JP2013511741A5 - - Google Patents
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- Publication number
- JP2013511741A5 JP2013511741A5 JP2012539847A JP2012539847A JP2013511741A5 JP 2013511741 A5 JP2013511741 A5 JP 2013511741A5 JP 2012539847 A JP2012539847 A JP 2012539847A JP 2012539847 A JP2012539847 A JP 2012539847A JP 2013511741 A5 JP2013511741 A5 JP 2013511741A5
- Authority
- JP
- Japan
- Prior art keywords
- signal
- bandwidth
- signal portion
- band
- speech signal
- 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
- 238000001914 filtration Methods 0.000 claims 9
- 238000000034 method Methods 0.000 claims 9
- 230000002708 enhancing effect Effects 0.000 claims 1
- 238000011045 prefiltration Methods 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26271409P | 2009-11-19 | 2009-11-19 | |
| US61/262,714 | 2009-11-19 | ||
| PCT/SE2010/050746 WO2011062535A1 (en) | 2009-11-19 | 2010-06-29 | Methods and arrangements for loudness and sharpness compensation in audio codecs |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013511741A JP2013511741A (ja) | 2013-04-04 |
| JP2013511741A5 true JP2013511741A5 (https=) | 2013-07-18 |
| JP5812998B2 JP5812998B2 (ja) | 2015-11-17 |
Family
ID=44059833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012539847A Active JP5812998B2 (ja) | 2009-11-19 | 2010-06-29 | オーディオコーデックにおけるラウドネスおよびシャープネスの補償のための方法および装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9031835B2 (https=) |
| EP (1) | EP2502229B1 (https=) |
| JP (1) | JP5812998B2 (https=) |
| CN (1) | CN102725791B (https=) |
| CA (1) | CA2780962C (https=) |
| ES (1) | ES2645415T3 (https=) |
| WO (1) | WO2011062535A1 (https=) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201210373D0 (en) * | 2012-06-12 | 2012-07-25 | Meridian Audio Ltd | Doubly compatible lossless audio sandwidth extension |
| EP2704142B1 (en) * | 2012-08-27 | 2015-09-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for reproducing an audio signal, apparatus and method for generating a coded audio signal, computer program and coded audio signal |
| US9711156B2 (en) | 2013-02-08 | 2017-07-18 | Qualcomm Incorporated | Systems and methods of performing filtering for gain determination |
| US9620134B2 (en) | 2013-10-10 | 2017-04-11 | Qualcomm Incorporated | Gain shape estimation for improved tracking of high-band temporal characteristics |
| US10083708B2 (en) | 2013-10-11 | 2018-09-25 | Qualcomm Incorporated | Estimation of mixing factors to generate high-band excitation signal |
| US10614816B2 (en) | 2013-10-11 | 2020-04-07 | Qualcomm Incorporated | Systems and methods of communicating redundant frame information |
| US9384746B2 (en) | 2013-10-14 | 2016-07-05 | Qualcomm Incorporated | Systems and methods of energy-scaled signal processing |
| US10163447B2 (en) | 2013-12-16 | 2018-12-25 | Qualcomm Incorporated | High-band signal modeling |
| PL3084763T3 (pl) | 2013-12-19 | 2019-03-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Szacowanie szumów tła w sygnałach audio |
| EP3518236B8 (en) * | 2014-10-10 | 2022-05-25 | Dolby Laboratories Licensing Corporation | Transmission-agnostic presentation-based program loudness |
| US9590580B1 (en) | 2015-09-13 | 2017-03-07 | Guoguang Electric Company Limited | Loudness-based audio-signal compensation |
