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Review and Measurements of New Topping D50s DAC

Gradius

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Выпущены новые 4.82 драйвера. Кто уже что-нибудь тестировал? Каковы различия со старыми драйверами? Есть ли разница в звуке? заранее спасибо

http://www.tpdz.net/newsinfo/374859.html
Please, use english here.

You said:
"New 4.82 drivers released. Who has already tested anything? What are the differences with older drivers? Is there a difference in sound? thanks in advance "

I will look at it now.
 

Gradius

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I'm checking... atm.

The drivers are from 16/01/2020:
DriverVer = 01/16/2020,4.82.0.57814

Bad thing for me is, it killed my Dolby Atmos, I will need to fix it again. :facepalm:
 

Gradius

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Everything is fine.

Tested all DSD files (64, 128, 256 and 512). No problem.

Tested somes flac and waves (16 & 24-bit), no problem.

No perceptible audio quality differences. Must have been a release for bug fixes.
 
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4.82 fixed an issue on my D10 where I was having delayed / slightly slow looking video in MPC-BE under WASAPI Exclusive. Switching to WASAPI Shared fixed it but of course that was inconvenient losing the ability to switch sample rates on its own. I'm glad whatever that was is fixed.
 

Gradius

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Last edited:

Vosya

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I don't know why (Topping) were so much secretive about this.
They are afraid to convey to consumers the idea that the new drivers are objectively better than the old ones. And that new ones should be published as soon as they are released, and not wait until they (Topping) are actually forced to do this through e-mail.
 

Toku

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The cause is due to Thesycon side.
I've talked about Topping and Driver before, and when I answered, "Toping is only in a position to get driver software from Thesycon.
No detailed information was given to us. There was.
 

Vosya

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to get driver software from Thesycon. No detailed information was given to us
Companies that also use Thesycon's drivers for XMOS USB chipsets, but at the same time publish full information about driver revisions - get it obviously in a pirated way? Funnily.
 

Vosya

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Then blame Thesycon for discrimination
Well, there are reasons to blame Thesycon. They, for example, made the "TUSBAudio Spy Tool" unavailable since the 4.xx version of drivers. It is a very powerful tool for measure the quality of audio data transmission via USB in the current hardware setup and software settings.
 

Gradius

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so does changing the volume actually change the Vrms RCA preout voltage?

If the answer is yes, do you or anyone know what volume level/setting would output 0.5v, 1.0v and 1.5v?
The volumes goes from -99 until 00.

The max output is 2V @ 00 (zero). So you can do the math now.

At -49 should be 1V.
 

keyoke

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just got my topping d50s

have read through the forum and realised some experience the "popping" sound when dac switches from 44.1khz (after play a AAC file at JRiver) to 384khz (Windows Control Panel set to 32bit, 384khz).

I can only avoid the "popping" sound by setting the Windows Control Panel to 32bit 352khz and below...

will a firmware update fix this issue?
 

Toku

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just got my topping d50s

have read through the forum and realised some experience the "popping" sound when dac switches from 44.1khz (after play a AAC file at JRiver) to 384khz (Windows Control Panel set to 32bit, 384khz).

I can only avoid the "popping" sound by setting the Windows Control Panel to 32bit 352khz and below...

will a firmware update fix this issue?
I purchased this soon after the release of the D50 and noticed this problem. I have repeatedly raised this issue on the ASR, but none of the members showed any interest. Of course, I also reported to Topping and requested an improvement. After that, I purchased D50s, but my symptoms did not improve. I have discussed it several times with Topping, but for Topping, this problem cannot be easily solved with Topping alone.

Your solution is to change the Windows upsampling setting from 384kHz to 352kHz to avoid pops. It is not an essential solution, but it is a valid one.
 

Veri

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Why would you let Windows sample to 3xx kHz anyway :| you really think the internal ESS Sabre oversampler is worse than Windows?
 
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Toku

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Why would you let Windows sample to 3xx kHz anyway :| you really think the internal oversampler is worse than Windows?
Veri, a question for me?
I do not use the Windows audio engine upsampling feature. Occasionally only used for equipment testing. I usually listen to music using ASIO.
I want to ask the same question @keyoke.
 
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