JP6158352B2 - 知覚的な変換オーディオ符号化におけるノイズフィリング - Google Patents

知覚的な変換オーディオ符号化におけるノイズフィリング Download PDF

Info

Publication number
JP6158352B2
JP6158352B2 JP2015555680A JP2015555680A JP6158352B2 JP 6158352 B2 JP6158352 B2 JP 6158352B2 JP 2015555680 A JP2015555680 A JP 2015555680A JP 2015555680 A JP2015555680 A JP 2015555680A JP 6158352 B2 JP6158352 B2 JP 6158352B2
Authority
JP
Japan
Prior art keywords
spectral
noise
spectrum
function
perceptual
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2015555680A
Other languages
English (en)
Japanese (ja)
Other versions
JP2016511431A (ja
Inventor
サッシャ ディスヒ
サッシャ ディスヒ
マルク ゲイヤー
マルク ゲイヤー
クリスティアン ヘルムリッヒ
クリスティアン ヘルムリッヒ
ゴラン マルコビック
ゴラン マルコビック
バレロ マリア ルイス
バレロ マリア ルイス
Original Assignee
フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ
フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ
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 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ, フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ filed Critical フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ
Publication of JP2016511431A publication Critical patent/JP2016511431A/ja
Application granted granted Critical
Publication of JP6158352B2 publication Critical patent/JP6158352B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/012Comfort noise or silence coding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/028Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Noise Elimination (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Stereophonic System (AREA)
JP2015555680A 2013-01-29 2014-01-28 知覚的な変換オーディオ符号化におけるノイズフィリング Active JP6158352B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361758209P 2013-01-29 2013-01-29
US61/758,209 2013-01-29
PCT/EP2014/051631 WO2014118176A1 (en) 2013-01-29 2014-01-28 Noise filling in perceptual transform audio coding

Publications (2)

Publication Number Publication Date
JP2016511431A JP2016511431A (ja) 2016-04-14
JP6158352B2 true JP6158352B2 (ja) 2017-07-05

Family

ID=50029035

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2015555680A Active JP6158352B2 (ja) 2013-01-29 2014-01-28 知覚的な変換オーディオ符号化におけるノイズフィリング
JP2015555679A Active JP6289508B2 (ja) 2013-01-29 2014-01-28 ノイズフィリング概念

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2015555679A Active JP6289508B2 (ja) 2013-01-29 2014-01-28 ノイズフィリング概念

Country Status (20)

Country Link
US (4) US9524724B2 (https=)
EP (6) EP2951817B1 (https=)
JP (2) JP6158352B2 (https=)
KR (6) KR101778220B1 (https=)
CN (5) CN110223704B (https=)
AR (2) AR094678A1 (https=)
AU (2) AU2014211543B2 (https=)
BR (2) BR112015017633B1 (https=)
CA (2) CA2898029C (https=)
ES (6) ES2709360T3 (https=)
MX (2) MX345160B (https=)
