JP2016105168A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2016105168A5 JP2016105168A5 JP2015227409A JP2015227409A JP2016105168A5 JP 2016105168 A5 JP2016105168 A5 JP 2016105168A5 JP 2015227409 A JP2015227409 A JP 2015227409A JP 2015227409 A JP2015227409 A JP 2015227409A JP 2016105168 A5 JP2016105168 A5 JP 2016105168A5
- Authority
- JP
- Japan
- Prior art keywords
- signal
- plc
- comb
- dec
- error
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims description 47
- 230000007704 transition Effects 0.000 claims description 33
- 230000003044 adaptive effect Effects 0.000 claims description 19
- 238000013139 quantization Methods 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 238000003786 synthesis reaction Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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 true JP2016105168A5 (enExample) | 2020-03-12 |
| JP6718670B2 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)
| 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)
| 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 |
-
2014
- 2014-11-21 EP EP14194269.8A patent/EP3023983B1/en active Active
-
2015
- 2015-11-20 JP JP2015227409A patent/JP6718670B2/ja active Active
- 2015-11-23 CN CN201510817756.XA patent/CN105632504B/zh active Active
- 2015-11-23 US US14/949,538 patent/US9928841B2/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101344110B1 (ko) | 로버스트 디코더 | |
| JP5161212B2 (ja) | Ｉｔｕ−ｔｇ．７１１規格と相互動作が可能なマルチレイヤ埋め込みコーデックにおける雑音成形デバイスおよび方法 | |
| US8843798B2 (en) | Frame error concealment method and apparatus and decoding method and apparatus using the same | |
| CN101189662B (zh) | 带多级码本和冗余编码的子带话音编解码器 | |
| RU2630887C2 (ru) | Звуковые кодирующее устройство и декодирующее устройство | |
| KR20120121928A (ko) | 오디오 코덱 포스트 필터 | |
| JP2002544550A (ja) | 符号化されたオーディオ信号中のエラーを隠蔽する方法と装置および符号化されたオーディオ信号を復号化する方法と装置 | |
| JP2009175693A (ja) | 減衰率を取得する方法および装置 | |
| 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 | |
| JP3999807B2 (ja) | 改良された周波数領域におけるエラー隠蔽技術 | |
| KR101390433B1 (ko) | 신호 잡음 제거 방법, 신호 잡음 제거 장치, 및 오디오 디코딩 시스템 | |
| JP2002221994A (ja) | 音声信号の符号列のパケット組立方法、装置及びパケット分解方法、装置並びにこれらの方法を実行するプログラム、プログラムを記録する記録媒体 | |
| RU2707144C2 (ru) | Аудиокодер и способ для кодирования аудиосигнала | |
| US20070219788A1 (en) | Pitch prediction for packet loss concealment | |
| 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 | |
| JP2016105168A5 (enExample) | ||
| Østergaard | Low delay robust audio coding by noise shaping, fractional sampling, and source prediction | |
| KR102587134B1 (ko) | 음성 신호 인코딩 및 디코딩 | |
| KR20200083565A (ko) | 피치 지연 선택 | |
| JP2016513270A (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 | |
| WO2025250160A1 (en) | Speech signal repair and enhancement using an integrated network based on progressive learning | |
| 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 |