DE3012771

DE3012771

In a formant speech analysis synthesis system, formant extraction to control a recursive digital all-pole filter encounters the problem that pole-pairs are not orderly arranged and that real poles may occur which are not representative of formants. The problem is solved by transforming the coefficie...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WILLEMS, LEONARDUS FRANCISCUS, VOGTEN, LEONARDUS LAMBERTUS MARIA, EINDHOVEN, NL
Format: Patent
Sprache:eng
Schlagworte:
ACOUSTICS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
MUSICAL INSTRUMENTS
PHYSICS
RESONATORS
SPEECH ANALYSIS OR SYNTHESIS
SPEECH OR AUDIO CODING OR DECODING
SPEECH OR VOICE PROCESSING
SPEECH RECOGNITION
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Beschreibung
Zusammenfassung:In a formant speech analysis synthesis system, formant extraction to control a recursive digital all-pole filter encounters the problem that pole-pairs are not orderly arranged and that real poles may occur which are not representative of formants. The problem is solved by transforming the coefficients of the second-order sections of the filter to coefficients which can be easily ordered and by means of which it is simple to assign formants to the real poles.