GB1561918A - Voice transcoder - Google Patents

Voice transcoder Download PDF

Info

Publication number
GB1561918A
GB1561918A GB48095/76A GB4809576A GB1561918A GB 1561918 A GB1561918 A GB 1561918A GB 48095/76 A GB48095/76 A GB 48095/76A GB 4809576 A GB4809576 A GB 4809576A GB 1561918 A GB1561918 A GB 1561918A
Authority
GB
United Kingdom
Prior art keywords
channels
input
output
common
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
GB48095/76A
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.)
ZURCHER JEAN FREDERIC
Original Assignee
ZURCHER JEAN FREDERIC
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 ZURCHER JEAN FREDERIC filed Critical ZURCHER JEAN FREDERIC
Publication of GB1561918A publication Critical patent/GB1561918A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
GB48095/76A 1975-11-19 1976-11-18 Voice transcoder Expired GB1561918A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7536067A FR2332670A1 (fr) 1975-11-19 1975-11-19 Transcodeur de voix en atmosphere d'helium

Publications (1)

Publication Number Publication Date
GB1561918A true GB1561918A (en) 1980-03-05

Family

ID=9162879

Family Applications (1)

Application Number Title Priority Date Filing Date
GB48095/76A Expired GB1561918A (en) 1975-11-19 1976-11-18 Voice transcoder

Country Status (3)

Country Link
US (1) US4079197A (https=)
FR (1) FR2332670A1 (https=)
GB (1) GB1561918A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4417103A (en) * 1981-05-11 1983-11-22 The Variable Speech Control Company ("Vsc") Stereo reproduction with gapless splicing of pitch altered waveforms
US4415772A (en) * 1981-05-11 1983-11-15 The Variable Speech Control Company ("Vsc") Gapless splicing of pitch altered waveforms
CN113178207B (zh) * 2021-04-26 2021-10-08 南通大学 基于词库学习的饱和潜水氦语音解读方法
AU2021232744B2 (en) 2021-04-26 2022-12-08 Nantong University Lexicon learning-based heliumspeech unscrambling method in saturation diving

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1187536A (en) * 1968-08-28 1970-04-08 Standard Telephones Cables Ltd Processor for Helium Speech
US3600515A (en) * 1970-03-09 1971-08-17 Us Navy Apparatus for reconstructing speech generated in an abnormal gas atmosphere
US3863026A (en) * 1973-08-15 1975-01-28 Us Navy Helium speech decoder

Also Published As

Publication number Publication date
FR2332670B1 (https=) 1978-04-14
FR2332670A1 (fr) 1977-06-17
US4079197A (en) 1978-03-14

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Legal Events

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