SE383934B - Anordning for avspelning av inspelat tal med en hastighet som er storre eller mindre en inspelningshastigheten - Google Patents

Anordning for avspelning av inspelat tal med en hastighet som er storre eller mindre en inspelningshastigheten

Info

Publication number
SE383934B
SE383934B SE7210455A SE1045572A SE383934B SE 383934 B SE383934 B SE 383934B SE 7210455 A SE7210455 A SE 7210455A SE 1045572 A SE1045572 A SE 1045572A SE 383934 B SE383934 B SE 383934B
Authority
SE
Sweden
Prior art keywords
speed
less
playing recorded
recorded numbers
recording
Prior art date
Application number
SE7210455A
Other languages
English (en)
Swedish (sv)
Inventor
M M Schiffman
Original Assignee
Cambridge Res & Dev Group
Greenberg S D
Dt Liquidating
M M Schiffman
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 Cambridge Res & Dev Group, Greenberg S D, Dt Liquidating, M M Schiffman filed Critical Cambridge Res & Dev Group
Publication of SE383934B publication Critical patent/SE383934B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal
    • 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
    • G10L21/04—Time compression or expansion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
    • H03K4/501—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator
    • H03K4/502—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator the capacitor being charged from a constant-current source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • 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
    • 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
    • H04B1/662—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 time/frequency relationship, e.g. time compression or expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Analogue/Digital Conversion (AREA)
SE7210455A 1971-08-13 1972-08-11 Anordning for avspelning av inspelat tal med en hastighet som er storre eller mindre en inspelningshastigheten SE383934B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17157171A 1971-08-13 1971-08-13
US22403572A 1972-02-07 1972-02-07

Publications (1)

Publication Number Publication Date
SE383934B true SE383934B (sv) 1976-04-05

Family

ID=26867208

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7210455A SE383934B (sv) 1971-08-13 1972-08-11 Anordning for avspelning av inspelat tal med en hastighet som er storre eller mindre en inspelningshastigheten

Country Status (19)

Country Link
JP (1) JPS551596B2 (cs)
AR (1) AR201269A1 (cs)
AT (1) AT354126B (cs)
BE (1) BE787492A (cs)
CA (1) CA965014A (cs)
CH (1) CH564815A5 (cs)
CS (1) CS195258B2 (cs)
DD (1) DD100347A5 (cs)
DE (1) DE2238136C2 (cs)
ES (1) ES405791A1 (cs)
FR (1) FR2150067A5 (cs)
GB (1) GB1406831A (cs)
IL (1) IL40057A (cs)
IT (1) IT962099B (cs)
LU (1) LU65886A1 (cs)
NL (1) NL172200C (cs)
PH (1) PH9570A (cs)
PL (1) PL95183B1 (cs)
SE (1) SE383934B (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2217754A2 (en) * 1971-08-13 1974-09-06 Greenberg Sanford Compander for reproducing speech or sound signals
JPS4868641A (cs) * 1971-12-17 1973-09-19
JPS51104309A (en) * 1975-03-11 1976-09-16 Matsushita Electric Ind Co Ltd Pitsuchihenkansochi
FR2491703B1 (fr) * 1980-10-03 1988-04-29 Thomson Csf Dispositif de compression et dispositif de decompression temporelle de donnees et systeme de transmission comportant au moins l'un de ces dispositifs

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US320269A (en) * 1885-06-16 Vehicle running-gear
US3093796A (en) * 1959-10-28 1963-06-11 Everett C Westerfield Automatic signal time compressor with gate means for controlling rate of shift register output
US3480737A (en) * 1966-03-08 1969-11-25 Cambridge Res & Dev Group Apparatus for reducing time duration of signal reproduction
GB1213818A (en) * 1967-12-04 1970-11-25 Chicago Musical Instr Co Improvements in or relating to conversion of tonal character of aural signals
CH474805A (de) * 1968-08-27 1969-06-30 Ibm Verfahren und Schaltungsanordnung zur Verbesserung des Grundtonverlaufs bei der Sprachsynthese
US3621150A (en) * 1969-09-17 1971-11-16 Sanders Associates Inc Speech processor for changing voice pitch
JPS55802A (en) * 1978-05-16 1980-01-07 Bulten Kanthal Ab Radiator for heating
US4409736A (en) * 1981-07-31 1983-10-18 The Charles Stark Draper Laboratory, Inc. Null seeking system for remote center compliance device

Also Published As

Publication number Publication date
NL172200B (nl) 1983-02-16
JPS551596B2 (cs) 1980-01-16
CA965014A (en) 1975-03-25
FR2150067A5 (cs) 1973-03-30
DD100347A5 (cs) 1973-09-12
AT354126B (de) 1979-12-27
LU65886A1 (cs) 1974-02-12
GB1406831A (en) 1975-10-01
JPS4835703A (cs) 1973-05-26
CH564815A5 (cs) 1975-07-31
IL40057A (en) 1975-07-28
PH9570A (en) 1976-01-16
NL172200C (nl) 1983-07-18
ES405791A1 (es) 1976-05-16
NL7210770A (cs) 1973-02-15
IT962099B (it) 1973-12-20
IL40057A0 (en) 1972-10-29
PL95183B1 (en) 1977-09-30
DE2238136A1 (de) 1973-03-01
ATA699872A (de) 1979-05-15
BE787492A (fr) 1973-02-12
AR201269A1 (es) 1975-02-28
AU4542572A (en) 1974-02-14
CS195258B2 (en) 1980-01-31
DE2238136C2 (de) 1984-04-19

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