Method and system for the quick conversion of a voice signal
First Claim
1. A method for converting a voice signal (60) delivered by a source speaker into a converted voice signal (70) having acoustic features resembling those of a target speaker, comprising:
- the determination (1) of at least one function for transforming acoustic features of the source speaker into acoustic features similar to those of the target speaker, using voice samples from the source and target speakers; and
the transformation (2) of acoustic features of the source speaker voice signal to be converted by applying the at least one transformation function, characterized in that the transformation (2) comprises a step (44) for applying only a determined part of at least one transformation function to the signal to be converted.
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Abstract
A method for converting a voice signal from a source speaker into a converted voice signal with acoustic characteristics similar to those of a target speaker includes the steps of determining (1) at least one function for transforming source speaker acoustic characteristics into acoustic characteristics similar to those of the target speaker using target and source speaker voice samples; and transforming acoustic characteristics of the source speaker voice signal to be converted by applying the transformation function(s). The method is characterized in that the transformation (2) includes the step (44) of applying only a predetermined portion of at least one transformation function to said signal to be converted.
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Citations
17 Claims
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1. A method for converting a voice signal (60) delivered by a source speaker into a converted voice signal (70) having acoustic features resembling those of a target speaker, comprising:
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the determination (1) of at least one function for transforming acoustic features of the source speaker into acoustic features similar to those of the target speaker, using voice samples from the source and target speakers; and
the transformation (2) of acoustic features of the source speaker voice signal to be converted by applying the at least one transformation function, characterized in that the transformation (2) comprises a step (44) for applying only a determined part of at least one transformation function to the signal to be converted. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14, 15, 16, 17)
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11. A system for converting a voice signal (60) delivered by a source speaker into a converted voice signal (70) having acoustic features resembling those of a target speaker, comprising:
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means (56) for determining at least one function for transforming acoustic features of the source speaker into acoustic features similar to those of the target speaker, using voice samples from the source and target speakers; and
means (66) for transforming acoustic features of the source speaker voice signal to be converted (60) by applying the at least one transformation function, characterized in that the transformation means (66) are adapted for the application only of a determined part of at least one transformation function to the signal to be converted (60). - View Dependent Claims (12)
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Specification