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Author Topic: Loud Pop between some .dsf tracks after converting from image  (Read 575 times)

jctcom

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Loud Pop between some .dsf tracks after converting from image
« on: January 02, 2023, 11:14:52 pm »

I am continuing this from this location:  https://yabb.jriver.com/interact/index.php?topic=96962.0

which I found when trying to researching this issue.  It is quite old but It seems to have ended without any resolution.

My situation.  I have these DSD / .DSF Vinyl Rips consisting of Cue File and then a .DSF file for each side of the vinyl.
If I import said Cue File into JRiver it plays all tracks perfectly without any pops between tracks.  But I want to have the tracks as separate .dsf files.  So I use JRiver to "Convert" the files into the same level of DSD which is DSD128.  However the newly converted files have quite a loud Pop during track transitions.

I would love to upload some samples to someone at JRiver. However the uploads would be 4GB for the album pre-Converted and then the same for the album once converted.  If someone is going to take the trouble to work on this so we can finally get it corrected then I will find a way to host the files so you can download them.

My configuration is:
DAC is my Yamaha RX-A2A Receiver via wired network port  (The only way I can play native DSD files up to DSD256 (Not sure about DSD512 but they are so rare that I haven't worried about it)
Windows 10 PC with all current updates and latest version 29 of MC (Haven't upgraded to version 30 yet)  Wired to the same network switch.
Music is stored on my Synology NAS DS1821+ which is also hard wired to the same network.

JRiver settings are irrelevant since the pops happen only on the converted files and also on retrieving the converted files directly from my NAS to the Yamaha RX-A2A Via built in server function, pulling the files directly from my NAS, where JRiver is no longer involved. 

Something is happening during the conversion process itself that is causing these pops.

Hopefully someone is still looking at this even though you are on version 30 & the original thread seems to go back to versions 20/21.  If this has been fixed in Version 30 I would consider it a valid reason to upgrade.

As was indicated by everyone in the previous thread the POP goes away when JRiver is converting to PCM.

Please let me know if you need any other details in order to troubleshoot this issue? or is someone is going to be able to download samples to test.  I don't think you can truly troubleshoot this unless;

1. You download at least the whole original album image
2. You are connected to a DSD cable DAC via network / DLNA

Thank you in advance for your help.


Awesome Donkey

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Re: Loud Pop between some .dsf tracks after converting from image
« Reply #1 on: January 03, 2023, 03:50:57 am »

This is likely the known 'issue' that's been around for years now that's been reported many times. Audibly it's the same type of issue that sacd_extract also had with DSF files for years until one of the forks fixed it. Not sure if MC has the exact same issue, but the result is very similar, audible artifacts at the beginning of files converted. It'll happen with any sort of DSD conversion in MC, whether it be a DSD to PCM, PCM to DSD, or DSD to DSD (which in reality is a DSD > PCM > DSD conversion with a PCM conversion step in the middle). This is also why I wouldn't recommend using MC to split SACD ISOs or do any sort of DSD to DSD conversion because it always goes through a PCM conversion step in the middle which is a lossy conversion. But if you already knew that and want that, go for it.

The only workaround is to not do any sort of conversion. You might see if you can use sacd_extract to create individual files without audible artifacts but I'm not sure if it works with a CUE+DSF file, usually it's SACD ISOs.

https://yabb.jriver.com/interact/index.php?topic=127038.0
https://audiophilestyle.com/forums/topic/17561-sacd_extract-dsf-output-problem/
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jctcom

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Re: Loud Pop between some .dsf tracks after converting from image
« Reply #2 on: January 03, 2023, 03:12:39 pm »

I'll have to give that a try.

You would think though that in 6 years they could have fixed it by now?

Carl.

jctcom

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Re: Loud Pop between some .dsf tracks after converting from image
« Reply #3 on: January 03, 2023, 04:58:48 pm »

So in my search for a way to do this I came across some software by "Poikosoft"  (https://www.poikosoft.com/) called "EZ CD Audio Converter".

Funny thing is I remembered I used to use software from that company some 10 or 12 years ago.

I downloaded the current version, Managed to find my original registration info, Plugged it in and  bam! now have the most recent version installed & Registered.  Among a host of other features will decode my .dsf image files and convert them to individual tracks.  It works great  Now listening to my DSD128 Vinyl rip of The Doors - 1st album from their 180g Vinyl Box set via MC with no pops etc... direct to my receiver registering proper DSD128 input.

Truth be told even if my old registration had not worked I would have purchased the software again.  It's super easy to use and offers a fully functional 27 day trial.   From what I read it does direct DSD to DSD transfer with no PCM involved.

The price to purchase seems quite reasonable as well considering you get free updates for life!

Carl.
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