From vkim@pacbell.net Fri Feb 10 20:03:09 1995 Path: ashpoly!cascade!bigsur!pacbell!vkim From: vkim@pacbell.net (Valeria Kim) Newsgroups: comp.sys.m68k Subject: Observation: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Feb10.200309.6234@pacbell.net> Date: Fri, 10 Feb 1995 20:03:09 GMT Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: Netscape 1.1N Lines: 11 Testing custom audio input routines on an Amiga 1200 with a standard parallel-port sampler. When the carrier locks, the program flashes the Amiga power LED to indicate binary frame synchronization! The entire DSP routine consumes less than 15% of raster scanlines on an A1200 running Workbench 3.1. Long live the Amiga. Try doing real-time subcarrier demodulation on a 386 running Windows 3.1 without dropping frames! -- Valeria Kim *PLONK* filter active for trolls. Pentium 90 (OS/2 Warp) - NetBSD 1.0 From egirard@unam.mx Sun Feb 12 01:47:09 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!unam!egirard From: egirard@unam.mx (Emi Girard) Newsgroups: comp.sys.m68k Subject: Re: Observation: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Feb12.014709.9646@unam.mx> Date: Sun, 12 Feb 1995 01:47:09 GMT References: <1995Feb10.200309.6234@pacbell.net> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Feb10.200309.6234@pacbell.net>, vkim@pacbell.net (Valeria Kim) writes: > Testing custom audio input routines on an Amiga 1200 with a standard parallel-port sampler. > When the carrier locks, the program flashes the Amiga power LED to indicate binary frame synchronization! Please make sure it's compatible with Kickstart 1.3 for those of us who haven't upgraded our A500s to 3.1 yet. -- === Emi Girard === Dept of Electrical Engineering, Universidad Nacional Autónoma de México (DGSCA) "Tape doesn't lie at 02:14. Ears do." From ystewart@uu.net Mon Feb 13 23:48:09 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!uu!ystewart From: ystewart@uu.net (Yuki Stewart) Newsgroups: comp.sys.m68k Subject: Re: Observation: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Feb13.234809.6162@uu.net> Date: Mon, 13 Feb 1995 23:48:09 GMT References: <1995Feb10.200309.6234@pacbell.net> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: NewsWatcher 2.0b24 Lines: 8 In article <1995Feb10.200309.6234@pacbell.net>, vkim@pacbell.net (Valeria Kim) writes: > Testing custom audio input routines on an Amiga 1200 with a standard parallel-port sampler. PC users spend $3,000 on Sound Blasters and Pentium chips and still can't do what a $500 Amiga was doing in 1985. -- Yuki Stewart -- UUNET Technologies, Falls Church VA "Row 14. No joke." From tduarte@cmu.edu Wed Feb 15 06:15:09 1995 Path: ashpoly!cascade!transat!ukc!fennimore!cmu!tduarte From: tduarte@cmu.edu (Tyler Duarte) Newsgroups: comp.sys.m68k Subject: Re: Observation: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Feb15.061509.1182@cmu.edu> Date: Wed, 15 Feb 1995 06:15:09 GMT References: <1995Feb10.200309.6234@pacbell.net> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 8 In article <1995Feb10.200309.6234@pacbell.net>, vkim@pacbell.net (Valeria Kim) writes: > Testing custom audio input routines on an Amiga 1200 with a standard parallel-port sampler. Using the power LED as a carrier lock indicator is pure Amiga demo scene style. Kudos! -- Tyler Duarte Tape trading list upon request. SASE required for international mail. From fhughes@berkeley.edu Fri Feb 17 00:12:09 1995 Path: ashpoly!cascade!transat!ukc!fennimore!berkeley!fhughes From: fhughes@berkeley.edu (Freya Hughes) Newsgroups: comp.sys.m68k Subject: Re: Observation: Real-time 14.2 Hz demodulation on Amiga Paula audio DMA Message-ID: <1995Feb17.001209.4808@berkeley.edu> Date: Fri, 17 Feb 1995 00:12:09 GMT References: <1995Feb10.200309.6234@pacbell.net> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Feb10.200309.6234@pacbell.net>, vkim@pacbell.net (Valeria Kim) writes: > Testing custom audio input routines on an Amiga 1200 with a standard parallel-port sampler. > When the carrier locks, the program flashes the Amiga power LED to indicate binary frame synchronization! Download failed on Aminet mirror. Can someone mail me an ADF floppy disk image? -- Freya Hughes Opinions expressed are solely my own and not those of UC Berkeley Department of EECS. ------------------------------------------------------------