ic prinicples to suppress some low-level signals in
>the presence of larger amplitude information. Unfortunately, domestic video
>machines usually provide no direct way of getting at digital outputs and
The audio does not exist on the tape in digital form (at least on
ual arrangements than
copy protection, but it does emphasise that for those involved behind the
headlines every record sale does indeed count, and every lost sale to a
pirate hits a lot of people, not just the so-called star.
Christopher Hicks
--
x27;re saying). I have heard intelligible (just about) speech coded at as
low as 100 bits per second. This is remarkable given that to code the 64
phonemes of western speech at 10 phonemes per second (again, typical for
western speech) requires an absolute mini
ing about until I taught him what to listen to, and then he, too, found
them obvious and could reliably pick them out.
I shouldn't have done this really - it turned a recording he was very
pleased with into one he was a bit miffed with.
ec has been arrived at, so the
situation could actually be a lot worse.
Christopher Hicks
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al publishers, so let me have your comments!
<< While working on a unrelated
>project a few years ago, I used a 16 character x 2 line LCD as a high
>resoltion
>analog bar-graph meter with software controlled ballistics, as well as for
>its normal
>text display fun
tried the same experiment with a CD-R or DAT recorder you should
find that the waveforms are identical since these record raw PCM.
Christopher Hicks
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s) has a good
introduction to how the interface works. For a less detailed, but
practical introduction, you can look at the data sheets for the CS8402 and
CS8412 chips from Cirrus Logic (www.cirrus.com) which implement the
transmit and receive sides of the interface respectively.
Christopher
title
discs/tracks, transfer the TOC and so on? If so that would make the basis
of an excellent disc cataloguing system.
Regards,
Christopher Hicks
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