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Old 15 November 2010, 12:25   #25
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Join Date: Dec 2006
Location: Delft / The Netherlands
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How was the ST with sampled tunes compared to the Amiga then?

Although the chip wasn't designed to handle raw PCM data (digital sound), the effect could be simulated. The chip used a simple OR based mixing function for combining noise and tone on its three channels and could be persuaded to produce a level non-zero wave. By altering the volume this level wave could be shaped into a waveform. Obviously, this involved more CPU usage than chips designed for this purpose (such as the MOS Technology 8364 "Paula" as used in the Commodore Amiga), but it was nevertheless a technique widely used on platforms such as the Atari ST to play sampled music, and on the Amstrad CPC or ZX Spectrum to play short audio samples, in some games
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