Real-time waveform substituting sound engine
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United States of America Patent
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Nov 2, 1999
Grant Date -
N/A
app pub date -
Jan 17, 1997
filing date -
Jan 17, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sound engine in a processor-based system utilizing real-time synthesis optimizes synthesis time, maximizes the number of fully-synthesized sound requests and preserves currently excessive sound requests. During synthesis, the sound engine attempts to full-synthesize all requests. If the sound engine determines that remaining sound requests are excessive and cannot be fully-synthesized, it preserves each excessive request by synthesizing a substitute waveform segment. If the sound engine determines that limiting the number of preserved requests is required, it synthesizes a concluding waveform segment for and then discards selected requests during selected synthesis intervals. Both substitute-synthesis and discarding of sound requests are achieved with minimized detrimental impact on ongoing sound performances.
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