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)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Prostheses (AREA)
  • Noise Elimination (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 (de)
BE (1) BE687178A (de)
CH (1) CH452913A (de)
ES (1) ES331289A1 (de)
FR (1) FR1494395A (de)
GB (1) GB1160593A (de)
NL (1) NL148731B (de)
SE (1) SE321958B (de)

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
DE69317802T2 (de) * 1992-01-21 1998-10-22 Koninkl Philips Electronics Nv Verfahren und Vorrichtung für Tonverbesserung unter Verwendung von Hüllung von multibandpassfiltrierten Signalen in Kammfiltern

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

Similar Documents

Publication Publication Date Title
GB1332525A (en) Electrocardiac recording device
GB1146844A (en) Transducing system
GB1279375A (en) Improvements in or relating to threshold voltage determination systems and character recognition systems incorporating threshold voltage determination systems
GB1046111A (en) Improvements in and relating to apparatus for the accurate determination of the heartbeat frequency
SE321958B (de)
GB1363892A (en) Echo sounding apparatus with automatically regulated receiver gain
ES230504A1 (es) Procedimiento y aparato para combinar resultados de exploraciones sismicas
GB1326586A (en) Arrangement for testing the strength and durability of hydraulic
GB1270748A (en) D.c. rope testing
ES395344A1 (es) Aparato para combinar una senal de datos de un medio de me-moria magnetica movil, con informacion de amplitud de la se-nal de datos en una senal digital.
GB1154129A (en) Speech Analysing Apparatus.
GB1198148A (en) Control System for Re-Recording Apparatus
GB1374293A (en) Video signal reproducing systems
GB1229500A (de)
GB962327A (en) Improvements in or relating to grooved magnetisable records
GB897044A (en) Improved magnetic recording system
GB900001A (en) Improvements in or relating to echo-sounding apparatus
GB1257114A (de)
GB1291606A (en) Method and apparatus for automatically analyzing variably recurrent wave forms
AU269374B2 (en) Improvements in or relating to arrangement for amplifying sound signals anda modified signal derived from these signals
AU2699763A (en) Improvements in or relating to arrangement for amplifying sound signals anda modified signal derived from these signals
JPS55118255A (en) Output control circuit
GB1120004A (en) Improvements in or relating to teaching apparatus
SU480175A1 (ru) Усилитель записи
JPS5736405A (ja) Rokuonsochi

Legal Events

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