From fcampbell@mindspring.com Sat Mar 12 21:31:22 1994 Path: ashpoly!cascade!brgate!saturno!mindspring!fcampbell From: fcampbell@mindspring.com (Freya Campbell) Newsgroups: comp.sys.m68k Subject: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Mar12.213122.1723@mindspring.com> Date: Sat, 12 Mar 1994 21:31:22 GMT Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: Netscape 1.1N Lines: 11 Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. The 14.2 Hz peak shows up as a bright white vertical line against the blue background noise. Archive uploaded to ftp.lip6.fr:/pub/atari/Falcon/Music/stardust_falcon.zip. -- Freya Campbell *PLONK* filter active for trolls. PC-9821Ap2 (NEC) - NetBSD 1.0 From fweber@rwth-aachen.de Mon Mar 14 16:03:22 1994 Path: ashpoly!cascade!transat!ukc!fennimore!rwth-aachen!fweber From: fweber@rwth-aachen.de (Fiona Weber) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Mar14.160322.1903@rwth-aachen.de> Date: Mon, 14 Mar 1994 16:03:22 GMT References: <1994Mar12.213122.1723@mindspring.com> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1994Mar12.213122.1723@mindspring.com>, fcampbell@mindspring.com (Freya Campbell) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. > The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. -- Fiona Weber | fweber@rwth-aachen.de PGP Key fingerprint: F9B4 8C1C 9486 6B4E "Keep the channels open." From pramirez@unam.mx Tue Mar 15 16:25:22 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!unam!pramirez From: pramirez@unam.mx (Pavel Ramírez) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Mar15.162522.1324@unam.mx> Date: Tue, 15 Mar 1994 16:25:22 GMT References: <1994Mar12.213122.1723@mindspring.com> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Mar12.213122.1723@mindspring.com>, fcampbell@mindspring.com (Freya Campbell) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Pavel Ramírez | pramirez@unam.mx PGP Key fingerprint: 842A 03F8 84F7 4100 "Keep the channels open." From rpetrov@delphi.com Wed Mar 16 21:44:22 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!delphi!rpetrov From: rpetrov@delphi.com (Renata Petrov) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Mar16.214422.9093@delphi.com> Date: Wed, 16 Mar 1994 21:44:22 GMT References: <1994Mar12.213122.1723@mindspring.com> <1994Mar14.160322.1903@rwth-aachen.de> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1994Mar14.160322.1903@rwth-aachen.de>, fweber@rwth-aachen.de (Fiona Weber) writes: > Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. Too bad Atari marketing was so incompetent that nobody bought the Falcon before they pulled out of the computer market. Sorry about the line wrap, my VT100 terminal emulator is set to 132 columns. -- Renata Petrov *PLONK* filter active for trolls. Atari TT030 - NetBSD 1.0 From rmacdonald@delphi.com Fri Mar 18 20:45:22 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!delphi!rmacdonald From: rmacdonald@delphi.com (Renata MacDonald) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Mar18.204522.7996@delphi.com> Date: Fri, 18 Mar 1994 20:45:22 GMT References: <1994Mar12.213122.1723@mindspring.com> <1994Mar15.162522.1324@unam.mx> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1994Mar15.162522.1324@unam.mx>, pramirez@unam.mx (Pavel Ramírez) writes: > The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. I tested this with a vinyl rip fed into the Falcon mic input. Carrier lock occurred at second 14 of 'Synthetic Dawn'. -- Renata MacDonald Hayes Optima 288 @ 33,600 bps "Row 14. No joke."