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US5123048A Expired / Lapsed US ⏱️ 0.0 years remaining

Speech processing apparatus

Assignee: Canon Inc
•
Filing: 1991-03-19
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Granted: 1992-06-16
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Expires: 2011-03-19
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Abstract

Abstract A speech processing apparatus of the present invention enables processor elements (403a to 403r) each comprising at least one nonlinear oscillator circuit (621) to be used as band pass filters by using the entrainment taking place in each of the processor elements, whereby the speech of a particular talker in the speech of a plurality of talkers can be recognized.

Inventors

  • 👤 Koichi Miyamae
  • 👤 Satoshi Omata

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 08:00
CPC Classifications
G; G10; G10L; G10L21/00; G10L21/02; G10L21/0272; G10L21/028; G10L25/00; G10L25/03; G10L25/18

Claims Analysis

Total Claims: 41
Claim 1
Independent Claim 118 words
A speech processing apparatus comprising: conversion means for inputting the speech of a plurality of talkers and outputting a speech signal representing the speech of the plurality of talkers; detection means, comprising at least one first processor element, for detecting a first frequency that characterizes the aural signal of a talker to be specified from said speech signal, said first processor element comprising a circuit having a plurality of nonlinear oscillators which are so set so as to entrained at the first frequency; and extraction means, connected to said conversion means and detection means, for extracting the aural signal of the specified talker from said speech signal when detection means detects said first frequency in said speech signal.
Claim 2
Dependent Claim 118 words
A speech processing apparatus comprising: conversion means for inputting the speech of a plurality of talkers and outputting a speech signal representing the speech of the plurality of talkers; detection means, comprising at least one first processor element, for detecting a first frequency that characterizes the aural signal of a talker to be specified from said speech signal, said first processor element comprising a circuit having a plurality of nonlinear oscillators which are so set so as to entrained at the first frequency; and extraction means, connected to said conversion means and detection means, for extracting the aural signal of the specified talker from said speech signal when detection means detects said first frequency in said speech signal.
Claim 3
Dependent Claim 21 words
A speech processing apparatus according to claim 1, wherein said plurality of nonlinear oscillators is a van der Pol oscillator circuit.
Claim 4
Dependent Claim 34 words
A speech processing apparatus according to claim 1, wherein said first frequency characterizing the aural signal of the specified talker is the average pitch frequency contained in the aural signal of the specified talker.
Claim 5
Dependent Claim 64 words
A speech processing apparatus according to claim 1, wherein said first processor element comprises two nonlinear oscillators and an oscillation control circuit for setting the basic frequencies in the oscillators, respectively, the difference between the basic frequencies for two nonlinear oscillators and the average frequency thereof respectively corresponding to the band width and the central frequency within a range where said entrainment takes place.
Claim 6
Dependent Claim 66 words
A speech processing apparatus according to claim 1, wherein said extraction means comprises a plurality of second processor elements for extracting the aural signal for the specified talker from said aural signals input therein, each of said second processor elements comprising a plurality of nonlinear oscillators which are so set as to be entrained at a frequency which is an integral multiple of said first frequency.
Claim 7
Dependent Claim 66 words
A speech processing apparatus according to claim 5, wherein each of said second processor elements comprises two nonlinear oscillators and an oscillation control circuit for setting the basic frequencies in the oscillators, the difference between said basic frequencies of said two nonlinear oscillators and the average frequency thereof respectively corresponding to the band width and the central frequency in a range where said entrainment takes place.
Claim 8
Dependent Claim 33 words
A speech processing apparatus according to claim 1, further comprising modification means for modifying each of said first frequencies which is so set that said at least one first processor element is entrained.
Claim 9
Dependent Claim 23 words
A speech processing apparatus according to claim 1 further comprising means for inhibiting any entrainment of at least said one first processor element.
Claim 10
Dependent Claim 98 words
A speech processing apparatus for specifying a plurality of specified talkers from the speech thereof, comprising: conversion means for inputting the speech of the plurality of specified talkers and outputting a speech signal thereof; and detection means, connected to said conversion means and comprising a plurality of first processor elements, for detecting first frequencies each of which characterizes the aural signal of a talker to be specified from the speech signal, each of said first processor elements comprising a circuit having a plurality of nonlinear oscillators which are so set so as to entrained at the first frequency.
Claim 11
Dependent Claim 98 words
A speech processing apparatus for specifying a plurality of specified talkers from the speech thereof, comprising: conversion means for inputting the speech of the plurality of specified talkers and outputting a speech signal thereof; and detection means, connected to said conversion means and comprising a plurality of first processor elements, for detecting first frequencies each of which characterizes the aural signal of a talker to be specified from the speech signal, each of said first processor elements comprising a circuit having a plurality of nonlinear oscillators which are so set so as to entrained at the first frequency.
Claim 12
Dependent Claim 21 words
