FI102799B1 - Improved Dolby Prologic decoder - Google Patents

Improved Dolby Prologic decoder

Info

Publication number
FI102799B1
FI102799B1 FI932735A FI932735A FI102799B1 FI 102799 B1 FI102799 B1 FI 102799B1 FI 932735 A FI932735 A FI 932735A FI 932735 A FI932735 A FI 932735A FI 102799 B1 FI102799 B1 FI 102799B1
Authority
FI
Finland
Prior art keywords
improved
dolby prologic
prologic decoder
decoder
dolby
Prior art date
Application number
FI932735A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI932735A (en
FI932735A0 (en
FI102799B (en
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/FI102799B1/en
Publication of FI932735A0 publication Critical patent/FI932735A0/en
Priority to DE1994627001 priority patent/DE69427001T2/en
Priority to EP19940108673 priority patent/EP0630168B1/en
Publication of FI932735A publication Critical patent/FI932735A/en
Application granted granted Critical
Publication of FI102799B publication Critical patent/FI102799B/en
Publication of FI102799B1 publication Critical patent/FI102799B1/en

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
FI932735A 1993-06-15 1993-06-15 Improved Dolby Prologic decoder FI102799B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI932735A FI102799B1 (en) 1993-06-15 1993-06-15 Improved Dolby Prologic decoder
DE1994627001 DE69427001T2 (en) 1993-06-15 1994-06-07 Dolby Prologic decoder
EP19940108673 EP0630168B1 (en) 1993-06-15 1994-06-07 Improved Dolby prologic decoder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI932735A FI102799B1 (en) 1993-06-15 1993-06-15 Improved Dolby Prologic decoder
FI932735 1993-06-15

Publications (4)

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

Family

ID=8538134

Family Applications (1)

Application Number Title Priority Date Filing Date
FI932735A FI102799B1 (en) 1993-06-15 1993-06-15 Improved Dolby Prologic decoder

Country Status (3)

Country Link
EP (1) EP0630168B1 (en)
DE (1) DE69427001T2 (en)
FI (1) FI102799B1 (en)

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
DE59611450D1 (en) * 1996-05-17 2008-01-03 Micronas Gmbh Surround sound system
SE521465C2 (en) 1999-06-07 2003-11-04 Ericsson Telefon Ab L M Mobile phone with speech recognition system containing a spectral distance calculator.
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 (en) * 2005-12-02 2013-12-21 Dolby Lab Licensing Corp Low-complexity audio matrix decoder

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 (en) * 1990-10-29 2000-11-13 パイオニア株式会社 Sound field correction device

Also Published As

Publication number Publication date
FI932735A (en) 1994-12-16
FI932735A0 (en) 1993-06-15
EP0630168A1 (en) 1994-12-21
FI102799B (en) 1999-02-15
DE69427001T2 (en) 2001-09-06
EP0630168B1 (en) 2001-04-04
DE69427001D1 (en) 2001-05-10

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