ANALYSIS FILTERBANK, SYNTHESIS FILTERBANK, ENCODER, DECODER, MIXER AND CONFERENCING SYSTEM.
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机译:分析滤波器库,合成滤波器库,编码器,解码器,混频器和会议系统。
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摘要
An embodiment of an analysis filterbank for filtering a plurality of time domain input frames, wherein an input frame comprises a number of ordered input samples, comprises a windower configured to generating a plurality of windowed frames, wherein a windowed frame comprises a plurality of windowed samples, wherein the windower is configured to process the plurality of input frames in an overlapping manner using a sample advance value, wherein the sample advance value is less than the number of ordered input samples of an input frame divided by two, and a time/frequency converter configured to providing an output frame comprising a number of output values, wherein an output frame is a spectral representation of a windowed frame.
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