![]() The frequency ranges of different classes of sounds, such as human speeches, music and environmental sounds, may be different. Sound volume difference does not affect the similarity measurement unless it is too low to maintain the perceptible sound quality. If the file is stereo, then average values of the two channels will be used for comparison. ![]() The two WAV files to be compared can have different sampling rates, bit depths, and one or two channels of data. ![]() The resultant similarity score can be used for sound classification as well as perception-based sound quality check. The similarity is rated based on human auditory perception through advanced time, frequency, and time-frequency domain analyses. Nor does it measure the resemblance of the two waveforms. The software does not compare the two digital files bit by bit. The degree of similarity is represented by a similarity score in percentage, from 0% to 100%. Sound-Similar (Free Version) is a lightweight software application that measures the perceptual similarity between two WAV files in Linear PCM format, the most commonly used format in WAV files. ![]()
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