MY (2) MY172238A (https=)
PL (6) PL3451334T3 (https=)
PT (4) PT2951817T (https=)
RU (2) RU2631988C2 (https=)
SG (2) SG11201505893TA (https=)
TR (2) TR201902849T4 (https=)
TW (2) TWI536367B (https=)
WO (2) WO2014118176A1 (https=)
ZA (2) ZA201506266B (https=)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6158352B2 (ja) * 2013-01-29 2017-07-05 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ 知覚的な変換オーディオ符号化におけるノイズフィリング
EP2951819B1 (en) * 2013-01-29 2017-03-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer medium for synthesizing an audio signal
EP3483881B1 (en) * 2013-11-13 2024-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder for encoding an audio signal, audio transmission system and method for determining correction values
EP2980795A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
EP2980792A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating an enhanced signal using independent noise-filling
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
DE102016104665A1 (de) * 2016-03-14 2017-09-14 Ask Industries Gmbh Verfahren und Vorrichtung zur Aufbereitung eines verlustbehaftet komprimierten Audiosignals
US10146500B2 (en) 2016-08-31 2018-12-04 Dts, Inc. Transform-based audio codec and method with subband energy smoothing
TWI901542B (zh) * 2017-03-23 2025-10-11 瑞典商都比國際公司 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
EP3483880A1 (en) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
WO2019166317A1 (en) * 2018-02-27 2019-09-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. A spectrally adaptive noise filling tool (sanft) for perceptual transform coding of still and moving images
US10950251B2 (en) * 2018-03-05 2021-03-16 Dts, Inc. Coding of harmonic signals in transform-based audio codecs
US20230343346A1 (en) * 2020-06-11 2023-10-26 Dolby Laboratories Licensing Corporation Quantization and entropy coding of parameters for a low latency audio codec
CN112735449B (zh) * 2020-12-30 2023-04-14 北京百瑞互联技术有限公司 优化频域噪声整形的音频编码方法及装置
CN113883672B (zh) * 2021-09-13 2022-11-15 Tcl空调器(中山)有限公司 噪音类型识别方法、空调器及计算机可读存储介质
WO2023118598A1 (en) * 2021-12-23 2023-06-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for spectrotemporally improved spectral gap filling in audio coding using a tilt
WO2023117144A1 (en) * 2021-12-23 2023-06-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for spectrotemporally improved spectral gap filling in audio coding using a tilt
CN114550750B (zh) * 2022-01-26 2025-09-12 重庆中烟工业有限责任公司 一种按压爆珠声音大小确定方法
EP4478355A1 (en) * 2023-06-16 2024-12-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder, audio encoder and method for coding of frames using a quantization noise shaping

