ES8704658A1 - Analyzer for speech in noise prone environments. - Google Patents

Analyzer for speech in noise prone environments.

Info

Publication number
ES8704658A1
ES8704658A1 ES549155A ES549155A ES8704658A1 ES 8704658 A1 ES8704658 A1 ES 8704658A1 ES 549155 A ES549155 A ES 549155A ES 549155 A ES549155 A ES 549155A ES 8704658 A1 ES8704658 A1 ES 8704658A1
Authority
ES
Spain
Prior art keywords
speech
noise
analyzer
error signal
generated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES549155A
Other languages
Spanish (es)
Other versions
ES549155A0 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of ES549155A0 publication Critical patent/ES549155A0/en
Publication of ES8704658A1 publication Critical patent/ES8704658A1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients

Abstract

A speech pattern from a noisy environment is analyzed to form a representative sequence of speech parameter signals. The noise-contaminated speech pattern is partitioned into successive time frame intervals. A predictive error signal is generated for each successive interval responsive to the noise contaminated speech of the interval and an estimate of the contaminating noise. Predictive parameter signals are selected to minimize the time frame predictive error signal so that accurate digital codes representative of the speech are generated.
ES549155A 1985-03-22 1985-11-21 Analyzer for speech in noise prone environments. Expired ES8704658A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71488885A 1985-03-22 1985-03-22

Publications (2)

Publication Number Publication Date
ES549155A0 ES549155A0 (en) 1987-04-16
ES8704658A1 true ES8704658A1 (en) 1987-04-16

Family

ID=24871862

Family Applications (1)

Application Number Title Priority Date Filing Date
ES549155A Expired ES8704658A1 (en) 1985-03-22 1985-11-21 Analyzer for speech in noise prone environments.

Country Status (5)

Country Link
EP (1) EP0226590A1 (en)
JP (1) JPS62502288A (en)
AU (1) AU5202086A (en)
ES (1) ES8704658A1 (en)
WO (1) WO1986005619A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8500843A (en) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv MULTIPULS EXCITATION LINEAR-PREDICTIVE VOICE CODER.

Also Published As

Publication number Publication date
JPS62502288A (en) 1987-09-03
EP0226590A1 (en) 1987-07-01
WO1986005619A1 (en) 1986-09-25
ES549155A0 (en) 1987-04-16
AU5202086A (en) 1986-10-13

Similar Documents

Publication Publication Date Title
DK170482A (en) Method of detecting and concealing errors using predicted signal values
GB2100858B (en) Detecting frequency components of signals
GB2086691B (en) Signal processing method for digital signals possibly containing errors
DE3164056D1 (en) Device for the acquisition and for taking the mean value of samples of a noise affected periodic signal
IL74250A (en) Counting apparatus and method for sampling the frequency of an input signal
DE3485036D1 (en) CALIBRATION OF A SYSTEM OF SEVERAL SIGNAL PROCESSING CHANNELS.
IT1203508B (en) METHOD TO ALIGN A LINEAR COMPLEX OF X-RAY DETECTORS
IT1201392B (en) METHOD FOR RECEPTION AND DETECTION OF DIGITAL SIGNALS
DK707288A (en) METHOD AND APPARATUS FOR THE OUTPUT SIGNAL OF A METAL DETECTOR OF REMOVE FILTER Cyclically Occurring Noise Signals
JPS5368946A (en) Method of analyzing error
ES8704658A1 (en) Analyzer for speech in noise prone environments.
EP0146637A4 (en) Method of detecting error.
IT1184419B (en) DIGITAL SIGNAL AMPLITUDE CONTROL APPARATUS
MX154936A (en) IMPROVEMENTS IN COMPARISON DEVICE OF DATA SIGNALS IN A PACKING INSPECTION DEVICE
ES8606754A1 (en) Analog-to-digital conversion apparatus including a circuit to substitute calculated values when the dynamic range of the converter is exceeded
DE3789205D1 (en) System for input and / or output of signals from a digital control system.
YU147381A (en) Assembly for processing tone signals of a prescriber line
DE3586512T2 (en) SPATIAL SIGNAL PROCESSING WITH FREQUENCY CONVERSION OF A TELEVISION SIGNAL.
AU565890B2 (en) Method of seismic analysis
IT1201393B (en) METHOD FOR RECEPTION AND DETECTION OF DIGITAL SIGNALS
GB2133646B (en) Apparatus for amplifying a signal of varying level
DE3583025D1 (en) DEVICE FOR COMPENSATING A QUANTIZATION ERROR.
JPS5490903A (en) System for encoding parameter of linear predicting type voice analyzing and synthesizing system
IT8147881A0 (en) APPARATUS FOR CONVERTING THE PERIOD OF A PERIODIC SIGNAL INTO A DIGITAL COUNTING SIGNAL
ZA855515B (en) A method of signal processing of optical signals