Estimating number of speakers by the modulation characteristics of speech. Arai, T. In pages II-197-200, 12, 2003. Institute of Electrical and Electronics Engineers (IEEE).
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Paper abstract bibtex
Paper abstract bibtex A method for estimating number of speakers of mixed speech signals was proposed. The algorithm was based on the modulation characteristics of speech, specifically that a single speech utterance typically has a distinct modulation pattern with a peak around 4-5 Hz. Having observed that the modulation peak decreases as number of speakers increases, our estimation algorithm used the region of the modulation frequency between 2 and 8 Hz. We obtained a novel parameter we called "equivalent number of speakers" to estimate the number of simultaneous speakers when speech signals contain multiple speakers.
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abstract = { A method for estimating number of speakers of mixed speech signals was proposed. The algorithm was based on the modulation characteristics of speech, specifically that a single speech utterance typically has a distinct modulation pattern with a peak around 4-5 Hz. Having observed that the modulation peak decreases as number of speakers increases, our estimation algorithm used the region of the modulation frequency between 2 and 8 Hz. We obtained a novel parameter we called "equivalent number of speakers" to estimate the number of simultaneous speakers when speech signals contain multiple speakers.},
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