JP2011517909A5 - - Google Patents
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- Publication number
- JP2011517909A5 JP2011517909A5 JP2011503527A JP2011503527A JP2011517909A5 JP 2011517909 A5 JP2011517909 A5 JP 2011517909A5 JP 2011503527 A JP2011503527 A JP 2011503527A JP 2011503527 A JP2011503527 A JP 2011503527A JP 2011517909 A5 JP2011517909 A5 JP 2011517909A5
- Authority
- JP
- Japan
- Prior art keywords
- signal
- audio
- generating
- frequency signal
- high frequency
- 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.)
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- 230000005236 sound signal Effects 0.000 claims 4
Claims (2)
- 音声トランスデューサに対する音声駆動信号を生成するための装置であって、入力音声信号を供給するためのソースと、前記入力音声信号を少なくとも低周波信号及び高周波信号へ分割する分割器と、ダイナミックレンジの拡大を前記低周波信号に適用することにより、拡大された信号を生成するための拡大器と、前記拡大された信号と前記高周波信号とを結合することにより前記音声駆動信号を生成するための結合器とを有する、装置。
- 音声トランスデューサに対する音声駆動信号を生成するための方法であって、入力音声信号を供給するステップと、前記入力音声信号を少なくとも低周波信号及び高周波信号へ分割するステップと、ダイナミックレンジ拡大を前記低周波信号に適用することにより拡大された信号を生成するステップと、前記拡大された信号と前記高周波信号とを結合することにより前記音声駆動信号を生成するステップとを有する、方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08154257 | 2008-04-09 | ||
EP08154257.3 | 2008-04-09 | ||
PCT/IB2009/051406 WO2009125326A1 (en) | 2008-04-09 | 2009-04-03 | Generation of a drive signal for sound transducer |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011517909A JP2011517909A (ja) | 2011-06-16 |
JP2011517909A5 true JP2011517909A5 (ja) | 2012-05-24 |
JP5337865B2 JP5337865B2 (ja) | 2013-11-06 |
Family
ID=40690324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011503527A Expired - Fee Related JP5337865B2 (ja) | 2008-04-09 | 2009-04-03 | 音声トランスデューサに対する駆動信号の生成 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8934643B2 (ja) |
EP (1) | EP2266326B1 (ja) |
JP (1) | JP5337865B2 (ja) |
KR (1) | KR101542731B1 (ja) |
CN (1) | CN102007777B (ja) |
WO (1) | WO2009125326A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2606572A1 (en) | 2010-08-18 | 2013-06-26 | Dolby Laboratories Licensing Corporation | Method and system for controlling distortion in a critical frequency band of an audio signal |
US9692382B2 (en) | 2012-01-06 | 2017-06-27 | Sony Corporation | Smart automatic audio recording leveler |
US20130287203A1 (en) * | 2012-04-27 | 2013-10-31 | Plantronics, Inc. | Reduction of Loudspeaker Distortion for Improved Acoustic Echo Cancellation |
US9247342B2 (en) | 2013-05-14 | 2016-01-26 | James J. Croft, III | Loudspeaker enclosure system with signal processor for enhanced perception of low frequency output |
US9813812B2 (en) * | 2014-12-12 | 2017-11-07 | Analog Devices Global | Method of controlling diaphragm excursion of electrodynamic loudspeakers |
US9565505B2 (en) * | 2015-06-17 | 2017-02-07 | Intel IP Corporation | Loudspeaker cone excursion estimation using reference signal |
US9748915B2 (en) * | 2015-09-23 | 2017-08-29 | Harris Corporation | Electronic device with threshold based compression and related devices and methods |
EP3244628B1 (en) | 2016-05-13 | 2019-02-20 | Flexound Systems OY | Enhanced sound perception via regulated vibration |
EP3453187B1 (en) * | 2016-05-25 | 2020-05-13 | Huawei Technologies Co., Ltd. | Audio signal processing stage, audio signal processing apparatus and audio signal processing method |
