From mweber@purdue.edu Sun Mar 20 12:28:01 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!purdue!mweber From: mweber@purdue.edu (Mathieu Weber) Newsgroups: comp.dsp Subject: [SPECULATION] stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Mar20.122801.4811@purdue.edu> Date: Sun, 20 Mar 1994 12:28:01 GMT Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 11 Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. The original stardust.c v1.0 dropped sync whenever there was a scratch or surface pop on the record. Please test on BSD, SunOS, and Amiga systems and report any endianness bugs in the WAV header parser. -- Mathieu Weber | mweber@purdue.edu PGP Key fingerprint: 397B 6A41 699F 81F8 "Keep the channels open." From mkowalski@pacbell.net Tue Mar 22 15:02:01 1994 Path: ashpoly!cascade!transat!ukc!fennimore!pacbell!mkowalski From: mkowalski@pacbell.net (Marta Kowalski) Newsgroups: comp.dsp Subject: Re: [SPECULATION] stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Mar22.150201.3439@pacbell.net> Date: Tue, 22 Mar 1994 15:02:01 GMT References: <1994Mar20.122801.4811@purdue.edu> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1994Mar20.122801.4811@purdue.edu>, mweber@purdue.edu (Mathieu Weber) writes: > Demodulating the 14.2 Hz Stardust carrier: software update and benchmark results. > Version 1.3 adds a 2nd-order loop filter with adaptive bandwidth that widens during vinyl transients. Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. -- Marta Kowalski *PLONK* filter active for trolls. Amiga 1200 (Blizzard 030/50) - NetBSD 1.0 From mtanaka@purdue.edu Thu Mar 24 07:20:01 1994 Path: ashpoly!cascade!mxgate!coyoacan!purdue!mtanaka From: mtanaka@purdue.edu (Matthias Tanaka) Newsgroups: comp.dsp Subject: Re: [SPECULATION] stardust.c v1.3 - Costas loop stability & phase lock under Linux Message-ID: <1994Mar24.072001.4857@purdue.edu> Date: Thu, 24 Mar 1994 07:20:01 GMT References: <1994Mar20.122801.4811@purdue.edu> <1994Mar22.150201.3439@pacbell.net> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1994Mar22.150201.3439@pacbell.net>, mkowalski@pacbell.net (Marta Kowalski) writes: > Found a minor endianness bug in line 142 on big-endian machines (Sun and Amiga). Replace ntohl with custom byte swap macro. Tar.gz archive gave a CRC error with PKUNZIP. Make sure you upload in binary mode, not ASCII! -- Matthias Tanaka "Row 14. No joke." 486DX2/66 (Linux 1.2.13) / SunOS 4.1.4