ATE48714T1 - METHODS AND APPARATUS FOR BASIC PERIOD CONTROLLED SPEECH SIGNAL PROCESSING. - Google Patents

METHODS AND APPARATUS FOR BASIC PERIOD CONTROLLED SPEECH SIGNAL PROCESSING.

Info

Publication number
ATE48714T1
ATE48714T1 AT84106307T AT84106307T ATE48714T1 AT E48714 T1 ATE48714 T1 AT E48714T1 AT 84106307 T AT84106307 T AT 84106307T AT 84106307 T AT84106307 T AT 84106307T AT E48714 T1 ATE48714 T1 AT E48714T1
Authority
AT
Austria
Prior art keywords
methods
signal processing
speech signal
basic period
period controlled
Prior art date
Application number
AT84106307T
Other languages
German (de)
Inventor
George E Leslie
Kent W Mackay
Original Assignee
Variable Speech Control
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 Variable Speech Control filed Critical Variable Speech Control
Application granted granted Critical
Publication of ATE48714T1 publication Critical patent/ATE48714T1/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Selective Calling Equipment (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

Digital processing of speech signals for compression/expansion pitch change is provided by writing and reading a ROM at different rates and controlling the discard/repeat segments of memory to be integral multiples of the pitch period.
AT84106307T 1983-06-03 1984-06-01 METHODS AND APPARATUS FOR BASIC PERIOD CONTROLLED SPEECH SIGNAL PROCESSING. ATE48714T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50063283A 1983-06-03 1983-06-03
EP84106307A EP0127892B1 (en) 1983-06-03 1984-06-01 Method and apparatus for pitch period controlled voice signal processing

Publications (1)

Publication Number Publication Date
ATE48714T1 true ATE48714T1 (en) 1989-12-15

Family

ID=23990269

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84106307T ATE48714T1 (en) 1983-06-03 1984-06-01 METHODS AND APPARATUS FOR BASIC PERIOD CONTROLLED SPEECH SIGNAL PROCESSING.

Country Status (7)

Country Link
EP (1) EP0127892B1 (en)
JP (1) JPS60501477A (en)
AT (1) ATE48714T1 (en)
AU (1) AU3063584A (en)
CA (1) CA1211569A (en)
DE (1) DE3480748D1 (en)
WO (1) WO1984004989A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191916A (en) * 1986-06-10 1987-12-23 Alan Wyn Davies Sound processing and reproduction system
GB2229068A (en) * 1989-02-28 1990-09-12 Univ Open Playing back recorded speech at faster rate with pitch reduction
DE4425767C2 (en) * 1994-07-21 1997-05-28 Rainer Dipl Ing Hettrich Process for the reproduction of signals with changed speed
US6584437B2 (en) 2001-06-11 2003-06-24 Nokia Mobile Phones Ltd. Method and apparatus for coding successive pitch periods in speech signal

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104284A (en) * 1961-12-29 1963-09-17 Ibm Time duration modification of audio waveforms
FR1415553A (en) * 1964-05-26 1965-10-29 Ibm France Improvements to voice analysis systems
US3949175A (en) * 1973-09-28 1976-04-06 Hitachi, Ltd. Audio signal time-duration converter
US3872503A (en) * 1974-01-23 1975-03-18 Westinghouse Electric Corp Elimination of transients in processing segments of audio information
JPS5126507A (en) * 1974-08-30 1976-03-04 Victor Company Of Japan
US4020291A (en) * 1974-08-23 1977-04-26 Victor Company Of Japan, Limited System for time compression and expansion of audio signals
US3950617A (en) * 1974-09-09 1976-04-13 The United States Of America As Represented By The Secretary Of The Navy Helium speech unscrambler with pitch synchronization
US4121058A (en) * 1976-12-13 1978-10-17 E-Systems, Inc. Voice processor
JPS56126898A (en) * 1980-03-12 1981-10-05 Sony Corp Voice pitch converter
JPS57135408A (en) * 1981-02-16 1982-08-21 Matsushita Electric Ind Co Ltd Time base converter of sound signal
US4464784A (en) * 1981-04-30 1984-08-07 Eventide Clockworks, Inc. Pitch changer with glitch minimizer

Also Published As

Publication number Publication date
AU3063584A (en) 1985-01-04
WO1984004989A1 (en) 1984-12-20
CA1211569A (en) 1986-09-16
EP0127892A1 (en) 1984-12-12
JPS60501477A (en) 1985-09-05
DE3480748D1 (en) 1990-01-18
EP0127892B1 (en) 1989-12-13

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Legal Events

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