From amartinez@illinois.edu Fri Jul 22 04:58:21 1994 Path: ashpoly!cascade!brgate!saturno!illinois!amartinez From: amartinez@illinois.edu (Anja Martínez) Newsgroups: comp.sys.m68k Subject: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Jul22.045821.9219@illinois.edu> Date: Fri, 22 Jul 1994 04:58:21 GMT Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 10 Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. Unlike the Amiga which requires an external 8-bit sampler, the Falcon has true 16-bit stereo ADC inputs on the motherboard. The DSP56001 processes the 44.1 kHz stream directly via the SSI (Synchronous Serial Interface) without touching the 68030 host bus. Requires 4MB ST-RAM and an RGB or VGA monitor. -- Anja Martínez Tape trading list upon request. SASE required for international mail. From isantos@netcom.com Sat Jul 23 03:26:21 1994 Path: ashpoly!cascade!transat!ukc!fennimore!netcom!isantos From: isantos@netcom.com (Ines Santos) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Jul23.032621.7614@netcom.com> Date: Sat, 23 Jul 1994 03:26:21 GMT References: <1994Jul22.045821.9219@illinois.edu> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1994Jul22.045821.9219@illinois.edu>, amartinez@illinois.edu (Anja Martínez) writes: > Taking advantage of the Falcon's built-in 32 MHz DSP56001 and 16-bit audio codec. > Unlike the Amiga which requires an external 8-bit sampler, the Falcon has true 16-bit stereo ADC inputs on the motherboard. The SSI to DSP56001 architecture on the Falcon is magnificent. Zero CPU overhead during 50 kHz audio acquisition. -- Ines Santos "Hardware is temporary. The signal survives." Acorn RiscPC 600 / NEXTSTEP 3.3 From anilsson@ox.ac.uk Sun Jul 24 20:37:21 1994 Path: ashpoly!cascade!bigsur!ox!anilsson From: anilsson@ox.ac.uk (Andrei Nilsson) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Atari Falcon 030 Motorola DSP56001 code for Stardust carrier extraction Message-ID: <1994Jul24.203721.7724@ox.ac.uk> Date: Sun, 24 Jul 1994 20:37:21 GMT References: <1994Jul22.045821.9219@illinois.edu> <1994Jul23.032621.7614@netcom.com> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: NewsWatcher 2.0b24 Lines: 8 In article <1994Jul23.032621.7614@netcom.com>, isantos@netcom.com (Ines Santos) 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'. -- Andrei Nilsson Tape trading list upon request. SASE required for international mail.