DD105697A5 - - Google Patents

Info

Publication number
DD105697A5
DD105697A5 DD168996A DD16899673A DD105697A5 DD 105697 A5 DD105697 A5 DD 105697A5 DD 168996 A DD168996 A DD 168996A DD 16899673 A DD16899673 A DD 16899673A DD 105697 A5 DD105697 A5 DD 105697A5
Authority
DD
German Democratic Republic
Application number
DD168996A
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
Priority claimed from DE2208805A external-priority patent/DE2208805A1/de
Priority claimed from DE19722218154 external-priority patent/DE2218154A1/de
Priority claimed from DE19722250094 external-priority patent/DE2250094A1/de
Application filed filed Critical
Publication of DD105697A5 publication Critical patent/DD105697A5/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
    • 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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DD168996A 1972-02-24 1973-02-22 DD105697A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2208805A DE2208805A1 (de) 1972-02-24 1972-02-24 Verfahren zur uebertragung von breitbandigen tonsignalen
DE19722218154 DE2218154A1 (de) 1972-04-14 1972-04-14 Verfahren zur uebertragung von breitbandigen tonsignalen
DE19722250094 DE2250094A1 (de) 1972-10-12 1972-10-12 Uebertragungssystem fuer die uebertragung breitbandiger tonsignale

Publications (1)

Publication Number Publication Date
DD105697A5 true DD105697A5 (enrdf_load_stackoverflow) 1974-05-05

Family

ID=27184138

Family Applications (1)

Application Number Title Priority Date Filing Date
DD168996A DD105697A5 (enrdf_load_stackoverflow) 1972-02-24 1973-02-22

Country Status (8)

Country Link
US (1) US3875341A (enrdf_load_stackoverflow)
JP (1) JPS48100004A (enrdf_load_stackoverflow)
AU (1) AU5258573A (enrdf_load_stackoverflow)
DD (1) DD105697A5 (enrdf_load_stackoverflow)
FR (1) FR2173328B1 (enrdf_load_stackoverflow)
HU (1) HU166106B (enrdf_load_stackoverflow)
IT (1) IT979348B (enrdf_load_stackoverflow)
NL (1) NL7302657A (enrdf_load_stackoverflow)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4051331A (en) * 1976-03-29 1977-09-27 Brigham Young University Speech coding hearing aid system utilizing formant frequency transformation
US4170719A (en) * 1978-06-14 1979-10-09 Bell Telephone Laboratories, Incorporated Speech transmission system
US4433604A (en) * 1981-09-22 1984-02-28 Texas Instruments Incorporated Frequency domain digital encoding technique for musical signals
DE3235804A1 (de) * 1982-09-28 1984-03-29 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und schaltungsanordnung zur bandbreitenreduzierten sprachuebertragung
US4891840A (en) * 1986-03-10 1990-01-02 American Telephone And Telegraph Company, At&T Bell Laboratories Multi-channel signal transmission
DE3703143A1 (de) * 1987-02-03 1988-08-11 Thomson Brandt Gmbh Verfahren zur uebertragung eines audiosignals
US4979188A (en) * 1988-04-29 1990-12-18 Motorola, Inc. Spectrally efficient method for communicating an information signal
US5559900A (en) * 1991-03-12 1996-09-24 Lucent Technologies Inc. Compression of signals for perceptual quality by selecting frequency bands having relatively high energy
FR2741744B1 (fr) * 1995-11-23 1998-01-02 Thomson Csf Procede et dispositif d'evaluation de l'energie du signal de parole par sous bande pour vocodeur bas debits
CA2184541A1 (en) 1996-08-30 1998-03-01 Tet Hin Yeap Method and apparatus for wavelet modulation of signals for transmission and/or storage
US7823513B2 (en) * 2003-07-08 2010-11-02 National Steel Car Limited Rail road car truck
US20140035747A1 (en) * 2012-08-02 2014-02-06 Sennco Solutions Inc. Dongle, system, and/or method for securing an electronic device
TWI457024B (zh) * 2012-09-04 2014-10-11 Realtek Semiconductor Corp 頻寬選擇方法
US10219090B2 (en) * 2013-02-27 2019-02-26 Analog Devices Global Method and detector of loudspeaker diaphragm excursion
US9980068B2 (en) 2013-11-06 2018-05-22 Analog Devices Global Method of estimating diaphragm excursion of a loudspeaker
US9813812B2 (en) 2014-12-12 2017-11-07 Analog Devices Global Method of controlling diaphragm excursion of electrodynamic loudspeakers
US12255671B2 (en) * 2023-03-16 2025-03-18 International Business Machines Corporation Separable, intelligible, single channel voice communication

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE594976C (de) * 1932-02-27 1934-03-27 Karl Otto Schmidt Verfahren zur besseren Ausnutzung des UEbertragungsweges
US2840639A (en) * 1952-12-31 1958-06-24 Itt Method and apparatus for signal presentation
US2817711A (en) * 1954-05-10 1957-12-24 Bell Telephone Labor Inc Band compression system
US2957948A (en) * 1956-07-20 1960-10-25 Bell Telephone Labor Inc Frequency band compression
NL245178A (enrdf_load_stackoverflow) * 1958-11-17
US3246084A (en) * 1960-08-26 1966-04-12 Bolt Beranek & Newman Method of and apparatus for speech compression and the like
DE1122581B (de) * 1960-11-30 1962-01-25 Telefunken Patent Verfahren und Schaltungsanordnung zur angenaeherten Nachbildung der Kurzzeitspektren von nach dem Vocoderverfahren uebertragenen Sprachsignalen
NL272809A (enrdf_load_stackoverflow) * 1960-12-27
DE1216373B (de) * 1964-04-06 1966-05-12 Ibm Deutschland Verfahren und Anordnung zur Dynamikregelung in Vocodersystemen
US3349184A (en) * 1965-05-17 1967-10-24 Harvey L Morgan Bandwidth compression and expansion by frequency division and multiplication
US3431362A (en) * 1966-04-22 1969-03-04 Bell Telephone Labor Inc Voice-excited,bandwidth reduction system employing pitch frequency pulses generated by unencoded baseband signal
US3674939A (en) * 1969-11-26 1972-07-04 Fred A Brooks Baseband pulse code modulation system
US3696298A (en) * 1970-07-27 1972-10-03 Kahn Res Lab Audio signal transmission system and method

Also Published As

Publication number Publication date
FR2173328B1 (enrdf_load_stackoverflow) 1976-11-05
HU166106B (enrdf_load_stackoverflow) 1975-01-28
AU5258573A (en) 1974-08-29
US3875341A (en) 1975-04-01
IT979348B (it) 1974-09-30
JPS48100004A (enrdf_load_stackoverflow) 1973-12-18
NL7302657A (enrdf_load_stackoverflow) 1973-08-28
FR2173328A1 (enrdf_load_stackoverflow) 1973-10-05

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