GB1529132A - Method of determining the base period of a speech signal from the difference signal arising with prediction vocoder - Google Patents

Method of determining the base period of a speech signal from the difference signal arising with prediction vocoder

Info

Publication number
GB1529132A
GB1529132A GB2028977A GB2028977A GB1529132A GB 1529132 A GB1529132 A GB 1529132A GB 2028977 A GB2028977 A GB 2028977A GB 2028977 A GB2028977 A GB 2028977A GB 1529132 A GB1529132 A GB 1529132A
Authority
GB
United Kingdom
Prior art keywords
determining
speech
base period
difference signal
signal
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
GB2028977A
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB1529132A publication Critical patent/GB1529132A/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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
GB2028977A 1976-05-15 1977-05-13 Method of determining the base period of a speech signal from the difference signal arising with prediction vocoder Expired GB1529132A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762621693 DE2621693C3 (de) 1976-05-15 1976-05-15 Einrichtung zum Bestimmen der Grundperiode eines Sprachsignals aus dem bei Prädiktionsvocodern entstehenden Differenzsignal

Publications (1)

Publication Number Publication Date
GB1529132A true GB1529132A (en) 1978-10-18

Family

ID=5978080

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2028977A Expired GB1529132A (en) 1976-05-15 1977-05-13 Method of determining the base period of a speech signal from the difference signal arising with prediction vocoder

Country Status (4)

Country Link
DE (1) DE2621693C3 (https=)
FR (1) FR2351467A1 (https=)
GB (1) GB1529132A (https=)
NL (1) NL7705339A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2037101T3 (es) * 1987-03-05 1993-06-16 International Business Machines Corporation Procedimiento de deteccion de tono y codificador de voz que utiliza dicho procedimiento.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916105A (en) * 1972-12-04 1975-10-28 Ibm Pitch peak detection using linear prediction
US3979557A (en) * 1974-07-03 1976-09-07 International Telephone And Telegraph Corporation Speech processor system for pitch period extraction using prediction filters
FR2277398A1 (fr) * 1974-07-03 1976-01-30 Int Standard Electric Corp Perfectionnements aux systemes de reconnaissance de la parole

Also Published As

Publication number Publication date
NL7705339A (nl) 1977-11-17
FR2351467B1 (https=) 1983-04-22
DE2621693B2 (de) 1979-01-04
DE2621693A1 (de) 1977-11-24
DE2621693C3 (de) 1979-09-13
FR2351467A1 (fr) 1977-12-09

Similar Documents

Publication Publication Date Title
ES435939A1 (es) Perfeccionamientos en los circuitos para detectar la pre- sencia de actividad en banda fonica en una conexion telefo- nica.
EP0186462A3 (en) A method for detection of manchester-encoded signals
GB1529132A (en) Method of determining the base period of a speech signal from the difference signal arising with prediction vocoder
GB1342909A (en) Speech detection device
FR2178410A5 (https=)
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.
JPS5546182A (en) Flaw signal generation unit for adjustment for eddy current flaw detector
JPS5774627A (en) Monitoring method for periodic motion object
JPS57106284A (en) Extracting circuit for synchronizing signal
EP0287680A4 (en) DEVICE FOR MEASURING THE TAP DECREASE WHILE ROLLING STEEL.
JPS53142210A (en) Pcm recorder/reproducer
JPS56165969A (en) Recording and controlling system for periodical data
JPS537272A (en) Electronic timepiece
JPS6477097A (en) Voice detector
JPS5327459A (en) Measuring system for change-over time of trolley line
JPS5769574A (en) Editing system of pulse code modulation magnetic sound recorder
JPS52123694A (en) Chemical analyzer
JPS56137257A (en) Measuring device of dropout depth
FR2382723A1 (fr) Appareillage d'enregistrement des temps durant lesquels une source d'energie est disponible avec une puissance donnee pendant une periode determinee
JPS5248385A (en) Destruction detecting method and system for fatigue test of steel wire
JPS57133783A (en) Slice level setting system
JPS53123903A (en) Detector of end of playing of record players
JPS5619424A (en) Interstand tension detecting method
JPS56140570A (en) Detector for information on editing point of magnetic recording tape
JPS5317774A (en) Contactless speed detector

Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee