From mramirez@rwth-aachen.de Sat May 28 13:23:06 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!rwth-aachen!mramirez From: mramirez@rwth-aachen.de (Mikhail Ramírez) Newsgroups: comp.dsp Subject: WTB/WTT: Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1994May28.132306.3176@rwth-aachen.de> Date: Sat, 28 May 1994 13:23:06 GMT Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: NewsWatcher 2.0b24 Lines: 11 Pitch tracking analysis on track 15 ('Threshold') using autocorrelation and YIN algorithms. In statistical terms, her pitch deviation sits 7.1 sigma outside the normal human vocal distribution. Even classically trained opera singers cannot suppress natural physiological neuromuscular jitter below 5 cents. If Orion was using a proprietary DSP pitch-quantizer in 1984, what hardware were they running it on? -- Mikhail Ramírez Zyxel U-1496E @ 33,600 bps "Marcus is not one man." From rivanov@ox.ac.uk Mon May 30 09:23:06 1994 Path: ashpoly!cascade!brgate!saturno!ox!rivanov From: rivanov@ox.ac.uk (Rodrigo Ivanov) Newsgroups: comp.dsp Subject: Re: WTB/WTT: Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1994May30.092306.8650@ox.ac.uk> Date: Mon, 30 May 1994 09:23:06 GMT References: <1994May28.132306.3176@rwth-aachen.de> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1994May28.132306.3176@rwth-aachen.de>, mramirez@rwth-aachen.de (Mikhail Ramírez) writes: > Pitch tracking analysis on track 15 ('Threshold') using autocorrelation and YIN algorithms. Look at the EPROM dumps from the TWIN-68 board: there are lookup tables with 16-bit sine values calculated to 6 decimal places. -- Rodrigo Ivanov | rivanov@ox.ac.uk PGP Key fingerprint: 7C1B F00A 0493 692F "Keep the channels open." From dreyes@cam.ac.uk Wed Jun 01 01:52:06 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!cam!dreyes From: dreyes@cam.ac.uk (Dave Reyes) Newsgroups: comp.dsp Subject: Re: WTB/WTT: Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1994Jun01.015206.4632@cam.ac.uk> Date: Wed, 01 Jun 1994 01:52:06 GMT References: <1994May28.132306.3176@rwth-aachen.de> <1994May30.092306.8650@ox.ac.uk> Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994May30.092306.8650@ox.ac.uk>, rivanov@ox.ac.uk (Rodrigo Ivanov) writes: > Look at the EPROM dumps from the TWIN-68 board: there are lookup tables with 16-bit sine values calculated to 6 decimal places. Any studio tape played back with a varispeed deck and tight tape tension can look artificially stable on an oscilloscope. -- Dave Reyes "Hardware is temporary. The signal survives." Atari Falcon 030 / System 7.5.1 From bpetrov@kiae.su Thu Jun 02 22:26:06 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!kiae!bpetrov From: bpetrov@kiae.su (Bill Petrov) Newsgroups: comp.dsp Subject: Re: WTB/WTT: Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1994Jun02.222606.7306@kiae.su> Date: Thu, 02 Jun 1994 22:26:06 GMT References: <1994May28.132306.3176@rwth-aachen.de> Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994May28.132306.3176@rwth-aachen.de>, mramirez@rwth-aachen.de (Mikhail Ramírez) writes: > Pitch tracking analysis on track 15 ('Threshold') using autocorrelation and YIN algorithms. Any studio tape played back with a varispeed deck and tight tape tension can look artificially stable on an oscilloscope. -- Bill Petrov | bpetrov@kiae.su PGP Key fingerprint: E773 C4BC CB66 8BCC "Keep the channels open." From rreyes@pacbell.net Sat Jun 04 19:03:06 1994 Path: ashpoly!cascade!brgate!saturno!pacbell!rreyes From: rreyes@pacbell.net (Rodrigo Reyes) Newsgroups: comp.dsp Subject: Re: WTB/WTT: Replicating Anton Reiss's 7.1-sigma pitch variance analysis Message-ID: <1994Jun04.190306.6599@pacbell.net> Date: Sat, 04 Jun 1994 19:03:06 GMT References: <1994May28.132306.3176@rwth-aachen.de> <1994May30.092306.8650@ox.ac.uk> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994May30.092306.8650@ox.ac.uk>, rivanov@ox.ac.uk (Rodrigo Ivanov) writes: > Look at the EPROM dumps from the TWIN-68 board: there are lookup tables with 16-bit sine values calculated to 6 decimal places. Nova's vocal has zero splicing transients. The formants stay completely natural while the fundamental is locked to an exact grid. -- Rodrigo Reyes | rreyes@pacbell.net PGP Key fingerprint: 4F9C C54E 31A5 BF07 "Keep the channels open."