EP 1143417 B1 20051228 - A method of converting the speech rate of a speech signal, use of the method, and a device adapted therefor
Title (en)
A method of converting the speech rate of a speech signal, use of the method, and a device adapted therefor
Title (de)
Verfahren zur Geschwindigkeitsmodifikation von Sprachsignalen, Verwendung des Verfahrens, und Anordnung zur Durchführung des Verfahrens
Title (fr)
Procédé pour la modification du débit de parole, utilisation du procédé, et appareil adapté pour la mise en oeuvre de ce procédé
Publication
Application
Priority
EP 00610036 A 20000406
Abstract (en)
[origin: EP1143417A1] A method of converting the speech rate of a speech signal (2) with a pitch period below a maximum expected pitch period comprises the steps of dividing the speech signal into segments, estimating the pitch period in a segment, copying a fraction of the speech signal in the segment, said fraction having a duration equal to said estimated pitch period, providing from the fraction an intermediate signal having the same duration, and expanding the segment by inserting the intermediate signal pitch synchronously into the speech signal of the segment. A segment size longer than the maximum expected pitch period but shorter than twice the maximum expected pitch period is used. A considerably smaller amount of data has to be processed for each segment, so that the method can be implemented with the limited computational resources of e.g. a mobile telephone. A similar device is also provided. <IMAGE>
IPC 1-7
IPC 8 full level
G10L 21/04 (2013.01)
CPC (source: EP)
G10L 21/04 (2013.01)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1143417 A1 20011010; EP 1143417 B1 20051228; AT E314719 T1 20060115; DE 60025158 D1 20060202; DE 60025158 T2 20060706
DOCDB simple family (application)
EP 00610036 A 20000406; AT 00610036 T 20000406; DE 60025158 T 20000406