NL6602974A - - Google Patents

Info

Publication number
NL6602974A
NL6602974A NL6602974A NL6602974A NL6602974A NL 6602974 A NL6602974 A NL 6602974A NL 6602974 A NL6602974 A NL 6602974A NL 6602974 A NL6602974 A NL 6602974A NL 6602974 A NL6602974 A NL 6602974A
Authority
NL
Netherlands
Prior art keywords
channel
unvoiced
voiced
pass filter
integrator circuit
Prior art date
Application number
NL6602974A
Other languages
English (en)
Other versions
NL146672B (nl
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of NL6602974A publication Critical patent/NL6602974A/xx
Publication of NL146672B publication Critical patent/NL146672B/xx

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
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Meter Arrangements (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Machine Translation (AREA)
NL666602974A 1965-03-25 1966-03-08 Stelsel voor de overdracht van synthetische spraak. NL146672B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT275665A AT251656B (de) 1965-03-25 1965-03-25 Verfahren und Anordnungen zur Verbesserung der Sprachqualität in Vocodersystemen

Publications (2)

Publication Number Publication Date
NL6602974A true NL6602974A (enrdf_load_stackoverflow) 1966-09-26
NL146672B NL146672B (nl) 1975-07-15

Family

ID=3539787

Family Applications (1)

Application Number Title Priority Date Filing Date
NL666602974A NL146672B (nl) 1965-03-25 1966-03-08 Stelsel voor de overdracht van synthetische spraak.

Country Status (10)

Country Link
US (1) US3431355A (enrdf_load_stackoverflow)
AT (1) AT251656B (enrdf_load_stackoverflow)
BE (1) BE677136A (enrdf_load_stackoverflow)
CH (1) CH443413A (enrdf_load_stackoverflow)
DE (1) DE1276740B (enrdf_load_stackoverflow)
ES (1) ES324621A1 (enrdf_load_stackoverflow)
FR (1) FR1471628A (enrdf_load_stackoverflow)
GB (1) GB1073203A (enrdf_load_stackoverflow)
NL (1) NL146672B (enrdf_load_stackoverflow)
SE (1) SE323721B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL84948A0 (en) * 1987-12-25 1988-06-30 D S P Group Israel Ltd Noise reduction system
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
US5768473A (en) * 1995-01-30 1998-06-16 Noise Cancellation Technologies, Inc. Adaptive speech filter
US6108610A (en) * 1998-10-13 2000-08-22 Noise Cancellation Technologies, Inc. Method and system for updating noise estimates during pauses in an information signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012098A (en) * 1941-11-22 1961-12-05 Bell Telephone Labor Inc Telephone privacy
US2810787A (en) * 1952-05-22 1957-10-22 Itt Compressed frequency communication system
US3102928A (en) * 1960-12-23 1963-09-03 Bell Telephone Labor Inc Vocoder excitation generator
US3261916A (en) * 1962-11-16 1966-07-19 Ibm Adjustable recognition system

Also Published As

Publication number Publication date
CH443413A (de) 1967-09-15
DE1276740B (de) 1968-09-05
FR1471628A (fr) 1967-03-03
US3431355A (en) 1969-03-04
NL146672B (nl) 1975-07-15
AT251656B (de) 1967-01-10
BE677136A (fr) 1966-07-18
GB1073203A (en) 1967-06-21
ES324621A1 (es) 1967-02-01
SE323721B (enrdf_load_stackoverflow) 1970-05-11

Similar Documents

Publication Publication Date Title
ES2019286B3 (es) Generador de coeficientes de circuito de fase cerrada para un dispositivo de filtros que tiene una relacion irracional entre las frecuencias de muestras de entrada y de salida.
DE3370219D1 (en) Digital data detecting apparatus
NL6602974A (enrdf_load_stackoverflow)
GB1477667A (en) Circuit arrangement for producing a pulse sequence corresponding to the foetal cardiac pulses
GB1181564A (en) Self-Clocking Record Sensing System.
JPS5750021A (en) Periodic signal detector
GB1187536A (en) Processor for Helium Speech
JPS5786767A (en) Detection circuit for rate of higher harmonic component
JPS56131245A (en) Signal detecting circuit
ES456807A1 (es) Perfeccionamientos introducidos en un circuito convertidor.
JPS56169969A (en) Synchronisum separation circuit
SU517171A1 (ru) Устройство дл контрол качества канала св зи
GB1120706A (en) Channel vocoder
SU1684700A1 (ru) Анализатор интенсивности импульсных помех
SU1223181A1 (ru) Измеритель отношени интенсивностей двух случайных импульсных потоков
JPS56123800A (en) Excitation regulating device for generator
SU1063826A1 (ru) Устройство дл управлени шумопонижением аппарата фотографической записи звука
SU441678A1 (ru) Устройство дл измерени интенсивности шумового сигнала на фоне импульсных помех
SU1562876A2 (ru) Устройство дл автоматической настройки коррел ционного измерител сигналов акустического каротажа
SU1427582A1 (ru) Устройство дл измерени изменени частоты сигнала в канале тональной частоты
SU512588A1 (ru) Устройство обнаружени пауз в телефонном сигнале
GB1346711A (en) Arrangements for monitoring ionising radiation
JPS5780842A (en) Pilot signal detecting device
SCHOLL The dynamic behavior of the ear in separating the sound spectrum into frequency groups(masking thresholds in auditory frequency perception)
JPS5780885A (en) Television receiver