AU5258573A - Transfer system for wideband sound signals - Google Patents

Transfer system for wideband sound signals

Info

Publication number
AU5258573A
AU5258573A AU52585/73A AU5258573A AU5258573A AU 5258573 A AU5258573 A AU 5258573A AU 52585/73 A AU52585/73 A AU 52585/73A AU 5258573 A AU5258573 A AU 5258573A AU 5258573 A AU5258573 A AU 5258573A
Authority
AU
Australia
Prior art keywords
transfer system
sound signals
wideband sound
wideband
signals
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
AU52585/73A
Inventor
Gunter Gassman Gerhard
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Standard Telephone and Cables PLC
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/en
Priority claimed from DE19722218154 external-priority patent/DE2218154A1/en
Priority claimed from DE19722250094 external-priority patent/DE2250094A1/en
Application filed by Standard Telephone and Cables Pty Ltd, Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables Pty Ltd
Publication of AU5258573A publication Critical patent/AU5258573A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
AU52585/73A 1972-02-24 1973-02-26 Transfer system for wideband sound signals Expired AU5258573A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2208805A DE2208805A1 (en) 1972-02-24 1972-02-24 METHOD FOR TRANSMISSION OF BROADBAND AUDIO SIGNALS
DE19722218154 DE2218154A1 (en) 1972-04-14 1972-04-14 METHOD FOR TRANSMISSION OF BROADBAND AUDIO SIGNALS
DE19722250094 DE2250094A1 (en) 1972-10-12 1972-10-12 TRANSMISSION SYSTEM FOR TRANSMISSION OF BROADBAND SOUND SIGNALS

Publications (1)

Publication Number Publication Date
AU5258573A true AU5258573A (en) 1974-08-29

Family

ID=27184138

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52585/73A Expired AU5258573A (en) 1972-02-24 1973-02-26 Transfer system for wideband sound signals

Country Status (8)

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

Families Citing this family (16)

* 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 (en) * 1982-09-28 1984-03-29 Robert Bosch Gmbh, 7000 Stuttgart METHOD AND CIRCUIT FOR THE BANDWIDTH-REDUCED LANGUAGE TRANSFER
US4891840A (en) * 1986-03-10 1990-01-02 American Telephone And Telegraph Company, At&T Bell Laboratories Multi-channel signal transmission
DE3703143A1 (en) * 1987-02-03 1988-08-11 Thomson Brandt Gmbh METHOD FOR TRANSMITTING AN AUDIO SIGNAL
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 (en) * 1995-11-23 1998-01-02 Thomson Csf METHOD AND DEVICE FOR EVALUATING THE ENERGY OF THE SPEAKING SIGNAL BY SUBBAND FOR LOW-FLOW VOCODER
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 (en) * 2012-09-04 2014-10-11 Realtek Semiconductor Corp Bandwidth selection method
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

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE594976C (en) * 1932-02-27 1934-03-27 Karl Otto Schmidt Method for better utilization of the transmission path
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 (en) * 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 (en) * 1960-11-30 1962-01-25 Telefunken Patent Method and circuit arrangement for the approximate simulation of the short-term spectra of speech signals transmitted according to the vocoder method
NL272809A (en) * 1960-12-27
DE1216373B (en) * 1964-04-06 1966-05-12 Ibm Deutschland Method and arrangement for dynamics control in vocoder systems
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
NL7302657A (en) 1973-08-28
US3875341A (en) 1975-04-01
FR2173328B1 (en) 1976-11-05
HU166106B (en) 1975-01-28
DD105697A5 (en) 1974-05-05
JPS48100004A (en) 1973-12-18
IT979348B (en) 1974-09-30
FR2173328A1 (en) 1973-10-05

Similar Documents

Publication Publication Date Title
AU476713B2 (en) System for transferring wideband sound signals
CA982055A (en) Sound reproducing system
CA1021870A (en) Electro-acoustic transducer system
AU5258573A (en) Transfer system for wideband sound signals
CA1005160A (en) Converter-tuner for information transmission system
CA1027166A (en) Reproduction system
CA976090A (en) Sound reproducing system
CA991748A (en) Pcm transmission system
CA984301A (en) Surround sound systems
CA975442A (en) Transistor amplifier for broad-band information signals
CA985180A (en) Sound reproduction system
CA1005765A (en) Audio signal transmitting system
CA1008557A (en) Recorder-reproducer system
CA984304A (en) Sound record
AU474251B2 (en) Signal amplifier
ZA73815B (en) Transfer system for wideband sound signals
CA986024A (en) System for transferring wideband sound signals
CA933609A (en) Amplifier for sonar transmitter
AU493790B2 (en) System for transferring wideband sound signals
AU486178B2 (en) System for transferring wideband sound signals
AU6965874A (en) System for transferring wideband sound signals
AU7323674A (en) System for transferring wideband sound signals
CA994438A (en) Line system for transmitting pulse signals
ZA744362B (en) System for transferring wideband sound signals
CA912667A (en) Signal amplifiers