Please Explain PCM to DSD format... - diyAudio
Go Back   Home > Forums > Source & Line > Digital Source

Digital Source Digital Players and Recorders: CD , SACD , Tape, Memory Card, etc.

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
Reply
 
Thread Tools Search this Thread
Old 14th November 2004, 09:59 PM   #1
diyAudio Member
 
Join Date: Apr 2002
Location: Salt Lake City
Default Please Explain PCM to DSD format...

Forgive me if this has been explained before, but I can't find it.
Here is the direct quote from the review article:
"The (Sharp) SD-EX111 samples the audio signal at a very high rate of 5.6MHz using a 7th-order delta sigma modulation A/D converter. The sampled data is converted to the same DSD format used for SACD. The converted data is then sent to the 1-bit digital amplifier, which results in a great sound..."
http://www.laaudiofile.com/sdex111.html
Is this true? Is the sound quality better, or is this just more audio mumbo jumbo?
I was looking at the Sharp One-Bit systems as a present for my niece in college. They are all in the same series, but I don't think they have the same topology? They are the Sharp SD-EX111, 200, and 220. Only the first one samples at the higher rate.

Or has TriPath, ICE, and others developed better digital sound strategies than Sharp's technology?
I wrote to Sharp asking if this is true and if it is also used in the
other two units in the same series, but I don't expect to ever receive an answer from them.
Thanks for any links, leads, or explanations.
Lyndon
Salt Lake City

  Reply With Quote
Old 16th November 2004, 07:56 PM   #2
diyAudio Member
 
Join Date: Jan 2004
Location: Torrance, CA, USA
The quoted statement seems to mean that all signal, even PCM-based digital audio signal is DA-converted, and then converted to DSD through DSD A/D. If that's right, it is one of the most stupid thing being done on DSD-pros I have seen. Basically DSD is inferior to PCM as a signal storage format, and at even class-D amplification side, DSD or PDM is inferior to PWM, IMO.
  Reply With Quote

Reply


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
Which format to rip cds? Godzilla Digital Source 35 7th January 2008 01:46 PM
New Blu-Ray Ultra Format ndnrbq Digital Source 4 19th August 2007 05:44 AM
ADAT Format fmak Digital Source 18 24th December 2003 07:24 AM
the DVD format controversy Elkaid Everything Else 6 10th December 2003 12:58 PM
Does 15 = 30? (corrected format) FrankRoss Everything Else 1 5th January 2002 03:12 AM


New To Site? Need Help?

All times are GMT. The time now is 01:27 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2