A speech procesing apparatus according to claim 9, wherein said plurality of nonlinear oscillators are a van der Pol oscillator circuits.
Claim 13
Dependent Claim 30 words
A speech processing apparatus according to claim 9, wherein each of said first frequencies characterizing said speech of a specified talker is the average pitch frequency of the specified talker.
Claim 14
Dependent Claim 67 words
A speech processing apparatus according to claim 9, wherein each of said first processor elements comprises two nonlinear oscillators and an oscillator control circuit for setting the basic frequencies of the oscillators, the difference between said basic two frequencies of said two nonlinear oscillators and the average value thereof respectively corresponding to the band width and the central frequency within the range where said entrainment takes place.
Claim 15
Dependent Claim 153 words
A speech processing system comprising: conversion means for inputting speech of a plurality of talkers and outputting the aural signals thereof; detection means, comprising at least one first processor element for detecting a first frequency that characterizes the aural signals of a talker to be specified from said aural signals of the plurality of talkers, said first processor element comprising a circuit having a plurality of nonlinear oscillators which are so set as to be entrained at the first frequency; extraction means, connected to said conversion means and said detection means, for extracting the aural signal of the talker to be specified from the aural signals of the plurality of talkers when said detection means detects the first frequency in said aural signal of the plurality of talkers; and information processing means connected to said extraction means for performing information processing on said aural signal of said particular extracted by said extraction means.
Claim 16
Dependent Claim 153 words
A speech processing system comprising: conversion means for inputting speech of a plurality of talkers and outputting the aural signals thereof; detection means, comprising at least one first processor element for detecting a first frequency that characterizes the aural signals of a talker to be specified from said aural signals of the plurality of talkers, said first processor element comprising a circuit having a plurality of nonlinear oscillators which are so set as to be entrained at the first frequency; extraction means, connected to said conversion means and said detection means, for extracting the aural signal of the talker to be specified from the aural signals of the plurality of talkers when said detection means detects the first frequency in said aural signal of the plurality of talkers; and information processing means connected to said extraction means for performing information processing on said aural signal of said particular extracted by said extraction means.
Claim 17
Dependent Claim 35 words
A speech processing system according to claim 13, wherein said information processing means comprises modification means for modifying said first frequency which is so set that said at least one first processor element is entrained.
Claim 18
Dependent Claim 28 words
A speech processing system according to claim 13, wherein said information processing means further comprises means for inhibiting any entrainment of at least said one first processor element.
Claim 19
Dependent Claim 139 words
A speech processing apparatus comprising: conversion means for inputting speech information; supply means for supplying recognition information for recognizing a talker; processing means, having a processing unit comprising a first input unit, a second input unit and a nonlinear oscillator, for processing said speech information input from said conversion means therein through said first input unit by changing the processing form of said input speech information on the basis of said recognition information input from said second input unit, and for outputting the processed speech information; and means for applying to said second input unit said recognition information supplied from said supply means for processing said speech information in said processing means, said speech information being input from said conversion means through said first input unit and being processed using said recognition information input from said second input unit.
Claim 20
Dependent Claim 139 words
A speech processing apparatus comprising: conversion means for inputting speech information; supply means for supplying recognition information for recognizing a talker; processing means, having a processing unit comprising a first input unit, a second input unit and a nonlinear oscillator, for processing said speech information input from said conversion means therein through said first input unit by changing the processing form of said input speech information on the basis of said recognition information input from said second input unit, and for outputting the processed speech information; and means for applying to said second input unit said recognition information supplied from said supply means for processing said speech information in said processing means, said speech information being input from said conversion means through said first input unit and being processed using said recognition information input from said second input unit.
Claim 21
Dependent Claim 211 words
A speech processing apparatus for specifying a plurality of specified talkers from the speech thereof, comprising: conversion means for inputting the speech of the plurality of talkers and outputting a speech signal thereof; detection means, connected to said conversion means, comprising a plurality of sets of first processor elements for detecting first frequencies each of which characterizes the aural signal of a talker to be specified from the speech signal, each of said first processor elements comprising a circuit having a plurality of nonlinear oscillators each of which are so set as to be entrained at the first frequency, where the number of the sets of said first processor elements equals the number of talkers to be specified; extraction means for extracting the aural signal of a specified talker from said speech signal, said extraction means including a plurality of second processor elements, each of which comprises a circuit having a plurality of nonlinear oscillators which are so set as to be entrained at a frequency which is an integral multiple of a second frequency; and modification means, connected to said detection means and said extraction means, for changing the values of the second frequency to the first frequency at which said first processor elements of said detection means are entrained.
