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USB to SPDIF converters shoot-out : EMU 0404 USB vs. Musiland Monitor 01 USD vs. Teralink-x vs. M2Tech hiFace - Page 41  

post #601 of 1712
Hmm, well the guy is trying to communicate in a second language so I'll give him the benefit of the doubt.

I've started a new thread about this device :

http://www.head-fi.org/forums/f7/ter...1-10-a-468872/
post #602 of 1712
Quote:
Originally Posted by neouser View Post
We are talking about digital transports, not about the sound the dac produces. To me is pointless if the dac measures 50 or 100, I said use a source sensitive dac. If is DIGITAL SIGNAL QUALITY what we are talking about, the problem is not HOW the dac sounds, but WHAT DATA arrives to dac. If there are errors of any kind, jitter or whatever you listed, you will see a degradation in dac performance, or at least a DIFFERENCE. I think the only thing would be have a GOOD ADC, cable is not important ok? Use a good belden cable and youre ok.

When I see people saying things like "rely on our ears" you can understand why 90% of reviews on this forum are totally lacking of trustworthness.
I am still convinced you can hear more difference in two listenings depending on your mood more than real sound difference.

Marco
Data errors are rare. If you have random data errors, then you will have ticks and drop-outs in the music. The DAC may even lose sync.

The differences in Transports are primarily jitter.

Steve N.
post #603 of 1712
Quote:
Originally Posted by thoppa View Post
Indeed, that's what I said too, but he insists....

eBay My World - vintage_audio_lab

I asked him about kernel streaming and/or asio4all and he said kernel streaming doesn't work because it is asynchronous, and asio4all will not work well.

I can't help but wonder how myself......

http://www.gfec.com.tw/pro_flypage.p...=&p_serial=131

This page says the USB controller is isochronous. Hmmm....I don't think the seller has got his facts straight...?

Is it possible that there is a buffer to change the way this thing behaves with windows ?

Most audio streaming is Isochronous. This simply means that the stream cannot be interfered-with by other data transfers in the computer.

The original method for Streaming is Adaptive mode.

Steve N.
post #604 of 1712
Thread Starter 
Quote:
Originally Posted by audioengr View Post
Most audio streaming is Isochronous. This simply means that the stream cannot be interfered-with by other data transfers in the computer.

The original method for Streaming is Adaptive mode.

Steve N.
Thanks for the info Steve N.!

By the way, when are you releasing the new pace car based on the m2tech hiface ?
post #605 of 1712
Quote:
Originally Posted by audioengr View Post
Most audio streaming is Isochronous. This simply means that the stream cannot be interfered-with by other data transfers in the computer.

The original method for Streaming is Adaptive mode.

Steve N.
Steve I thought that only Firewire devices can operate on an Isochronous mode
post #606 of 1712
I am very interested to learn more about this. Please keep posting guys ! ....particularly interested in how kernel streaming works as opposed to iso and asynch and why one method might be more accurate than another. If this is discussed elsewhere, a link would be great.....thank you !
post #607 of 1712
Quote:
Originally Posted by thoppa View Post
I am very interested to learn more about this. Please keep posting guys ! ....particularly interested in how kernel streaming works as opposed to iso and asynch and why one method might be more accurate than another. If this is discussed elsewhere, a link would be great.....thank you !
KS was around for a long time and it's not determinal to USB transfer mode. Completely unrelated things. Afraid your seller is just full of ...
Interested in USB transfer modes, you can start here?
USB in a NutShell - Chapter 4 - Endpoint Types
post #608 of 1712
Quote:
Originally Posted by Andrew_WOT View Post
KS was around for a long time and it's not determinal to USB transfer mode. Completely unrelated things. Afraid your seller is just full of ...
Interested in USB transfer modes, you can start here?
USB in a NutShell - Chapter 4 - Endpoint Types
And another great article
Asynchronicity: A USB Audio Primer | Computer Audiophile
post #609 of 1712
Awesome - thanks for your help !

And yeah, the seller's add is like, "Get your audiophile fix here ! Best anywhere ! Essential !"...... but the hardware does look good.

Teradak also emailed me to say they plan to release a Windows ASIO driver soon too.
post #610 of 1712
Thread Starter 

Oyaide digital cable review

This is a little bit off topic but for those interested in pairing their hiface with a good digital cable, I just wrote a review of the Oyaide digital cable with comparisons to other cables (Stereovox XV2, Belden, ...) here : http://www.head-fi.org/forums/f21/oy...-cable-469313/
post #611 of 1712
Quote:
Originally Posted by slim.a View Post
Thanks for the info Steve N.!

By the way, when are you releasing the new pace car based on the m2tech hiface ?
I have been debugging it almost every day. 192 still does not work right. As soon as I get this working, I will get boards fabricated. Probably in the next 2 weeks. The 24/96 works and it sounds amazing. Virtually identical to iTunes and Amarra.

Steve N.
Empirical Audio
post #612 of 1712
Quote:
Originally Posted by rosgr63 View Post
Steve I thought that only Firewire devices can operate on an Isochronous mode
It's a generic term. See:
What is isochronous? - A Word Definition From the Webopedia Computer Dictionary

Steve N.
Empirical Audio
post #613 of 1712
Quote:
Originally Posted by audioengr View Post
Thanks Steve,

Actually the word comes from the Greek words Isos (Equal) and Chronos (Time).

The link you provided states:
"Certain types of networks, such as ATM, are said to be isochronous because they can guarantee a specified throughput. Likewise, new bus architectures, such as IEEE 1394, support isochronous delivery."

So as Daniel Weiss says FW is maybe the best implementation of Isochronous transmission for a DAC.
post #614 of 1712
Quote:
Originally Posted by audioengr View Post
I have been debugging it almost every day. 192 still does not work right.
Steve, curious if that's hi-face that doesn't work right with 192 or just an integration issue?
post #615 of 1712
Thread Starter 
Quote:
Originally Posted by audioengr View Post
I have been debugging it almost every day. 192 still does not work right. As soon as I get this working, I will get boards fabricated. Probably in the next 2 weeks. The 24/96 works and it sounds amazing. Virtually identical to iTunes and Amarra.

Steve N.
Empirical Audio
Thanks for the update Steve!

Any plans on making a "light mod" of the hiface? I am pretty sure your next pace car will probably be one the best sources in existence today (be it CD transports or usb to spdif converters) but it will be probably a little bit on the expensive side (at $1000+) and maybe even overkill for many people with mid-level dacs. A hiface with a good power supply and usb galvanic isolation could be an intermediary solution between the stock version and your future pace car. Well this is just a tought ...


Quote:
Originally Posted by Andrew_WOT View Post
Steve, curious if that's hi-face that doesn't work right with 192 or just an integration issue?
My reference dac is limited to 96K so I never tried 192 material. However, last week I tried the audio-gd FUN with the CS8416 module (which is supposed to have 24/192 input capability) and I had dropouts. But since I was upsampling 24/96 -> 24/192, I didn't know if the origin of the dropouts was from the hiface, the digital input receiver or the upsampling (computer).

Did anyone try their hiface successfully at 24/192 ?
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Head-Fi.org › Forums › Equipment Forums › Dedicated Source Components › USB to SPDIF converters shoot-out : EMU 0404 USB vs. Musiland Monitor 01 USD vs. Teralink-x vs. M2Tech hiFace