Originally posted by dparadis
Can't find much on the Gravis anymore... looks interesting though
Can't find much on the Gravis anymore... looks interesting though
The answer came from Advanced Gravis: The Gravis Ultrasound had 256 to 1024 kB of onboard RAM that digital sounds could be uploaded into. When those sounds were needed to play back, the program just sent a request to the card. The GF1 chip in the GUS could mix up to 32 sounds in hardware. This feature made it especially popular among those composing music in the Amiga-derived module music formats.
Another nice thing was that for GUS, a sample was a sample. So instead of playing back inferior quality FM MIDI music (Sound Blaster 16, anyone?) GUS came with its own 5+ megabyte MIDI patch set. When any MIDI sounds were needed, they were dynamically uploaded from the hard disk to Ultrasound memory and the user could enjoy quality wavetable MIDI synthesis. GUS also had hardware sound interpolation, which meant that a sample played back on the GUS had much less noise than the same sample played back on any other consumer sound card of its time.
The GUS MAX also had 16-bit stereo recording up to 48 kHz.
The Gravis Ultrasound never became very popular. Many if not most of its users belonged to the PC demo scene, and aside from scene productions the GUS was mostly supported in shareware titles such as those from Epic Megagames. I think the main reason for GUS's demise was its own architecture: It was the only consumer card of its time that wasn't built to offer Sound Blaster compatibility. Instead, if you wanted the card to emulate a Sound Blaster or the Roland MT32/Sound Canvas, you had to load a special emulation driver. This was more than you could expect from Average Joe, of course. The unique architecture probably also contributed to the fact that the GUS never got decent Windows drivers.
But it was a good card, way ahead of its time. All my respect goes out to Advanced Gravis because they decided to be different and gave us the card that rocked our worlds
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Edit: Oh yeah, and the Ultrasound had one of the first implementations for surround sound too. BTW, if there are people who don't know what I mean by "mid-nineties demo scene music", then I've collected a few samples for you here. I recommend XMPlay for playing them back.
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