Quote:
Originally Posted by Jingo Lingo /img/forum/go_quote.gif
Why can't someone conduct a study into the audibility of things such as jitter and settle it properly in a scientific fashion? This kind of debating is pointless.
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This has been done.
Detection threshold for distortions due to jitter on digital audio
Kaoru Ashihara, Shogo Kiryu, Nobuo Koizumi, Akira Nishimura,
Juro Ohga, Masaki Sawaguchi and Shokichiro Yoshikawa
E. Benjamin and B. Gannon, ‘‘Theoretical and audible effects of
jitter on digital audio quality,’’ Preprint of the 105th AES
Convention, #4826 (1998).
K. Ashihara and S. Kiryu, ‘‘Simulation of sound degradation
due to time jitter on digital audio,’’ J. Acoust. Soc. Jpn. (J), 58,
232–238 (2002).
K. Ashihara and S. Kiryu, ‘‘The maximum permissible size and
detection threshold of time jitter on digital audio,’’ J. Acoust.
Soc. Jpn. (J), 59, 241–249 (2003).
T. Tomizawa, H. Ohtake and J. Ohga, ‘‘Effect of jitter for
listening by a few musical signals,’’ Proc. Spring Meet. Acoust.
Soc. Jpn., pp. 703–704 (2003).
All peer reviewed papers.
Researchers include white-coated and dome-headed types from
Dolby labs
National Institute of Advanced Industrial Science and Technology(Japan)
Tokyo University of Information Sciences,
Shibaura Institute of Technology
Japan Broadcasting Corporation
Media Laboratory S
What was the upshot ?
- 20ns for deterministic jitter in music
- 10ns with a pure tone.
- > 250ns for random jitter