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Author Topic: 192/24 slow playback with new DAC [Solved]  (Read 8031 times)

lotriwer

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192/24 slow playback with new DAC [Solved]
« on: September 07, 2013, 08:59:50 am »

Just got a new Ciunas DAC from John Kenny. Great improvement over JKDAC32. However, 192/24 files play in slow motion. Never had this problem with JKDAC32. Playing through my sound card (asus xonar essence stx) is fine too. I have a very powerfull dedicated music computer using Windows 8.1. Could it be Amanero driver?
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InflatableMouse

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Re: 192/24 slow playback with new DAC
« Reply #1 on: September 07, 2013, 10:06:44 am »

Sounds like a driver issue.

What is audio path listing?

What happens when you upsample something to 192khz?
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lotriwer

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Re: 192/24 slow playback with new DAC
« Reply #2 on: September 08, 2013, 12:51:04 am »

Will try upsampling tonight. can you clarify your question about audio path listing, please?
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InflatableMouse

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Re: 192/24 slow playback with new DAC
« Reply #3 on: September 08, 2013, 01:48:56 am »

Audio Path is shown in the tooltip that pops up when you hover your mouse over the Equalizer button in the upper right corner.

Take note of the input, changes and output. Compare two files, one that plays fine and one that plays too slow.
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lotriwer

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Re: 192/24 slow playback with new DAC
« Reply #4 on: September 08, 2013, 05:32:52 am »

Audio Path states, that no changes are being made in both cases, but any HiRes file plays slower. When I upsample 44.1/16 files, the play slow too.
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InflatableMouse

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Re: 192/24 slow playback with new DAC
« Reply #5 on: September 08, 2013, 05:34:24 am »

Interesting.

Does the timerbar in MC progress normally?
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lotriwer

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Re: 192/24 slow playback with new DAC
« Reply #6 on: September 08, 2013, 05:51:38 am »

Yes it does, when I down-sample HiRes files, it plays fine.
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InflatableMouse

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Re: 192/24 slow playback with new DAC
« Reply #7 on: September 08, 2013, 05:58:48 am »

Sorry. I wasn't very clear.

When a file plays too slow, does the timerbar in MC progress normally (so that halfway through a song it sits at 100% while the song continues to play) or does it move slow as well?

Either way, it really sounds to me like a driver/hardware issue. You could try down- or upgrading the drivers see if that helps. Also, if you can choose between ASIO, WASAPI or even DirectSound I would try that too. Does the driver have a control panel with settings?

Out of interest, does it sound like it plays high samplerate files at 44.1? So with 88.2 or 96khz, the speed is about half, and with 192 the speed should be down to like a 4th of normal speed?
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lotriwer

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Re: 192/24 slow playback with new DAC
« Reply #8 on: September 09, 2013, 03:27:18 am »

Just tried with Foobar and it is all fine. Only does it with JRiver. Any thoughts?
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InflatableMouse

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Re: 192/24 slow playback with new DAC
« Reply #9 on: September 09, 2013, 03:57:14 am »

What output mode did you use with foobar?


When a file plays too slow, does the timerbar in MC progress normally (so that halfway through a song it sits at 100% while the song continues to play) or does it move slow as well?

You could try down- or upgrading the drivers see if that helps.

Try different output modes: ASIO, WASAPI, DirectSound, Kernel Streaming.

Does the driver have a control panel with settings?

Out of interest, does it sound like it plays high samplerate files at 44.1? So with 88.2 or 96khz, the speed is about half, and with 192 the speed should be down to like a 4th of normal speed?
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lotriwer

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Re: 192/24 slow playback with new DAC
« Reply #10 on: September 09, 2013, 04:20:46 am »

Yes, the timerbar in MC does progress normally. Wasapi and KS don't work, but Direct Sound seems to work fine. I don't think this driver has a control panel.
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Hendrik

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Re: 192/24 slow playback with new DAC
« Reply #11 on: September 09, 2013, 04:26:25 am »

For WASAPI it can help if you go into the output device settings in MC and adjust its buffer size. 100ms is the default and works for most devices, but sometimes you'll need a different value for some drivers, try increasing it slightly, and if that doesn't help, lowering it instead.
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lotriwer

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Re: 192/24 slow playback with new DAC
« Reply #12 on: September 09, 2013, 04:45:57 am »

Tried, did not work
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InflatableMouse

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Re: 192/24 slow playback with new DAC
« Reply #13 on: September 09, 2013, 05:51:26 am »

Disable event style for Wasapi.
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lotriwer

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Re: 192/24 slow playback with new DAC
« Reply #14 on: September 10, 2013, 03:00:20 am »

Sorted out - there was a clock issue in the DAC. Thanks for your help.
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InflatableMouse

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Re: 192/24 slow playback with new DAC
« Reply #15 on: September 10, 2013, 03:11:25 am »

Cool. Thanks or letting us know.
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spiggytopes

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Re: 192/24 slow playback with new DAC
« Reply #16 on: September 11, 2013, 01:03:54 am »

Sorted out - there was a clock issue in the DAC. Thanks for your help.

I have the same problem with an ASUS STX ...... slow playback with Hi Res files, but only when using ASIO.

How de you fix it?
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