JP6718670B2 - Ａｄｐｃｍコーデックでのパケット損失隠蔽方法及びｐｌｃ回路を備えるａｄｐｃｍ復号器 - Google Patents

Ａｄｐｃｍコーデックでのパケット損失隠蔽方法及びｐｌｃ回路を備えるａｄｐｃｍ復号器 Download PDF

Info

Publication number
JP6718670B2
JP6718670B2 JP2015227409A JP2015227409A JP6718670B2 JP 6718670 B2 JP6718670 B2 JP 6718670B2 JP 2015227409 A JP2015227409 A JP 2015227409A JP 2015227409 A JP2015227409 A JP 2015227409A JP 6718670 B2 JP6718670 B2 JP 6718670B2
Authority
JP
Japan
Prior art keywords
signal
plc
dec
error
adpcm
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
JP2015227409A
Other languages
English (en)
Japanese (ja)
Other versions
JP2016105168A (ja
JP2016105168A5 (enExample
Inventor
ツァウンシルム マルクス
ツァウンシルム マルクス
カスティリオーネ パオロ
カスティリオーネ パオロ
Original Assignee
エーケージー アコースティックス ゲーエムベーハー
エーケージー アコースティックス ゲーエムベーハー
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 エーケージー アコースティックス ゲーエムベーハー, エーケージー アコースティックス ゲーエムベーハー filed Critical エーケージー アコースティックス ゲーエムベーハー
Publication of JP2016105168A publication Critical patent/JP2016105168A/ja
Publication of JP2016105168A5 publication Critical patent/JP2016105168A5/ja
Application granted granted Critical
Publication of JP6718670B2 publication Critical patent/JP6718670B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/02—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
    • G10L19/032—Quantisation or dequantisation of spectral components

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2015227409A 2014-11-21 2015-11-20 Ａｄｐｃｍコーデックでのパケット損失隠蔽方法及びｐｌｃ回路を備えるａｄｐｃｍ復号器 Active JP6718670B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14194269.8 2014-11-21
EP14194269.8A EP3023983B1 (en) 2014-11-21 2014-11-21 Method of packet loss concealment in ADPCM codec and ADPCM decoder with PLC circuit

Publications (3)

Publication Number Publication Date
JP2016105168A JP2016105168A (ja) 2016-06-09
JP2016105168A5 JP2016105168A5 (enExample) 2020-03-12
JP6718670B2 true JP6718670B2 (ja) 2020-07-08

Family

ID=51904857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015227409A Active JP6718670B2 (ja) 2014-11-21 2015-11-20 Ａｄｐｃｍコーデックでのパケット損失隠蔽方法及びｐｌｃ回路を備えるａｄｐｃｍ復号器

Country Status (4)

Country Link
US (1) US9928841B2 (enExample)
EP (1) EP3023983B1 (enExample)
JP (1) JP6718670B2 (enExample)
CN (1) CN105632504B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111883170B (zh) * 2020-04-08 2023-09-08 珠海市杰理科技股份有限公司 语音信号的处理方法及系统、音频处理芯片、电子设备
US20240313886A1 (en) * 2023-03-17 2024-09-19 Mediatek Inc. Signal loss compensation method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0828668B2 (ja) * 1990-07-10 1996-03-21 三洋電機株式会社 音声信号の符号化方法
JP4215448B2 (ja) * 2002-04-19 2009-01-28 日本電気株式会社 音声復号装置及び音声復号方法
JP4247680B2 (ja) * 2004-07-07 2009-04-02 ソニー株式会社 符号化装置、符号化方法、符号化方法のプログラム及び符号化方法のプログラムを記録した記録媒体
CN100505714C (zh) * 2005-03-25 2009-06-24 华为技术有限公司 基于自适应差分脉冲编码调制的丢帧处理设备及方法
UA92368C2 (ru) * 2005-09-27 2010-10-25 Квелкомм Инкорпорейтед Методика на основе информации содержимого
US20070282601A1 (en) * 2006-06-02 2007-12-06 Texas Instruments Inc. Packet loss concealment for a conjugate structure algebraic code excited linear prediction decoder
US8280728B2 (en) * 2006-08-11 2012-10-02 Broadcom Corporation Packet loss concealment for a sub-band predictive coder based on extrapolation of excitation waveform
KR101040160B1 (ko) 2006-08-15 2011-06-09 브로드콤 코포레이션 패킷 손실 후의 제한되고 제어된 디코딩
CN101375330B (zh) * 2006-08-15 2012-02-08 美国博通公司 丢包后解码音频信号的时间扭曲的方法
JP5011913B2 (ja) * 2006-09-28 2012-08-29 沖電気工業株式会社 差分符号化信号復号装置
US8706479B2 (en) 2008-11-14 2014-04-22 Broadcom Corporation Packet loss concealment for sub-band codecs
EP2458585B1 (en) * 2010-11-29 2013-07-17 Nxp B.V. Error concealment for sub-band coded audio signals
FR2973552A1 (fr) * 2011-03-29 2012-10-05 France Telecom Traitement dans le domaine code d'un signal audio code par codage micda

Also Published As

Publication number Publication date
CN105632504B (zh) 2020-11-03
JP2016105168A (ja) 2016-06-09
US9928841B2 (en) 2018-03-27
EP3023983A1 (en) 2016-05-25
EP3023983B1 (en) 2017-10-18
US20160148619A1 (en) 2016-05-26
CN105632504A (zh) 2016-06-01

Similar Documents

Publication Publication Date Title
US8738385B2 (en) Pitch-based pre-filtering and post-filtering for compression of audio signals
KR101344110B1 (ko) 로버스트 디코더
US9406307B2 (en) Method and apparatus for polyphonic audio signal prediction in coding and networking systems
JP5413839B2 (ja) 符号化装置および復号装置
US9830920B2 (en) Method and apparatus for polyphonic audio signal prediction in coding and networking systems
JP2007529021A (ja) 忠実度最適化可変フレーム長符号化
CN114550732B (zh) 一种高频音频信号的编解码方法和相关装置
JP5340965B2 (ja) 定常的な背景雑音の平滑化を行うための方法及び装置
JP6718670B2 (ja) Ａｄｐｃｍコーデックでのパケット損失隠蔽方法及びｐｌｃ回路を備えるａｄｐｃｍ復号器
RU2707144C2 (ru) Аудиокодер и способ для кодирования аудиосигнала
JP4786183B2 (ja) 音声復号化装置、音声復号化方法、プログラム、記録媒体
JP2008519990A (ja) 信号符号化の方法
JP2016105168A5 (enExample)
JP2009512895A (ja) スペクトル・ダイナミックスに基づく信号コーディング及びデコーディング
JP6253674B2 (ja) 符号化信号を処理する装置および方法、並びに符号化信号を生成するエンコーダおよび方法
EP4139919B1 (en) Low cost adaptation of bass post-filter
WO2008086920A1 (en) Disturbance reduction in digital signal processing
JP2025183227A (ja) 低域ポストフィルタの低コストな適応化
HK40070387A (en) Method for encoding and decoding high-frequency audio signal, and related apparatus
HK40070387B (en) Method for encoding and decoding high-frequency audio signal, and related apparatus
HK40057033B (zh) 在声音信号编码器和解码器中使用的方法、设备和存储器
JP2009239437A (ja) オーディオ信号伝送システム
Kroon Speech and Audio Compression

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20181024

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20191122

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20191211

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20200131

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: 20200608

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20200615

R150 Certificate of patent or registration of utility model

Ref document number: 6718670

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