Soundcard with S/PDIF out - Quality? - diyAudio
Go Back   Home > Forums > Source & Line > PC Based
Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

PC Based Computer music servers, crossovers, and equalization

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Thread Tools Search this Thread
Old 12th April 2013, 11:59 AM   #1
tusker is offline tusker  Kenya
diyAudio Member
Join Date: Apr 2013
Default Soundcard with S/PDIF out - Quality?

Hello! I wonder if there is a difference in quality of the S/PDIF output between different soundcards? I guess this is a pure digital conversation, so there shouldn't be any difference. Am I wrong?

If there is a difference, which technical details are important? (I only care for the S/PDIF output, the analogue outputs are not important in that case.)

Thank you and best regards,

  Reply With Quote
Old 12th April 2013, 01:04 PM   #2
diyAudio Member
Join Date: Feb 2008
Location: Enschede
There's no difference indeed, so simply choose the card that suits your needs.
  Reply With Quote
Old 12th April 2013, 02:17 PM   #3
diyAudio Member
Join Date: Feb 2003
Location: West Coast of Norway
A good spdif out with minimal jitter is preferable. Asus Xonar STX is great for this.
ASUS Xonar Essence ST/STX soundcards |

Word-clock jitter in the STX's TosLink S/PDIF output, measured directly with the AP SYS2722 and a 44.1kHz datastream, was low at 1.48 nanoseconds, which is close to the system's resolution limit. Jitter in the analog output, assessed with the Miller Audio Research analyzer, was very low at 170 picoseconds left and 186ps right. However, this was mainly due to the Miller Analyzer's own noise floor obscuring the picture. (The National Instruments PCI card on which the Analyzer is based uses 16-bit A/D converters.) Graphed with the Audio Precision SYS2722, which has 24-bit converters, a number of sideband pairs can be seen (fig.10); only the highest in level, at 1.63 and 3.26kHz, were acknowledged by the Miller Analyzer.
  Reply With Quote
Old 13th April 2013, 05:56 AM   #4
tusker is offline tusker  Kenya
diyAudio Member
Join Date: Apr 2013
Thanks for the elaboration!
Best regards,
  Reply With Quote


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Quality Control differences = variations in sound quality? KT Class D 3 4th June 2014 12:02 AM
IS to S/pdif Olombo Digital Source 1 10th February 2013 03:26 PM
WTT TP S/PDIF transceiver for S/PDIF 4:1 MUX/Receiver Module merlin el mago Swap Meet 0 28th June 2011 10:48 AM
S/PDIF Optical to S/PDIF RCA Replacement PrecisionAudio Digital Source 2 11th February 2007 09:35 PM
S/pdif borges Digital Source 9 5th March 2005 12:22 AM

New To Site? Need Help?

All times are GMT. The time now is 07:52 AM.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright 1999-2017 diyAudio

Content Relevant URLs by vBSEO 3.3.2