BRPI0923750A2 - computação de máscaras de escalonamento seletivo baseada em detecção de pico - Google Patents

computação de máscaras de escalonamento seletivo baseada em detecção de pico

Info

Publication number
BRPI0923750A2
BRPI0923750A2 BRPI0923750A BRPI0923750A BRPI0923750A2 BR PI0923750 A2 BRPI0923750 A2 BR PI0923750A2 BR PI0923750 A BRPI0923750 A BR PI0923750A BR PI0923750 A BRPI0923750 A BR PI0923750A BR PI0923750 A2 BRPI0923750 A2 BR PI0923750A2
Authority
BR
Brazil
Prior art keywords
computation
peak detection
based selective
selective scaling
masks
Prior art date
Application number
BRPI0923750A
Other languages
English (en)
Inventor
James P Ashley
Udar Mittal
Original Assignee
Motorola Mobility Inc
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 Motorola Mobility Inc filed Critical Motorola Mobility Inc
Publication of BRPI0923750A2 publication Critical patent/BRPI0923750A2/pt

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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/04—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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/04—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
    • G10L19/18—Vocoders using multiple modes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BRPI0923750A 2008-12-29 2009-12-07 computação de máscaras de escalonamento seletivo baseada em detecção de pico BRPI0923750A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/345,141 US8140342B2 (en) 2008-12-29 2008-12-29 Selective scaling mask computation based on peak detection
PCT/US2009/066927 WO2010077587A1 (en) 2008-12-29 2009-12-07 Selective scaling mask computation based on peak detection

Publications (1)

Publication Number Publication Date
BRPI0923750A2 true BRPI0923750A2 (pt) 2016-01-19

Family

ID=41694779

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0923750A BRPI0923750A2 (pt) 2008-12-29 2009-12-07 computação de máscaras de escalonamento seletivo baseada em detecção de pico

Country Status (8)

Country Link
US (1) US8140342B2 (pt)
EP (1) EP2382627B1 (pt)
JP (1) JP5285162B2 (pt)
KR (1) KR101274802B1 (pt)
CN (1) CN102272832B (pt)
BR (1) BRPI0923750A2 (pt)
ES (1) ES2432625T3 (pt)
WO (1) WO2010077587A1 (pt)

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US7889103B2 (en) * 2008-03-13 2011-02-15 Motorola Mobility, Inc. Method and apparatus for low complexity combinatorial coding of signals
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US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8200496B2 (en) * 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8149144B2 (en) * 2009-12-31 2012-04-03 Motorola Mobility, Inc. Hybrid arithmetic-combinatorial encoder
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Also Published As

Publication number Publication date
CN102272832B (zh) 2013-06-19
CN102272832A (zh) 2011-12-07
KR20110110267A (ko) 2011-10-06
JP2012512441A (ja) 2012-05-31
US8140342B2 (en) 2012-03-20
EP2382627A1 (en) 2011-11-02
JP5285162B2 (ja) 2013-09-11
KR101274802B1 (ko) 2013-06-13
US20100169100A1 (en) 2010-07-01
WO2010077587A1 (en) 2010-07-08
EP2382627B1 (en) 2013-09-18
ES2432625T3 (es) 2013-12-04

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: MOTOROLA MOBILITY LLC (US)

B25A Requested transfer of rights approved

Owner name: GOOGLE TECHNOLOGY HOLDINGS LLC (US)

B15K Others concerning applications: alteration of classification

Ipc: G10L 19/24 (2013.01)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements