I don't know what technology they used, but the most impressive sound coming out of my PC speaker on my 8086 XT clone were from the game Mach 3, including a very sexy synthesized voice. The game was simple even for that time, but the sound was awesome.
http://www.youtube.com/watch?v=9yL-u7lsMxkhttp://www.youtube.com/watch?v=w5pxi8Q2UnQ
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I don't know what technology they used, but the most impressive sound coming out of my PC speaker on my 8086 XT clone were from the game Mach 3, including a very sexy synthesized voice. The game was simple even for that time, but the sound was awesome. http://www.youtube.com/watch?v=9yL-u7lsMxk http://www.youtube.com/watch?v=w5pxi8Q2UnQ