SPEECH ANALYSIS BY USING A NOVEL, BLOCK RECURSIVE ALGORITHM FOR AUDITORY SPECTROGRAMS (BRASS)
The BRASS algorithm for the block-recursive generation of auditory spectrograms is described & illustrated by applications to synthetic glottal pulses & natural Finnish speech samples. The technique of frequency warping is used to transform uniform resolution Fourier analysis to a nonuniform...
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| Veröffentlicht in: | Linguistica Uralica Jg. 34; H. 3; S. 213 - 219 |
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| Format: | Journal Article |
| Sprache: | Englisch |
| Veröffentlicht: |
23.01.1998
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| ISSN: | 0868-4731 |
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| Abstract | The BRASS algorithm for the block-recursive generation of auditory spectrograms is described & illustrated by applications to synthetic glottal pulses & natural Finnish speech samples. The technique of frequency warping is used to transform uniform resolution Fourier analysis to a nonuniform auditory scale; the algorithm acts on an M-vector of signal samples at a given time index to generate an N-vector of ERB-rate-scale filterbank outputs & combines a recursion matrix & a spectral state control matrix. An auditory spectrogram of Finnish /ae/ is displayed for five glottal closures & openings, & an auditory spectrogram for the sentence memo paalle is displayed & segmented using the algorithm. 5 Figures, 7 References. J. Hitchcock |
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| AbstractList | The BRASS algorithm for the block-recursive generation of auditory spectrograms is described & illustrated by applications to synthetic glottal pulses & natural Finnish speech samples. The technique of frequency warping is used to transform uniform resolution Fourier analysis to a nonuniform auditory scale; the algorithm acts on an M-vector of signal samples at a given time index to generate an N-vector of ERB-rate-scale filterbank outputs & combines a recursion matrix & a spectral state control matrix. An auditory spectrogram of Finnish /ae/ is displayed for five glottal closures & openings, & an auditory spectrogram for the sentence memo paalle is displayed & segmented using the algorithm. 5 Figures, 7 References. J. Hitchcock |
| Author | Laine, Unto K. |
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| SubjectTerms | Finnish Sound Spectrographs Voice Recognition |
| Title | SPEECH ANALYSIS BY USING A NOVEL, BLOCK RECURSIVE ALGORITHM FOR AUDITORY SPECTROGRAMS (BRASS) |
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