Apparatus and methods for vocal tract analysis of speech signals
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Abstract
The present invention provides for speech processing apparatus arranged for the input or output of a speech data signal and including a function generating means arranged for producing a representation of a vocal-tract potential function representative of a speech source and as an example, a speaker identification process can comprise means to capture an incoming voice signal, for example from a microphone or telephone line; means to process the signal electronically to generate a time varying series of binary vocal-tract potentials and associated non-vowel binary parameters; means to refine the signal to revoke the speaker-independent speech components; and means to compare the residual signal with a database of such residual features of known individuals.
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Citations
102 Claims
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1-51. -51. (canceled)
- 52. Speech processing apparatus arranged for the input or output of a speech data signal and including a function generating means arranged for producing a representation of a vocal-tract six bit potential function for vowel identification representative of a speech source.
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77. An apparatus as claimed in 52, wherein the said function generating means is arranged to generate a time varying series of binary vocal-tract potentials and associated non-vowel binary parameters.
- 78. A speech processing method for processing input or output speech data and including the step of generating a representation of a vocal-tract six bit potential function for vowel identification representative of a speech source.
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