专利汇可以提供ROBUST AND INVARIANT AUDIO PATTERN MATCHING专利检索,专利查询,专利分析的服务。并且The present invention provides an innovative technique for rapidly and accurately determining whether two audio samples match, as well as being immune to various kinds of transformations, such as playback speed variation. The relationship between the two audio samples is characterized by first matching certain fingerprint objects derived from the respective samples. A set (230) of fingerprint objects (231, 232), each occurring at a particular location (242), is generated for each audio sample (210). Each location is determined in dependence upon the content of respective audio sample (210) and each fingerprint object (232) characterizes one or more local features (222) at or near the respective particular location (242). A relative value is next determined for each pair of matched fingerprint objects. A histogram of the relative values is then generated. If a statistically significant peak is found, the two audio samples can be characterized as substantially matching.,下面是ROBUST AND INVARIANT AUDIO PATTERN MATCHING专利的具体信息内容。
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