here and add that this is something I would also really like to see in the interest of reducing latency. My Meitner MA-1 also does not work with MC 17 in ASIO mode either.

I am wondering if this has something to do with the USB driver, although Snodger's comment that he got it working with foobar is interesting (I've never tried it, and I'm not sure if the proxy or other stuff running is getting around the need for pure ASIO).

Snodger, do you know how foobar gets it done? I was pretty sure it was more of a driver issue, though if they could get it working with JRMC18 that would be awesome.

Yeang

Ychng:
p.s. i know there's something called ASIO4All, which is sort of a fake ASIO which runs over WASAPI, without needing true ASIO driver support.

Again, the issue here is DSD streaming over ASIO, not just PCM over ASIO, just to clarify.

thesnodger:
Hey Yeang,

I don't know how foobar works internally, but I do know that you have to have the SACD plugin and the ASIO proxy. When you select your driver in foobar you select the ASIO proxy driver and NOT the Meitner driver (TUSBAUdio or something similar). I have a feeling that it could just be DoP being proxied by ASIO.

For now I am using KS for DSD and switching back to ASIO for other formats (primarily WAV and FLAC).

One other question for you Yeang - I've noticed that some 24-bit 192Khz files have drop outs (in J River, haven't tried Foobar). Have you experienced this? It could be a coincidence but it appears to be on music which has a lot of bass. I first noticed it playing a vinyl rip of VCMG and then again on another rip of the new Hot Chip album. If I resample the same file to 96Khz they play absolutely fine. The drop outs happen using any direct playback method (WASAPI, KS and ASIO) and occur at the same point in the song every time.

I should also point out that these files always played 100% correctly using my North Star USB Dac32 using J River on the same PC.

I can send you a couple of the flacs to test it if you want? If you experience it too I would hazard a guess it's a driver issue then we can get onto Meitner about it. I guess I should also test FooBar!

Jim, Matt and gang... have you had any similar experiences?

Thanks

Snodger.

ted_b:
Snodger and Yeang,
Are you guys on the beta MC18 team (i.e are you reporting these DSD ASIO with Meitner MA-1 problem in MC18)?  Otherwise not sure why this thread is here.

I am going to ask to be put on the MC18 beta team to test all my DSD stuff (Meitner, Mytek, etc).

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