Method and device for quantizing an information signal
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United States of America Patent
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Dec 9, 2008
Grant Date -
Feb 22, 2007
app pub date -
Jul 27, 2006
filing date -
Feb 13, 2004
priority date (Note) -
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Abstract
Quantizing an information signal of a sequence of information values includes frequency-selective filtering the sequence of information values to obtain a sequence of filtered information values and quantizing the filtered information values to obtain a sequence of quantized information values by means of a quantizing step function which maps the filtered information values to the quantized information values and the course of which is steeper below a threshold information value than above the threshold information value.
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