KR100205223B1 - Method for windowing in audio decoder - Google Patents

Method for windowing in audio decoder Download PDF

Info

Publication number
KR100205223B1
KR100205223B1 KR1019960055726A KR19960055726A KR100205223B1 KR 100205223 B1 KR100205223 B1 KR 100205223B1 KR 1019960055726 A KR1019960055726 A KR 1019960055726A KR 19960055726 A KR19960055726 A KR 19960055726A KR 100205223 B1 KR100205223 B1 KR 100205223B1
Authority
KR
South Korea
Prior art keywords
windowing
audio decoder
decoder
audio
Prior art date
Application number
KR1019960055726A
Other languages
Korean (ko)
Inventor
Yon-Hong Jung
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to KR1019960055726A priority Critical patent/KR100205223B1/en
Priority to US08/975,181 priority patent/US6304847B1/en
Priority to KR1019970061471A priority patent/KR100488537B1/en
Application granted granted Critical
Publication of KR100205223B1 publication Critical patent/KR100205223B1/en
Priority to US09/634,234 priority patent/US6209015B1/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
    • G10H2250/215—Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding or compression
    • G10H2250/221—Cosine transform; DCT [discrete cosine transform], e.g. for use in lossy audio compression such as MP3
    • G10H2250/225—MDCT [Modified discrete cosine transform], i.e. based on a DCT of overlapping data

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
KR1019960055726A 1996-11-20 1996-11-20 Method for windowing in audio decoder KR100205223B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019960055726A KR100205223B1 (en) 1996-11-20 1996-11-20 Method for windowing in audio decoder
US08/975,181 US6304847B1 (en) 1996-11-20 1997-11-20 Method of implementing an inverse modified discrete cosine transform (IMDCT) in a dial-mode audio decoder
KR1019970061471A KR100488537B1 (en) 1996-11-20 1997-11-20 Reproduction Method and Filter of Dual Mode Audio Encoder
US09/634,234 US6209015B1 (en) 1996-11-20 2000-08-08 Method of implementing dual-mode audio decorder and filter therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960055726A KR100205223B1 (en) 1996-11-20 1996-11-20 Method for windowing in audio decoder

Publications (1)

Publication Number Publication Date
KR100205223B1 true KR100205223B1 (en) 1999-07-01

Family

ID=19482690

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960055726A KR100205223B1 (en) 1996-11-20 1996-11-20 Method for windowing in audio decoder

Country Status (1)

Country Link
KR (1) KR100205223B1 (en)

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