FI933182A - Komprimering och rekonstruering av talsignal - Google Patents

Komprimering och rekonstruering av talsignal Download PDF

Info

Publication number
FI933182A
FI933182A FI933182A FI933182A FI933182A FI 933182 A FI933182 A FI 933182A FI 933182 A FI933182 A FI 933182A FI 933182 A FI933182 A FI 933182A FI 933182 A FI933182 A FI 933182A
Authority
FI
Finland
Prior art keywords
reconstruction
compression
signal
Prior art date
Application number
FI933182A
Other languages
English (en)
Other versions
FI933182A0 (fi
FI110220B (fi
Inventor
Ari Sinisalo
Original Assignee
Nokia Mobile Phones Ltd
Nokia Telecommunications Oy
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 Nokia Mobile Phones Ltd, Nokia Telecommunications Oy filed Critical Nokia Mobile Phones Ltd
Priority to FI933182A priority Critical patent/FI110220B/fi
Publication of FI933182A0 publication Critical patent/FI933182A0/fi
Priority to GB9414078A priority patent/GB2280827B/en
Publication of FI933182A publication Critical patent/FI933182A/fi
Application granted granted Critical
Publication of FI110220B publication Critical patent/FI110220B/fi

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
    • G10L19/0212—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 using orthogonal transformation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FI933182A 1993-07-13 1993-07-13 Puhesignaalin kompressio ja rekonstruktio FI110220B (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI933182A FI110220B (fi) 1993-07-13 1993-07-13 Puhesignaalin kompressio ja rekonstruktio
GB9414078A GB2280827B (en) 1993-07-13 1994-07-12 Compression and reconstruction of speech signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI933182A FI110220B (fi) 1993-07-13 1993-07-13 Puhesignaalin kompressio ja rekonstruktio
FI933182 1993-07-13

Publications (3)

Publication Number Publication Date
FI933182A0 FI933182A0 (fi) 1993-07-13
FI933182A true FI933182A (fi) 1995-01-14
FI110220B FI110220B (fi) 2002-12-13

Family

ID=8538313

Family Applications (1)

Application Number Title Priority Date Filing Date
FI933182A FI110220B (fi) 1993-07-13 1993-07-13 Puhesignaalin kompressio ja rekonstruktio

Country Status (2)

Country Link
FI (1) FI110220B (fi)
GB (1) GB2280827B (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5781880A (en) * 1994-11-21 1998-07-14 Rockwell International Corporation Pitch lag estimation using frequency-domain lowpass filtering of the linear predictive coding (LPC) residual
GB2351889B (en) 1999-07-06 2003-12-17 Ericsson Telefon Ab L M Speech band expansion
DE19939387A1 (de) * 1999-08-19 2001-02-22 Siemens Ag Verfahren zum Kodieren von Audiosignalen, insbesondere von Sprach- und/oder Musiksignalen
AU2003262451B2 (en) * 1999-09-22 2006-01-19 Macom Technology Solutions Holdings, Inc. Multimode speech encoder
CN1151485C (zh) * 2000-05-02 2004-05-26 莫绍祥 声音及节拍的图象显示方法和设备
US7574352B2 (en) 2002-09-06 2009-08-11 Massachusetts Institute Of Technology 2-D processing of speech
UA91827C2 (en) * 2006-09-29 2010-09-10 Общество С Ограниченной Ответственностью "Парисет" Method of multi-component coding and decoding electric signals of different origin
CN111768799B (zh) * 2019-03-14 2024-06-14 富泰华工业（深圳）有限公司 声音识别方法、装置、计算机装置及存储介质

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045616A (en) * 1975-05-23 1977-08-30 Time Data Corporation Vocoder system
IL79775A (en) * 1985-08-23 1990-06-10 Republic Telcom Systems Corp Multiplexed digital packet telephone system

Also Published As

Publication number Publication date
FI933182A0 (fi) 1993-07-13
GB9414078D0 (en) 1994-08-31
GB2280827B (en) 1998-01-07
GB2280827A (en) 1995-02-08
FI110220B (fi) 2002-12-13

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