US10374566B2 (en) * | 2016-07-29 | 2019-08-06 | Maxim Integrated Products, Inc. | Perceptual power reduction system and method |
US10504538B2 (en) * | 2017-06-01 | 2019-12-10 | Sorenson Ip Holdings, Llc | Noise reduction by application of two thresholds in each frequency band in audio signals |
CN110799936B (zh) * | 2017-08-18 | 2024-05-03 | Oppo广东移动通信有限公司 | 音量调节方法、装置、终端设备及存储介质 |
US10225654B1 (en) * | 2017-09-07 | 2019-03-05 | Cirrus Logic, Inc. | Speaker distortion reduction |
JP7315701B2 (ja) * | 2019-04-01 | 2023-07-26 | ボーズ・コーポレーション | 動的ヘッドルーム管理 |
FR3133111A1 (fr) * | 2022-02-28 | 2023-09-01 | Faurecia Clarion Electronics Europe | Procédé et système d’amélioration du rendu sonore des basses fréquences d’un signal audio |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8300468A (nl) * | 1983-02-08 | 1984-09-03 | Philips Nv | Digitale dynamiek omzetter. |
US5706356A (en) * | 1996-05-01 | 1998-01-06 | Walden; Gaylord K. | Audio processor |
TW343417B (en) * | 1996-05-08 | 1998-10-21 | Philips Eloctronics N V | Circuit, audio system and method for processing signals, and a harmonics generator |
US6868163B1 (en) * | 1998-09-22 | 2005-03-15 | Becs Technology, Inc. | Hearing aids based on models of cochlear compression |
US20020126861A1 (en) * | 2001-03-12 | 2002-09-12 | Chester Colby | Audio expander |
JP2004166033A (ja) * | 2002-11-14 | 2004-06-10 | Victor Co Of Japan Ltd | オーディオ・エフェクタ回路 |
JP4682137B2 (ja) | 2003-09-16 | 2011-05-11 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | オーディオ周波数レンジ適応 |
JP2005175674A (ja) * | 2003-12-09 | 2005-06-30 | Nec Corp | 信号圧縮伸張装置および携帯通信端末装置 |
KR101120550B1 (ko) * | 2004-01-13 | 2012-03-09 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 신호 개선 |
JP4161983B2 (ja) * | 2005-06-06 | 2008-10-08 | ヤマハ株式会社 | 音質調整装置 |
US8045731B2 (en) * | 2005-06-06 | 2011-10-25 | Yamaha Corporation | Sound quality adjustment device |
WO2007049200A1 (en) | 2005-10-24 | 2007-05-03 | Koninklijke Philips Electronics N.V. | A device for and a method of audio data processing |
EP1949751B1 (en) * | 2005-11-10 | 2016-01-27 | Gibson Innovations Belgium NV | Device for and method of generating a vibration source-driving-signal |
EP1982558A2 (en) | 2006-01-27 | 2008-10-22 | Koninklijke Philips Electronics N.V. | Efficient audio reproduction |
US20080069385A1 (en) * | 2006-09-18 | 2008-03-20 | Revitronix | Amplifier and Method of Amplification |
JP2008085412A (ja) * | 2006-09-26 | 2008-04-10 | Sony Corp | オーディオ再生装置 |
JP4923939B2 (ja) * | 2006-10-18 | 2012-04-25 | ソニー株式会社 | オーディオ再生装置 |
KR101310231B1 (ko) * | 2007-01-18 | 2013-09-25 | 삼성전자주식회사 | 저음 증강 장치 및 방법 |
-
2009
- 2009-04-03 JP JP2011503527A patent/JP5337865B2/ja not_active Expired - Fee Related
- 2009-04-03 CN CN200980112640.9A patent/CN102007777B/zh not_active Expired - Fee Related
- 2009-04-03 EP EP09730978.5A patent/EP2266326B1/en not_active Not-in-force
- 2009-04-03 WO PCT/IB2009/051406 patent/WO2009125326A1/en active Application Filing
- 2009-04-03 US US12/935,955 patent/US8934643B2/en not_active Expired - Fee Related
- 2009-04-03 KR KR1020107024885A patent/KR101542731B1/ko active IP Right Grant
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