| US11925433B2 (en) * | 2020-07-17 | 2024-03-12 | Daniel Hertz S.A. | System and method for improving and adjusting PMC digital signals to provide health benefits to listeners |
| CN119520569A (zh) * | 2024-12-04 | 2025-02-25 | 中国工商银行股份有限公司 | 用于电力信息通信网络的信号处理方法、装置和设备 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986003873A1 (en) * | 1984-12-20 | 1986-07-03 | Gte Laboratories Incorporated | Method and apparatus for encoding speech |
| SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| US6889182B2 (en) * | 2001-01-12 | 2005-05-03 | Telefonaktiebolaget L M Ericsson (Publ) | Speech bandwidth extension |
| CA2388352A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for frequency-selective pitch enhancement of synthesized speed |
| CA2388439A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for efficient frame erasure concealment in linear predictive based speech codecs |
| JP2005010621A (ja) | 2003-06-20 | 2005-01-13 | Matsushita Electric Ind Co Ltd | 音声帯域拡張装置及び帯域拡張方法 |
| US7676362B2 (en) | 2004-12-31 | 2010-03-09 | Motorola, Inc. | Method and apparatus for enhancing loudness of a speech signal |
| US7813931B2 (en) * | 2005-04-20 | 2010-10-12 | QNX Software Systems, Co. | System for improving speech quality and intelligibility with bandwidth compression/expansion |
| KR101171098B1 (ko) * | 2005-07-22 | 2012-08-20 | 삼성전자주식회사 | 혼합 구조의 스케일러블 음성 부호화 방법 및 장치 |
| CA2558595C (en) * | 2005-09-02 | 2015-05-26 | Nortel Networks Limited | Method and apparatus for extending the bandwidth of a speech signal |
| JP5055759B2 (ja) * | 2005-12-16 | 2012-10-24 | 沖電気工業株式会社 | 帯域変換信号生成器及び帯域拡張装置 |
| JP4747835B2 (ja) | 2005-12-27 | 2011-08-17 | ヤマハ株式会社 | オーディオ再生の効果付加方法およびその装置 |
| KR101366124B1 (ko) * | 2006-02-14 | 2014-02-21 | 오렌지 | 오디오 인코딩/디코딩에서의 인지 가중 장치 |
| TW200743382A (en) | 2006-05-03 | 2007-11-16 | Cybervision Inc | Video signal generator |
| JP4918841B2 (ja) | 2006-10-23 | 2012-04-18 | 富士通株式会社 | 符号化システム |
| US8229106B2 (en) * | 2007-01-22 | 2012-07-24 | D.S.P. Group, Ltd. | Apparatus and methods for enhancement of speech |
| US8527265B2 (en) * | 2007-10-22 | 2013-09-03 | Qualcomm Incorporated | Low-complexity encoding/decoding of quantized MDCT spectrum in scalable speech and audio codecs |
| KR101235830B1 (ko) * | 2007-12-06 | 2013-02-21 | 한국전자통신연구원 | 음성코덱의 품질향상장치 및 그 방법 |
| US8433582B2 (en) * | 2008-02-01 | 2013-04-30 | Motorola Mobility Llc | Method and apparatus for estimating high-band energy in a bandwidth extension system |
| JP5326311B2 (ja) * | 2008-03-19 | 2013-10-30 | 沖電気工業株式会社 | 音声帯域拡張装置、方法及びプログラム、並びに、音声通信装置 |
| JP4783412B2 (ja) | 2008-09-09 | 2011-09-28 | 日本電信電話株式会社 | 信号広帯域化装置、信号広帯域化方法、そのプログラム、その記録媒体 |
-
2010
- 2010-06-29 WO PCT/SE2010/050746 patent/WO2011062535A1/en not_active Ceased
- 2010-06-29 US US13/510,333 patent/US9031835B2/en active Active
- 2010-06-29 EP EP10831864.3A patent/EP2502229B1/en not_active Not-in-force
- 2010-06-29 ES ES10831864.3T patent/ES2645415T3/es active Active
- 2010-06-29 CA CA2780962A patent/CA2780962C/en active Active
- 2010-06-29 JP JP2012539847A patent/JP5812998B2/ja active Active
- 2010-06-29 CN CN201080052229.XA patent/CN102725791B/zh not_active Expired - Fee Related
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