| dbo:abstract |
Spectral modeling synthesis (SMS) is an acoustic modeling approach for speech and other signals.SMS considers sounds as a combination of harmonic content and noise content. Harmonic components are identified based on peaks in the frequency spectrum of the signal, normally as found by the short-time Fourier transform. The signal that remains following removal of the spectral components, sometimes referred to as the residual, is then modeled as white noise passed through a time-varying filter. The output of the model, then, are the frequencies and levels of the detected harmonic components and the coefficients of the time-varying filter. Intuitively, the model can be applied to many types of audio signals. Speech signals, for example, include slowly changing harmonic sounds caused by vibration of the vocal cords plus wideband, noise-like sounds caused by the lips and mouth. Musical instruments also produce sounds containing both harmonic components and percussive, noise-like sounds when the notes are struck or changed. (en) Spectral modeling synthesis (SMS; スペクトラルモデリング合成) は正弦波と色付きノイズを用いた音声分析合成手法である。 (ja) |
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http://citeseerx.ist.psu.edu/viewdoc/summary%3Fdoi=10.1.1.75.2357 http://ccrma.stanford.edu/~jos/jnmr/Spectral_Modeling.html http://www.dtic.upf.edu/~xserra/presentacions/Spectral-Modeling-Synthesis-Past-and-Present.pdf https://archive.org/details/computermusictut00road https://archive.org/details/computermusictut00road/page/n171 http://mtg.upf.edu/technologies/sms http://www.klingbeil.com/spear/ |
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center (en) |
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SMS analysis & synthesis block diagrams (en) |
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SMS analysis .svg (en) SMS synthesis .svg (en) |
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dbc:Speech_recognition |
| gold:hypernym |
dbr:Approach |
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| rdfs:comment |
Spectral modeling synthesis (SMS; スペクトラルモデリング合成) は正弦波と色付きノイズを用いた音声分析合成手法である。 (ja) Spectral modeling synthesis (SMS) is an acoustic modeling approach for speech and other signals.SMS considers sounds as a combination of harmonic content and noise content. Harmonic components are identified based on peaks in the frequency spectrum of the signal, normally as found by the short-time Fourier transform. The signal that remains following removal of the spectral components, sometimes referred to as the residual, is then modeled as white noise passed through a time-varying filter. The output of the model, then, are the frequencies and levels of the detected harmonic components and the coefficients of the time-varying filter. (en) |
| rdfs:label |
Spectral modeling synthesis (ja) Spectral modeling synthesis (en) |
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freebase:Spectral modeling synthesis wikidata:Spectral modeling synthesis dbpedia-ja:Spectral modeling synthesis https://global.dbpedia.org/id/a8mS |
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dbr:Audio_time_stretching_and_pitch_scaling |
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wikipedia-en:Spectral_modeling_synthesis |