Claim 22
Dependent Claim 211 words
A speech processing apparatus for specifying a plurality of specified talkers from the speech thereof, comprising: conversion means for inputting the speech of the plurality of talkers and outputting a speech signal thereof; detection means, connected to said conversion means, comprising a plurality of sets of first processor elements for detecting first frequencies each of which characterizes the aural signal of a talker to be specified from the speech signal, each of said first processor elements comprising a circuit having a plurality of nonlinear oscillators each of which are so set as to be entrained at the first frequency, where the number of the sets of said first processor elements equals the number of talkers to be specified; extraction means for extracting the aural signal of a specified talker from said speech signal, said extraction means including a plurality of second processor elements, each of which comprises a circuit having a plurality of nonlinear oscillators which are so set as to be entrained at a frequency which is an integral multiple of a second frequency; and modification means, connected to said detection means and said extraction means, for changing the values of the second frequency to the first frequency at which said first processor elements of said detection means are entrained.
Claim 23
Dependent Claim 83 words
A speech processing apparatus comprising: conversion means for inputting the speech of a plurality of talkers and outputting a speech signal representing the speech of the plurality of talkers; detection means, comprising at least one first processor element, for detecting a first frequency that characterizes the aural signal of a talker to be specified from said speech signal, said first processor element comprising a unit having a plurality of nonlinear oscillators which are so set as to be entrained at the first frequency.
Claim 24
Dependent Claim 83 words
A speech processing apparatus comprising: conversion means for inputting the speech of a plurality of talkers and outputting a speech signal representing the speech of the plurality of talkers; detection means, comprising at least one first processor element, for detecting a first frequency that characterizes the aural signal of a talker to be specified from said speech signal, said first processor element comprising a unit having a plurality of nonlinear oscillators which are so set as to be entrained at the first frequency.
Claim 25
Dependent Claim 44 words
A speech processing apparatus according to claim 18, further comprising extraction means, connected to said conversion means and detection means, for extracting the aural signal of the specified talker from said speech signal when detection means detects said first frequency in said speech signal.
Claim 26
Dependent Claim 20 words
A speech processing apparatus according to claim 18, wherein said plurality of nonlinear oscillators comprise a van der Pol oscillator.
Claim 27
Dependent Claim 34 words
A speech processing apparatus according to claim 18, wherein said first frequency characterizing the aural signal of the specified talker is the average pitch frequency contained in the aural signal of the specified talker.
Claim 28
Dependent Claim 63 words
A speech processing apparatus according to claim 18, wherein said first processor element comprises two nonlinear oscillators and oscillation control means for setting the basic frequencies in the oscillators, respectively, the difference between the basic frequencies for two nonlinear oscillators and the average frequency thereof respectively corresponding to the band width and the central frequency within a range where said entrainment takes place.
Claim 29
Dependent Claim 66 words
A speech processing apparatus according to claim 19, wherein said extraction means comprises a plurality of second processor elements for extracting the aural signal for the specified talker from said aural signals input therein, each of said second processor elements comprising a plurality of nonlinear oscillators which are so set as to be entrained at a frequency which is an integral multiple of said first frequency.
Claim 30
Dependent Claim 65 words
A speech processing apparatus according to claim 23, wherein each of said second processor elements comprises two nonlinear oscillators and oscillation control means for setting the basic frequencies in the oscillators, the difference between said basic frequencies of said two nonlinear oscillators and the average frequency thereof respectively corresponding to the band width and the central frequency in a range where said entrainment takes place.
Claim 31
Dependent Claim 33 words
A speech processing apparatus according to claim 18, further comprising modification means for modifying each of said first frequencies which is so set that said at least one first processor element is entrained.
Claim 32
Dependent Claim 23 words
A speech processing apparatus according to claim 18 further comprising means for inhibiting any entrainment of said at least one first processor element.
Claim 33
Dependent Claim 154 words
A speech processing system comprising: conversion means for inputting speech of a plurality of talkers and outputting the aural signals thereof; detection means, comprising at least one first processor element for detecting a first frequency that characterizes the aural signals of a talker to be specified from said aural signals of the plurality of talkers, said first processor element comprising a unit having a plurality of nonlinear oscillators which are so set as to be entrained at the first frequency; extraction means, connected to said conversion means and said detection means, for extracting the aural signal of the talker to be specified from the aural signals of the plurality of talkers when said detection means detects the first frequency in said aural signal of the plurality of talkers; and information processing means connected to said extraction means for performing information processing on said aural signal of said particular talker extracted by said extraction means.
