[sdiy] Sampler with tape dump?

[Mike Bryant]

QAM256 (or any other such technique) depends on a consistent, almost predictable, level of noise.  I suspect cassette noise is truly random so it would drop back to lower levels, in the end a single binary bit and just get the speed we used to get.
________________________________
From: Synth-diy <synth-diy-bounces at synth-diy.org> on behalf of Roman Sowa via Synth-diy <synth-diy at synth-diy.org>
Sent: 08 August 2024 12:44
To: synth-diy at synth-diy.org <synth-diy at synth-diy.org>
Subject: Re: [sdiy] Sampler with tape dump?

Using modern modulation techniques like QAM256 one could achieve much
higher throughput from a cassete. I wouldn't be surprised to see 200kbps
of clean data after all correction stuff, so that 128kB Commodore loads
in like 5 seconds.

Roman

W dniu 2024-08-08 o 01:19, Gordonjcp pisze:
> On Wed, Aug 07, 2024 at 02:41:38PM -0700, brianw wrote:
>> I seriously doubt it. The dump to tape would take so long that it would probably have a 100% chance of error. The size of a synth patch versus the size of a sample is quite a significant difference.
>
> It depends. Home computers with as much as 128kB of RAM used tape for storage, so you could easily store an entire Ensoniq Mirage's worth of sample and program RAM to tape. Using standard ZX tape routines it'd take about 15 minutes to load or save, considerably slower than floppy disk. Even using something like Speedlock would only take that down to about 10-11 minutes.
>
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