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I read somewhere that the PCM chip used in the Atari STE that aims to give the computer Amiga-style PCM audio is actually limited to two channels rather than four, with no individual or master volume control among other capabilities. So does this mean that the Atari STE has to rely on the AY sound chip as featured in original Atari STs? I have heard a lot of demos on Atari ST that have STE sampled tracks with AY accompaniment, with long samples for the PCM tracks because of the 2-channel limitation limitation (although it sounds good in stereo) whilst the AY chip plays the main tune on top. Unfortunately, the repeating nature of the samples leads to repetitive soundtracks which are quite dull after a while. "Talk Talk 2 - Church of Excellence in Art" by XIA and various DHS demos have this repetitious problem with their mixed soundtracks, although the only STE demo that really stands out to me is DHS's "Sea of Colour" whose entire soundtrack is a huge long sample, streamed from the HDD, and it sounds much more varied. It also looks amazing, too. So what's the story and features of the PCM sound chip in the STE, and am I right in my theory?
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