ITTO20120617A1 - Teilband-aufteilungseinheit und huellkurvendetektor versehen mit einer teilband-aufteilungseinheit - Google Patents
Teilband-aufteilungseinheit und huellkurvendetektor versehen mit einer teilband-aufteilungseinheitInfo
- Publication number
- ITTO20120617A1 ITTO20120617A1 IT000617A ITTO20120617A ITTO20120617A1 IT TO20120617 A1 ITTO20120617 A1 IT TO20120617A1 IT 000617 A IT000617 A IT 000617A IT TO20120617 A ITTO20120617 A IT TO20120617A IT TO20120617 A1 ITTO20120617 A1 IT TO20120617A1
- Authority
- IT
- Italy
- Prior art keywords
- sub
- band
- output
- input
- unit
- Prior art date
Links
- 238000001914 filtration Methods 0.000 abstract 2
- 238000005070 sampling Methods 0.000 abstract 2
- 230000005236 sound signal Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/0264—Filter sets with mutual related characteristics
- H03H17/0266—Filter banks
- H03H17/0267—Filter banks comprising non-recursive filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
- H04B1/001—Channel filtering, i.e. selecting a frequency channel within the SDR system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
- H04B1/0017—Digital filtering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1638—Special circuits to enhance selectivity of receivers not otherwise provided for
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Networks Using Active Elements (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereo-Broadcasting Methods (AREA)
- Control Of Amplification And Gain Control (AREA)
- Circuits Of Receivers In General (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000617A ITTO20120617A1 (it) | 2012-06-19 | 2012-07-12 | Teilband-aufteilungseinheit und huellkurvendetektor versehen mit einer teilband-aufteilungseinheit |
| PCT/EP2013/062649 WO2013189942A2 (en) | 2012-06-19 | 2013-06-18 | Sub-band splitter unit and envlope curves detector provided with a sub-band splitter unit |
| US14/408,915 US9219521B2 (en) | 2012-06-19 | 2013-06-18 | Sub-band splitter unit and envelope curves detector provided with a sub-band splitter unit |
| KR1020157001230A KR102106945B1 (ko) | 2012-06-19 | 2013-06-18 | 서브-대역 스플리터 유닛 및 서브-대역 스플리터 유닛이 제공된 포락 곡선 검출기 |
| EP13729396.5A EP2862276B1 (en) | 2012-06-19 | 2013-06-18 | Sub-band splitter unit |
| JP2015517728A JP6541267B2 (ja) | 2012-06-19 | 2013-06-18 | 包絡線検出器 |
| ES13729396T ES2821801T3 (es) | 2012-06-19 | 2013-06-18 | Unidad de divisor de subbanda |
| CN201380032429.2A CN104584428B (zh) | 2012-06-19 | 2013-06-18 | 子带分裂器单元和提供有子带分裂器单元的包络曲线检测器 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000530A ITTO20120530A1 (it) | 2012-06-19 | 2012-06-19 | Dynamikkompressor |
| IT000617A ITTO20120617A1 (it) | 2012-06-19 | 2012-07-12 | Teilband-aufteilungseinheit und huellkurvendetektor versehen mit einer teilband-aufteilungseinheit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ITTO20120617A1 true ITTO20120617A1 (it) | 2013-12-20 |
Family
ID=46727444
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT000530A ITTO20120530A1 (it) | 2012-06-19 | 2012-06-19 | Dynamikkompressor |
| IT000617A ITTO20120617A1 (it) | 2012-06-19 | 2012-07-12 | Teilband-aufteilungseinheit und huellkurvendetektor versehen mit einer teilband-aufteilungseinheit |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT000530A ITTO20120530A1 (it) | 2012-06-19 | 2012-06-19 | Dynamikkompressor |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US9219521B2 (it) |
| EP (2) | EP2862276B1 (it) |
| JP (2) | JP6541267B2 (it) |
| KR (2) | KR102106945B1 (it) |
| CN (2) | CN104584427B (it) |
| BR (1) | BR112014031221A2 (it) |
| ES (2) | ES2736311T3 (it) |
| IT (2) | ITTO20120530A1 (it) |
| RU (1) | RU2015101243A (it) |
| TW (1) | TWI556626B (it) |
| WO (2) | WO2013189942A2 (it) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTO20120530A1 (it) | 2012-06-19 | 2013-12-20 | Inst Rundfunktechnik Gmbh | Dynamikkompressor |
| JP6336830B2 (ja) * | 2014-06-23 | 2018-06-06 | ローム株式会社 | レベル調節回路、デジタルサウンドプロセッサ、オーディオアンプ集積回路、電子機器、オーディオ信号の自動レベル調節方法 |
