JP6349458B2 - オーディオ処理装置におけるサンプリングレートの切換え概念 - Google Patents

オーディオ処理装置におけるサンプリングレートの切換え概念 Download PDF

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JP6349458B2
JP6349458B2 JP2017510309A JP2017510309A JP6349458B2 JP 6349458 B2 JP6349458 B2 JP 6349458B2 JP 2017510309 A JP2017510309 A JP 2017510309A JP 2017510309 A JP2017510309 A JP 2017510309A JP 6349458 B2 JP6349458 B2 JP 6349458B2
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audio frame
memory state
audio
memory
decoded audio
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JP2017528759A (ja
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デーラ，シュテファン
フッハス，ギローム
グリル，ベルンハルト
ムルトルス，マルクス
ピートルチック，グルゼゴルツ
ラベリ，エマニュエル
シュネル，マルクス
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フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン
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    • 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
    • G10L19/04—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
    • 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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0002—Codebook adaptations

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2017510309A 2014-08-18 2015-08-14 オーディオ処理装置におけるサンプリングレートの切換え概念 Active JP6349458B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14181307.1 2014-08-18
EP14181307.1A EP2988300A1 (en) 2014-08-18 2014-08-18 Switching of sampling rates at audio processing devices
PCT/EP2015/068778 WO2016026788A1 (en) 2014-08-18 2015-08-14 Concept for switching of sampling rates at audio processing devices

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JP2017528759A JP2017528759A (ja) 2017-09-28
JP6349458B2 true JP6349458B2 (ja) 2018-06-27

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EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
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PL3739580T3 (pl) 2024-09-02
TW201612896A (en) 2016-04-01
JP2017528759A (ja) 2017-09-28
EP3739580A1 (en) 2020-11-18
ES2828949T3 (es) 2021-05-28
PL3183729T3 (pl) 2021-03-08
SG11201701267XA (en) 2017-03-30
AU2015306260B2 (en) 2018-10-18
US20200381001A1 (en) 2020-12-03
US11443754B2 (en) 2022-09-13
EP2988300A1 (en) 2016-02-24
KR102120355B1 (ko) 2020-06-08
AR101578A1 (es) 2016-12-28
TWI587291B (zh) 2017-06-11
MY187283A (en) 2021-09-19
EP4328908B1 (en) 2025-09-17
US20170154635A1 (en) 2017-06-01
EP3183729A1 (en) 2017-06-28
WO2016026788A1 (en) 2016-02-25
BR112017002947B1 (pt) 2021-02-17
US11830511B2 (en) 2023-11-28
PT3183729T (pt) 2020-12-04
EP4328908C0 (en) 2025-09-17
BR112017002947A2 (pt) 2017-12-05
RU2017108839A (ru) 2018-09-20
CN113724719A (zh) 2021-11-30
AU2015306260A1 (en) 2017-03-09
PL4328908T3 (pl) 2026-02-02
RU2690754C2 (ru) 2019-06-05
CA2957855A1 (en) 2016-02-25
CN106663443B (zh) 2021-06-29
RU2017108839A3 (cg-RX-API-DMAC7.html) 2018-09-20
CN113724719B (zh) 2023-08-08
CA2957855C (en) 2020-05-12
EP3739580C0 (en) 2024-04-17
EP3739580B1 (en) 2024-04-17
US20230022258A1 (en) 2023-01-26
US10783898B2 (en) 2020-09-22
ES3049391T3 (en) 2025-12-16
EP4328908A2 (en) 2024-02-28
CN106663443A (zh) 2017-05-10
MX2017002108A (es) 2017-05-12
ES2980944T3 (es) 2024-10-03
MX360557B (es) 2018-11-07
EP4328908A3 (en) 2024-03-13
EP3183729B1 (en) 2020-09-02
KR20170041827A (ko) 2017-04-17

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