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040217A (en) * 1989-10-18 1991-08-13 At&T Bell Laboratories Perceptual coding of audio signals
US5692102A (en) * 1995-10-26 1997-11-25 Motorola, Inc. Method device and system for an efficient noise injection process for low bitrate audio compression
US6167133A (en) 1997-04-02 2000-12-26 At&T Corporation Echo detection, tracking, cancellation and noise fill in real time in a communication system
SE9903553D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
EP1395980B1 (en) * 2001-05-08 2006-03-15 Koninklijke Philips Electronics N.V. Audio coding
US7447631B2 (en) 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
CA2454296A1 (en) * 2003-12-29 2005-06-29 Nokia Corporation Method and device for speech enhancement in the presence of background noise
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
KR101203348B1 (ko) * 2005-01-31 2012-11-20 스카이프 가중 오버랩 애드 방법
KR100707186B1 (ko) * 2005-03-24 2007-04-13 삼성전자주식회사 오디오 부호화 및 복호화 장치와 그 방법 및 기록 매체
US8332216B2 (en) 2006-01-12 2012-12-11 Stmicroelectronics Asia Pacific Pte., Ltd. System and method for low power stereo perceptual audio coding using adaptive masking threshold
US7953595B2 (en) 2006-10-18 2011-05-31 Polycom, Inc. Dual-transform coding of audio signals
KR101291672B1 (ko) * 2007-03-07 2013-08-01 삼성전자주식회사 노이즈 신호 부호화 및 복호화 장치 및 방법
CN101303855B (zh) * 2007-05-11 2011-06-22 华为技术有限公司 一种舒适噪声参数产生方法和装置
US9653088B2 (en) 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
PT2571024E (pt) * 2007-08-27 2014-12-23 Ericsson Telefon Ab L M Frequência de transição adaptativa entre preenchimento de ruído e extensão da largura de banda
ES2774956T3 (es) 2007-08-27 2020-07-23 Ericsson Telefon Ab L M Método y dispositivo para la descodificación espectral perceptual de una señal de audio, que incluyen el llenado de huecos espectrales
US8527265B2 (en) * 2007-10-22 2013-09-03 Qualcomm Incorporated Low-complexity encoding/decoding of quantized MDCT spectrum in scalable speech and audio codecs
RU2449386C2 (ru) * 2007-11-02 2012-04-27 Хуавэй Текнолоджиз Ко., Лтд. Способ и устройство для аудиодекодирования
DE602008005250D1 (de) * 2008-01-04 2011-04-14 Dolby Sweden Ab Audiokodierer und -dekodierer
CN101335000B (zh) * 2008-03-26 2010-04-21 华为技术有限公司 编码的方法及装置
PL3002750T3 (pl) 2008-07-11 2018-06-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Koder i dekoder audio do kodowania i dekodowania próbek audio
ES2988414T3 (es) * 2008-07-11 2024-11-20 Fraunhofer Ges Zur Foerderungder Angewandten Forschung E V Decodificador de audio
RU2536679C2 (ru) * 2008-07-11 2014-12-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы
JP5555707B2 (ja) 2008-10-08 2014-07-23 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 マルチ分解能切替型のオーディオ符号化及び復号化スキーム
MY163358A (en) 2009-10-08 2017-09-15 Fraunhofer-Gesellschaft Zur Förderung Der Angenwandten Forschung E V Multi-mode audio signal decoder,multi-mode audio signal encoder,methods and computer program using a linear-prediction-coding based noise shaping
WO2011044700A1 (en) * 2009-10-15 2011-04-21 Voiceage Corporation Simultaneous time-domain and frequency-domain noise shaping for tdac transforms
KR101411759B1 (ko) * 2009-10-20 2014-06-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 신호 인코더, 오디오 신호 디코더, 앨리어싱-소거를 이용하여 오디오 신호를 인코딩 또는 디코딩하는 방법
CN102063905A (zh) * 2009-11-13 2011-05-18 数维科技(北京)有限公司 一种用于音频解码的盲噪声填充方法及其装置
CN102194457B (zh) * 2010-03-02 2013-02-27 中兴通讯股份有限公司 音频编解码方法、系统及噪声水平估计方法
US8831933B2 (en) * 2010-07-30 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for multi-stage shape vector quantization
US9208792B2 (en) * 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
WO2012046685A1 (ja) 2010-10-05 2012-04-12 日本電信電話株式会社 符号化方法、復号方法、符号化装置、復号装置、プログラム、記録媒体
AU2012217162B2 (en) * 2011-02-14 2015-11-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Noise generation in audio codecs
PL2684190T3 (pl) * 2011-03-10 2016-04-29 Ericsson Telefon Ab L M Wypełnianie niekodowanych podwektorów w sygnałach audio kodowanych transformatowo
MX2013013261A (es) * 2011-05-13 2014-02-20 Samsung Electronics Co Ltd Asignacion de bits, codificacion y decodificacion de audio.
MX340386B (es) * 2011-06-30 2016-07-07 Samsung Electronics Co Ltd Aparato y metodo para generar señal extendida de ancho de banda.
DE102011106033A1 (de) * 2011-06-30 2013-01-03 Zte Corporation Verfahren und System zur Audiocodierung und -decodierung und Verfahren zur Schätzung des Rauschpegels
CN102208188B (zh) * 2011-07-13 2013-04-17 华为技术有限公司 音频信号编解码方法和设备
JP6158352B2 (ja) * 2013-01-29 2017-07-05 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ 知覚的な変換オーディオ符号化におけるノイズフィリング

