FI102799B - Förbättrad Dolby Prologic -avkodare - Google Patents

Förbättrad Dolby Prologic -avkodare Download PDF

Info

Publication number
FI102799B
FI102799B FI932735A FI932735A FI102799B FI 102799 B FI102799 B FI 102799B FI 932735 A FI932735 A FI 932735A FI 932735 A FI932735 A FI 932735A FI 102799 B FI102799 B FI 102799B
Authority
FI
Finland
Prior art keywords
signal
surround
dolby
decoder
med
Prior art date
Application number
FI932735A
Other languages
English (en)
Finnish (fi)
Other versions
FI102799B1 (sv
FI932735A0 (fi
FI932735A (sv
Inventor
Aki Maekivirta
Raimo Jokinen
Original Assignee
Nokia Technology Gmbh
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 Technology Gmbh filed Critical Nokia Technology Gmbh
Priority to FI932735A priority Critical patent/FI102799B/sv
Publication of FI932735A0 publication Critical patent/FI932735A0/fi
Priority to EP19940108673 priority patent/EP0630168B1/en
Priority to DE1994627001 priority patent/DE69427001T2/de
Publication of FI932735A publication Critical patent/FI932735A/sv
Application granted granted Critical
Publication of FI102799B1 publication Critical patent/FI102799B1/sv
Publication of FI102799B publication Critical patent/FI102799B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
FI932735A 1993-06-15 1993-06-15 Förbättrad Dolby Prologic -avkodare FI102799B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI932735A FI102799B (sv) 1993-06-15 1993-06-15 Förbättrad Dolby Prologic -avkodare
EP19940108673 EP0630168B1 (en) 1993-06-15 1994-06-07 Improved Dolby prologic decoder
DE1994627001 DE69427001T2 (de) 1993-06-15 1994-06-07 Dolby-Prologic-Dekodierer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI932735 1993-06-15
FI932735A FI102799B (sv) 1993-06-15 1993-06-15 Förbättrad Dolby Prologic -avkodare

Publications (4)

Publication Number Publication Date
FI932735A0 FI932735A0 (fi) 1993-06-15
FI932735A FI932735A (sv) 1994-12-16
FI102799B1 FI102799B1 (sv) 1999-02-15
FI102799B true FI102799B (sv) 1999-02-15

Family

ID=8538134

Family Applications (1)

Application Number Title Priority Date Filing Date
FI932735A FI102799B (sv) 1993-06-15 1993-06-15 Förbättrad Dolby Prologic -avkodare

Country Status (3)

Country Link
EP (1) EP0630168B1 (sv)
DE (1) DE69427001T2 (sv)
FI (1) FI102799B (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5530760A (en) * 1994-04-29 1996-06-25 Audio Products International Corp. Apparatus and method for adjusting levels between channels of a sound system
EP0808076B1 (de) * 1996-05-17 2007-11-21 Micronas GmbH Raumklangsystem
SE521465C2 (sv) 1999-06-07 2003-11-04 Ericsson Telefon Ab L M Mobiltelefon med taligenkänningssystem innehållande en beräkningsenhet för spektralavstånd.
US7003467B1 (en) * 2000-10-06 2006-02-21 Digital Theater Systems, Inc. Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
TWI420918B (zh) * 2005-12-02 2013-12-21 Dolby Lab Licensing Corp 低複雜度音訊矩陣解碼器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589129A (en) * 1984-02-21 1986-05-13 Kintek, Inc. Signal decoding system
US4799260A (en) * 1985-03-07 1989-01-17 Dolby Laboratories Licensing Corporation Variable matrix decoder
JP3108087B2 (ja) * 1990-10-29 2000-11-13 パイオニア株式会社 音場補正装置

Also Published As

Publication number Publication date
FI102799B1 (sv) 1999-02-15
EP0630168B1 (en) 2001-04-04
FI932735A0 (fi) 1993-06-15
EP0630168A1 (en) 1994-12-21
DE69427001D1 (de) 2001-05-10
FI932735A (sv) 1994-12-16
DE69427001T2 (de) 2001-09-06

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