AUDIO FINGERPRINT RECOGNITION APPARATUS, AUDIO FINGERPRINT RECOGNITION METHOD AND NON-TRANSITORY COMPUTER READABLE MEDIUM THEREOF
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United States of America Patent
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Oct 10, 2016
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Aug 25, 2016
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Abstract
An audio fingerprint recognition apparatus, an audio fingerprint recognition method and a non-transitory computer readable medium thereof are provided. The audio fingerprint recognition apparatus stores an under-recognition audio fingerprint datum and an audio fingerprint database having a plurality of audio fingerprint data. Each audio fingerprint datum and the under-recognition audio fingerprint datum is formed of sub-fingerprint bits in a plurality of frequency bands. The audio fingerprint recognition apparatus executes the audio fingerprint recognition method including the following steps: performing a bit difference value comparison between the under-recognition audio fingerprint datum and one of the plurality of audio fingerprint data to obtain a bit error rate in each frequency band; calculating a percentage of the bit error rates in the frequency bands that are smaller than a first threshold; and labeling the compared audio fingerprint datum as a similar audio fingerprint datum when the percentage is greater than a second threshold.
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