Also Published As

Publication number Publication date
ES2714289T3 (es) 2019-05-28
CN105264597A (zh) 2016-01-20
EP3451334B1 (en) 2020-04-01
ES2796485T3 (es) 2020-11-27
PL3471093T3 (pl) 2021-04-06
MY172238A (en) 2019-11-18
ES2988974T3 (es) 2024-11-22
TW201434034A (zh) 2014-09-01
CN110223704A (zh) 2019-09-10
MX2015009601A (es) 2015-11-25
PL3761312T3 (pl) 2024-11-25
JP2016505171A (ja) 2016-02-18
US20190348053A1 (en) 2019-11-14
EP2951818A1 (en) 2015-12-09
TR201902849T4 (tr) 2019-03-21
SG11201505915YA (en) 2015-09-29
US20150332686A1 (en) 2015-11-19
RU2015136502A (ru) 2017-03-07
JP6289508B2 (ja) 2018-03-07
SG11201505893TA (en) 2015-08-28
US10410642B2 (en) 2019-09-10
RU2015136505A (ru) 2017-03-07
EP3693962C0 (en) 2024-07-10
EP3471093B1 (en) 2020-08-26
AU2014211543B2 (en) 2017-03-30
CA2898024C (en) 2018-09-11
US9524724B2 (en) 2016-12-20
PL3693962T3 (pl) 2024-11-18
HK1218345A1 (en) 2017-02-10
AU2014211544A1 (en) 2015-08-20
EP3451334A1 (en) 2019-03-06
EP3471093A1 (en) 2019-04-17
CA2898029A1 (en) 2014-08-07
RU2660605C2 (ru) 2018-07-06
US20150332689A1 (en) 2015-11-19
KR101778220B1 (ko) 2017-09-13
KR20170117605A (ko) 2017-10-23
CN110223704B (zh) 2023-09-15
MY185164A (en) 2021-04-30
JP2016511431A (ja) 2016-04-14
AR094678A1 (es) 2015-08-19
PT3451334T (pt) 2020-06-29
KR20150109437A (ko) 2015-10-01
MX2015009600A (es) 2015-11-25
EP3761312C0 (en) 2024-07-17
CN110197667A (zh) 2019-09-03
HK1218344A1 (en) 2017-02-10
BR112015017748B1 (pt) 2022-03-15
US20170372712A1 (en) 2017-12-28
CN110189760A (zh) 2019-08-30
KR20160090403A (ko) 2016-07-29
KR101877906B1 (ko) 2018-07-12
AU2014211544B2 (en) 2017-03-30
EP3761312B1 (en) 2024-07-17
ES2993241T3 (en) 2024-12-26
BR112015017633A2 (pt) 2018-05-02
BR112015017748A2 (https=) 2017-08-22
KR20160091449A (ko) 2016-08-02
PL2951818T3 (pl) 2019-05-31
PL2951817T3 (pl) 2019-05-31
KR101926651B1 (ko) 2019-03-07
CA2898024A1 (en) 2014-08-07
ZA201506269B (en) 2017-07-26
MX343572B (es) 2016-11-09
TWI536367B (zh) 2016-06-01
EP3761312A1 (en) 2021-01-06
EP2951817A1 (en) 2015-12-09
BR112015017633B1 (pt) 2021-02-23
KR20160091448A (ko) 2016-08-02
EP3693962B1 (en) 2024-07-10
AU2014211543A1 (en) 2015-08-20
WO2014118176A1 (en) 2014-08-07
KR101778217B1 (ko) 2017-09-13
EP2951818B1 (en) 2018-11-21
ES2709360T3 (es) 2019-04-16
CN110197667B (zh) 2023-06-30
US11031022B2 (en) 2021-06-08
KR20150108422A (ko) 2015-09-25
ZA201506266B (en) 2017-11-29
CA2898029C (en) 2018-08-21
CN110189760B (zh) 2023-09-12
WO2014118175A1 (en) 2014-08-07
PT3471093T (pt) 2020-11-20
US9792920B2 (en) 2017-10-17
EP3693962A1 (en) 2020-08-12
ES2834929T3 (es) 2021-06-21
CN105190749B (zh) 2019-06-11
PT2951817T (pt) 2019-02-25
PL3451334T3 (pl) 2020-12-14
TR201902394T4 (tr) 2019-03-21
KR101757347B1 (ko) 2017-07-26
CN105190749A (zh) 2015-12-23
AR094679A1 (es) 2015-08-19
TWI529700B (zh) 2016-04-11
EP2951817B1 (en) 2018-12-05
KR101897092B1 (ko) 2018-09-11
MX345160B (es) 2017-01-18
RU2631988C2 (ru) 2017-09-29
CN105264597B (zh) 2019-12-10
TW201434035A (zh) 2014-09-01
PT2951818T (pt) 2019-02-25

Similar Documents

Publication Publication Date Title
JP6158352B2 (ja) 知覚的な変換オーディオ符号化におけるノイズフィリング
HK1218345B (en) Noise filling in perceptual transform audio coding

Legal Events

Date Code Title Description
A529 Written submission of copy of amendment under article 34 pct

Free format text: JAPANESE INTERMEDIATE CODE: A529

Effective date: 20150928

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20150928

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20161108

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20170202

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170324

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20170509

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20170607

R150 Certificate of patent or registration of utility model

Ref document number: 6158352

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250