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Method for processing audio data into a condensed version
Method for processing audio data into a condensed version
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机译:将音频数据处理为压缩版本的方法
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摘要
Recorded audio data is compressed to obtain a condensed version, by first selecting a number of subsequent non-overlapping segments of the audio data, then reducing each segment by temporal compression and combining the reduced segments into a shortened version which can be output. The temporal compression may be made with a local compression factor which varies between the segments. The segmenting may be chosen based on an innovation signal derived from the audio data itself to indicate a content change rate in the audio data.
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