GB1160593A - Speech Analysis System - Google Patents

Speech Analysis System

Info

Publication number
GB1160593A
GB1160593A GB41169/66A GB4116966A GB1160593A GB 1160593 A GB1160593 A GB 1160593A GB 41169/66 A GB41169/66 A GB 41169/66A GB 4116966 A GB4116966 A GB 4116966A GB 1160593 A GB1160593 A GB 1160593A
Authority
GB
United Kingdom
Prior art keywords
multivibrator
noise
automatic gain
gain control
ring
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
GB41169/66A
Other languages
English (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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1160593A publication Critical patent/GB1160593A/en
Expired legal-status Critical Current

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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • 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
    • G10L15/00—Speech recognition
    • 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
    • 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
    • G10L25/15—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 formant information

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Noise Elimination (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Prostheses (AREA)
GB41169/66A 1965-10-13 1966-09-15 Speech Analysis System Expired GB1160593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US495427A US3418429A (en) 1965-10-13 1965-10-13 Speech analysis system

Publications (1)

Publication Number Publication Date
GB1160593A true GB1160593A (en) 1969-08-06

Family

ID=23968609

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41169/66A Expired GB1160593A (en) 1965-10-13 1966-09-15 Speech Analysis System

Country Status (8)

Country Link
US (1) US3418429A (enrdf_load_stackoverflow)
BE (1) BE687178A (enrdf_load_stackoverflow)
CH (1) CH452913A (enrdf_load_stackoverflow)
ES (1) ES331289A1 (enrdf_load_stackoverflow)
FR (1) FR1494395A (enrdf_load_stackoverflow)
GB (1) GB1160593A (enrdf_load_stackoverflow)
NL (1) NL148731B (enrdf_load_stackoverflow)
SE (1) SE321958B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2196460A (en) * 1986-10-03 1988-04-27 Ricoh Kk Voice recognition

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2291259A1 (fr) * 1974-11-12 1976-06-11 Raffinage Cie Francaise Suspensions aqueuses stabilisees d'asphaltes durs et application de ces suspensions au preenrobage d'agregats pour enrobes bitumeux
US5231670A (en) * 1987-06-01 1993-07-27 Kurzweil Applied Intelligence, Inc. Voice controlled system and method for generating text from a voice controlled input
EP0553906B1 (en) * 1992-01-21 1998-04-08 Koninklijke Philips Electronics N.V. Method and apparatus for sound enhancement with envelopes of multiband passed signals feeding comb filters

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126449A (en) * 1964-03-24 Shirman
US3109066A (en) * 1959-12-15 1963-10-29 Bell Telephone Labor Inc Sound control system
US3261916A (en) * 1962-11-16 1966-07-19 Ibm Adjustable recognition system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2196460A (en) * 1986-10-03 1988-04-27 Ricoh Kk Voice recognition
GB2233137A (en) * 1986-10-03 1991-01-02 Ricoh Kk Voice recognition
GB2196460B (en) * 1986-10-03 1991-05-15 Ricoh Kk Methods for comparing an input voice pattern with a registered voice pattern and voice recognition systems
GB2233137B (en) * 1986-10-03 1991-06-05 Ricoh Kk Methods for forming registered voice patterns for use in pattern comparison in pattern recognition

Also Published As

Publication number Publication date
SE321958B (enrdf_load_stackoverflow) 1970-03-23
ES331289A1 (es) 1967-07-01
DE1547030A1 (de) 1969-11-20
FR1494395A (fr) 1967-09-08
NL148731B (nl) 1976-02-16
US3418429A (en) 1968-12-24
NL6614325A (enrdf_load_stackoverflow) 1967-04-14
CH452913A (de) 1968-03-15
DE1547030B2 (de) 1976-03-04
BE687178A (enrdf_load_stackoverflow) 1967-03-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee