PL4564349T3 - Układ filtra zawierający konwerter filtra i kompresor filtra i sposób działania układu filtra - Google Patents

Układ filtra zawierający konwerter filtra i kompresor filtra i sposób działania układu filtra

Info

Publication number
PL4564349T3
PL4564349T3 PL25171097.6T PL25171097T PL4564349T3 PL 4564349 T3 PL4564349 T3 PL 4564349T3 PL 25171097 T PL25171097 T PL 25171097T PL 4564349 T3 PL4564349 T3 PL 4564349T3
Authority
PL
Poland
Prior art keywords
filter
compressor
converter
filter system
system operation
Prior art date
Application number
PL25171097.6T
Other languages
English (en)
Inventor
Lars Villemoes
Original Assignee
Dolby International Ab
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 Dolby International Ab filed Critical Dolby International Ab
Publication of PL4564349T3 publication Critical patent/PL4564349T3/pl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0272—Quadrature mirror filters
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0266—Filter banks
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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
    • G10L19/0204—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 subband decomposition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compressor (AREA)
PL25171097.6T 2006-07-04 2007-07-03 Układ filtra zawierający konwerter filtra i kompresor filtra i sposób działania układu filtra PL4564349T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0601462 2006-07-04
US80660706P 2006-07-05 2006-07-05

Publications (1)

Publication Number Publication Date
PL4564349T3 true PL4564349T3 (pl) 2026-04-13

Family

ID=41003589

Family Applications (3)

Application Number Title Priority Date Filing Date
PL25171097.6T PL4564349T3 (pl) 2006-07-04 2007-07-03 Układ filtra zawierający konwerter filtra i kompresor filtra i sposób działania układu filtra
PL11160966T PL2337224T3 (pl) 2006-07-04 2007-07-03 Jednostka filtra oraz sposób wytwarzania odpowiedzi impulsowych filtrów podpasmowych
PL24210746.4T PL4481731T3 (pl) 2006-07-04 2007-07-03 Układ filtra zawierający konwerter filtra i kompresor filtra i sposób działania układu filtra

Family Applications After (2)

Application Number Title Priority Date Filing Date
PL11160966T PL2337224T3 (pl) 2006-07-04 2007-07-03 Jednostka filtra oraz sposób wytwarzania odpowiedzi impulsowych filtrów podpasmowych
PL24210746.4T PL4481731T3 (pl) 2006-07-04 2007-07-03 Układ filtra zawierający konwerter filtra i kompresor filtra i sposób działania układu filtra

Country Status (15)

Country Link
US (1) US8255212B2 (pl)
EP (8) EP2337224B1 (pl)
JP (1) JP4704499B2 (pl)
KR (1) KR101201167B1 (pl)
CN (1) CN101512899B (pl)
AR (1) AR061807A1 (pl)
DK (1) DK2337224T3 (pl)
ES (7) ES3065456T3 (pl)
HK (1) HK1246013B (pl)
HU (4) HUE057855T2 (pl)
MY (1) MY151651A (pl)
PL (3) PL4564349T3 (pl)
TR (1) TR201902417T4 (pl)
TW (1) TWI351022B (pl)
WO (1) WO2008003467A1 (pl)

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CA3012134C (en) 2013-01-08 2019-10-15 Dolby International Ab Model based prediction in a critically sampled filterbank
MY173488A (en) 2013-04-05 2020-01-28 Dolby Int Ab Companding apparatus and method to reduce quantization noise using advanced spectral extension
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CN103269212B (zh) * 2013-05-14 2016-05-18 泉州市天龙电子科技有限公司 低成本低功耗可编程多级fir滤波器实现方法
FR3006535A1 (fr) * 2013-05-28 2014-12-05 France Telecom Procede et dispositif de modulation delivrant un signal a porteuses multiples, procede et dispositif de demodulation et programme d’ordinateur correspondants.
EP2830048A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for realizing a SAOC downmix of 3D audio content
EP2830061A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
EP2830047A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for low delay object metadata coding
EP2830045A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for audio encoding and decoding for audio channels and audio objects
US9319819B2 (en) * 2013-07-25 2016-04-19 Etri Binaural rendering method and apparatus for decoding multi channel audio
KR102163266B1 (ko) * 2013-09-17 2020-10-08 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
KR101804745B1 (ko) 2013-10-22 2017-12-06 한국전자통신연구원 오디오 신호의 필터 생성 방법 및 이를 위한 파라메터화 장치
US9286902B2 (en) * 2013-12-16 2016-03-15 Gracenote, Inc. Audio fingerprinting
EP4246513B1 (en) * 2013-12-23 2025-09-17 Wilus Institute of Standards and Technology Inc. Audio signal processing method and audio signal processing device
EP4478746B1 (en) 2014-03-19 2026-03-11 Wilus Institute of Standards and Technology Inc. Audio signal processing method and apparatus
US9848275B2 (en) 2014-04-02 2017-12-19 Wilus Institute Of Standards And Technology Inc. Audio signal processing method and device
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CN105553893B (zh) * 2016-01-07 2021-04-09 广东新岸线科技有限公司 一种时域信道冲激响应的估计方法和装置
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TWI866996B (zh) * 2019-06-26 2024-12-21 美商杜拜研究特許公司 具有改善頻率解析度的低延遲音訊濾波器組
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Also Published As

Publication number Publication date
PL4481731T3 (pl) 2025-12-01
KR101201167B1 (ko) 2012-11-13
TR201902417T4 (tr) 2019-03-21
HK1246013B (en) 2019-11-29
EP4481731A3 (en) 2025-03-26
ES2905764T3 (es) 2022-04-12
ES3044633T3 (en) 2025-11-27
EP3985873A1 (en) 2022-04-20
CN101512899A (zh) 2009-08-19
CN101512899B (zh) 2012-12-26
US20100017195A1 (en) 2010-01-21
AR061807A1 (es) 2008-09-24
DK2337224T3 (en) 2017-10-02
ES2712457T3 (es) 2019-05-13
EP3236587A1 (en) 2017-10-25
HUE057855T2 (hu) 2022-06-28
HUE043155T2 (hu) 2019-08-28
ES2638269T3 (es) 2017-10-19
EP4481731C0 (en) 2025-08-27
ES3065456T3 (en) 2026-05-06
EP2036201A1 (en) 2009-03-18
MY151651A (en) 2014-06-30
EP3739752B1 (en) 2021-12-15
PL2337224T3 (pl) 2017-11-30
EP2036201B1 (en) 2017-02-01
EP3985873B1 (en) 2024-11-06
ES2994934T3 (en) 2025-02-04
EP4481731A2 (en) 2024-12-25
EP4564349C0 (en) 2026-01-21
EP4564349A3 (en) 2025-08-27
EP3447916A1 (en) 2019-02-27
EP2337224B1 (en) 2017-06-21
EP4564349B1 (en) 2026-01-21
EP4564349A2 (en) 2025-06-04
ES2623226T3 (es) 2017-07-10
US8255212B2 (en) 2012-08-28
HUE073562T2 (hu) 2026-01-28
HUE069351T2 (hu) 2025-03-28
EP3447916B1 (en) 2020-07-15
EP3236587B1 (en) 2018-11-21
KR20090028755A (ko) 2009-03-19
EP2337224A3 (en) 2012-01-25
TWI351022B (en) 2011-10-21
WO2008003467A1 (en) 2008-01-10
JP2009542137A (ja) 2009-11-26
EP3739752A1 (en) 2020-11-18
EP4481731B1 (en) 2025-08-27
TW200813981A (en) 2008-03-16
JP4704499B2 (ja) 2011-06-15
EP2337224A2 (en) 2011-06-22

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