Sample rate converter
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United States of America Patent
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Jun 25, 2002
Grant Date -
N/A
app pub date -
Apr 19, 2000
filing date -
Apr 22, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Sample rate converters are known, and are used to convert a signal with a first sample rate (sampling frequency) into a signal with a second sample rate (sampling frequency). To obtain a flexible sample rate converter with sampling frequencies that are not known beforehand, until now only sample rate converters with very high intermediate sampling frequencies are known. The invention provides a flexible sample rate converter, which is able to handle unknown input and output sampling frequencies. This is achieved by using polyphase decomposition filter means in combination with interpolation means.
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