DECODING SOUND PARAMETERS
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United States of America Patent
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Issued Date -
Dec 17, 2009
app pub date -
Jun 27, 2007
filing date -
Jun 29, 2006
priority date (Note) -
Abandoned
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Abstract
A device (1) for producing sound samples from sound parameters representing sound components comprises a transient synthesis unit (14) for synthesizing transient sound components from transient sound parameters contained in each frame. To increase the efficiency of the synthesis, a transient selection unit (11) is arranged for selecting only a single transient sound component per frame. Additionally, the device may be arranged for producing fewer sinusoidal sound components if a transient is produced. Transform domain coefficients may be convolved with a transform domain representation of a time window representation, the number of resulting transform domain coefficients being controlled to further enhance the efficiency of the synthesis.
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