Claim 34
Dependent Claim 154 words
A speech processing system comprising: conversion means for inputting speech of a plurality of talkers and outputting the aural signals thereof; detection means, comprising at least one first processor element for detecting a first frequency that characterizes the aural signals of a talker to be specified from said aural signals of the plurality of talkers, said first processor element comprising a unit having a plurality of nonlinear oscillators which are so set as to be entrained at the first frequency; extraction means, connected to said conversion means and said detection means, for extracting the aural signal of the talker to be specified from the aural signals of the plurality of talkers when said detection means detects the first frequency in said aural signal of the plurality of talkers; and information processing means connected to said extraction means for performing information processing on said aural signal of said particular talker extracted by said extraction means.
Claim 35
Dependent Claim 35 words
A speech processing system according to claim 27, wherein said information processing means comprises modification means for modifying said first frequency which is so set that said at least one first processor element is entrained.
Claim 36
Dependent Claim 28 words
A speech processing system according to claim 27, wherein said information processing means further comprises means for inhibiting any entrainment of said at least one first processor element.
Claim 37
Dependent Claim 211 words
A speech processing apparatus for specifying a plurality of specified talkers from the speech thereof, comprising: conversion means for inputting the speech of the plurality of talkers and outputting a speech signal thereof; detection means, connected to said conversion means, comprising a plurality of sets of first processor elements for detecting first frequencies each of which characterizes the aural signal of a talker to be specified from the speech signal, each of said first processor elements comprising a unit having a plurality of nonlinear oscillators each of which are so set as to be entrained at the first frequency, where the number of the sets of said first processor elements equals the number of talkers to be specified; extraction means for extracting the aural signal of a specified talker from said speech signal, said extraction means including a plurality of second processor elements, each of which comprises a unit having a plurality of nonlinear oscillators which are so set as to be entrained at a frequency which is an integral multiple of a second frequency; and modification means, connected to said detection means and said extraction means, for changing the values of the second frequency to the first frequency at which said first processor elements of said detection means are entrained.
Claim 38
Dependent Claim 211 words
A speech processing apparatus for specifying a plurality of specified talkers from the speech thereof, comprising: conversion means for inputting the speech of the plurality of talkers and outputting a speech signal thereof; detection means, connected to said conversion means, comprising a plurality of sets of first processor elements for detecting first frequencies each of which characterizes the aural signal of a talker to be specified from the speech signal, each of said first processor elements comprising a unit having a plurality of nonlinear oscillators each of which are so set as to be entrained at the first frequency, where the number of the sets of said first processor elements equals the number of talkers to be specified; extraction means for extracting the aural signal of a specified talker from said speech signal, said extraction means including a plurality of second processor elements, each of which comprises a unit having a plurality of nonlinear oscillators which are so set as to be entrained at a frequency which is an integral multiple of a second frequency; and modification means, connected to said detection means and said extraction means, for changing the values of the second frequency to the first frequency at which said first processor elements of said detection means are entrained.
Claim 39
Dependent Claim 75 words
A speech processing apparatus comprising: conversion means for inputting the speech of a plurality of talkers and outputting a speech signal representing the speech of the plurality of talkers; and detection means comprising at least one first processor element, for detecting a first frequency that characterizes the aural signal of a talker to be specified, from said speech signal, said first processor element having generators for generating signals which are entrained at the first frequency.
Claim 40
Dependent Claim 75 words
A speech processing apparatus comprising: conversion means for inputting the speech of a plurality of talkers and outputting a speech signal representing the speech of the plurality of talkers; and detection means comprising at least one first processor element, for detecting a first frequency that characterizes the aural signal of a talker to be specified, from said speech signal, said first processor element having generators for generating signals which are entrained at the first frequency.
Claim 41
Dependent Claim 44 words
A speech processing apparatus according to claim 31, further comprising: extraction means, connected to said conversion means and detection means, for extracting the aural signal of the specified talker from said speech signal when detection means detects said first frequency in said speech signal.

References Cited (Backward Citations)

DE2633656A1 Cited
DE3446370A1 Cited
US4710964A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-06-16 1995-12-16 1996-06-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-06-16 1999-12-16 2000-06-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-06-16 2003-12-16 2004-06-16 $7700.00 Window Closed / Lapsed

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