| WO2016155853A1 (en) * | 2015-04-02 | 2016-10-06 | Harman Becker Automotive Systems Gmbh | Multii-band signal compressing |
| EP3089364B1 (en) | 2015-05-01 | 2019-01-16 | Nxp B.V. | A gain function controller |
| EP3171614B1 (en) | 2015-11-23 | 2020-11-04 | Goodix Technology (HK) Company Limited | A controller for an audio system |
| US10264116B2 (en) * | 2016-11-02 | 2019-04-16 | Nokia Technologies Oy | Virtual duplex operation |
| US10262401B2 (en) * | 2017-04-27 | 2019-04-16 | Apple Inc. | Noise reduction using sequential use of multiple noise models |
| WO2018199989A1 (en) | 2017-04-28 | 2018-11-01 | Hewlett-Packard Development Company, L.P. | Loudness enhancement based on multiband range compression |
| US10657623B2 (en) | 2018-08-10 | 2020-05-19 | Apple Inc. | Two stage multi-scale processing of image data |
| US11032642B1 (en) * | 2020-03-10 | 2021-06-08 | Nuvoton Technology Corporation | Combined frequency response and dynamic range correction for loudspeakers |
| US11317203B2 (en) | 2020-08-04 | 2022-04-26 | Nuvoton Technology Corporation | System for preventing distortion of original input signal |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8307702D0 (en) * | 1983-03-21 | 1983-04-27 | British Telecomm | Digital band-split filter means |
| US4701953A (en) * | 1984-07-24 | 1987-10-20 | The Regents Of The University Of California | Signal compression system |
| EP0484595B1 (en) | 1990-11-05 | 1996-01-31 | Koninklijke Philips Electronics N.V. | A digital transmission system, an apparatus for recording and/or reproducing, and a transmitter and a receiver for use in the transmission system |
| JP2945239B2 (ja) * | 1993-04-15 | 1999-09-06 | 池上通信機株式会社 | サブバンド分割フィルタバンク及びサブバンド合成フィルタバンク |
| JPH0897726A (ja) * | 1994-09-28 | 1996-04-12 | Victor Co Of Japan Ltd | サブバンド帯域分割/合成方法およびその装置 |
| US6097824A (en) | 1997-06-06 | 2000-08-01 | Audiologic, Incorporated | Continuous frequency dynamic range audio compressor |
| US5926791A (en) * | 1995-10-26 | 1999-07-20 | Sony Corporation | Recursively splitting the low-frequency band with successively fewer filter taps in methods and apparatuses for sub-band encoding, decoding, and encoding and decoding |
| CA2287261C (en) * | 1997-05-01 | 2007-10-23 | Murphy, Timothy M. | Apparatus and method for a low power digital filter bank |
| JPH1132398A (ja) * | 1997-05-16 | 1999-02-02 | Victor Co Of Japan Ltd | デュプリケーションシステム、編集システム及び記録媒体の作成方法 |
| JP3686801B2 (ja) * | 1999-09-27 | 2005-08-24 | 独立行政法人科学技術振興機構 | フィルタバンク及びフィルタリング方法 |
| AU2003233425A1 (en) * | 2002-03-22 | 2003-10-13 | Georgia Tech Research Corporation | Analog audio enhancement system using a noise suppression algorithm |
| DK1522206T3 (da) * | 2002-07-12 | 2007-11-05 | Widex As | Höreapparat og en fremgangmsåde til at forbedre taleforståelighed |
| JP2004247893A (ja) * | 2003-02-13 | 2004-09-02 | Nec Engineering Ltd | オーディオイコライザ装置 |
| JP2004343162A (ja) * | 2003-05-12 | 2004-12-02 | Neuro Solution Corp | コンポジット・ビデオ信号のyc分離回路およびyc分離方法 |
| EP1932389B1 (en) * | 2005-09-01 | 2021-06-16 | Widex A/S | Method and apparatus for controlling band split compressors in a hearing aid |
| CN101025919B (zh) * | 2006-02-22 | 2011-04-20 | 上海奇码数字信息有限公司 | 音频解码中的合成子带滤波方法和合成子带滤波器 |
| EP1994788B1 (en) * | 2006-03-10 | 2014-05-07 | MH Acoustics, LLC | Noise-reducing directional microphone array |
| BRPI0709877B1 (pt) * | 2006-04-04 | 2019-12-31 | Dolby Laboratories Licensing Corp | método e aparelho para controlar uma característica de intensidade acústica particular de um sinal de áudio |
| US8275152B2 (en) * | 2007-09-21 | 2012-09-25 | Microsoft Corporation | Dynamic bass boost filter |
| JP2010079275A (ja) * | 2008-08-29 | 2010-04-08 | Sony Corp | 周波数帯域拡大装置及び方法、符号化装置及び方法、復号化装置及び方法、並びにプログラム |
| EP2200180B1 (en) * | 2008-12-08 | 2015-09-23 | Harman Becker Automotive Systems GmbH | Subband signal processing |
| US9084893B2 (en) * | 2009-02-03 | 2015-07-21 | Hearworks Pty Ltd | Enhanced envelope encoded tone, sound processor and system |
| US8788277B2 (en) * | 2009-09-11 | 2014-07-22 | The Trustees Of Columbia University In The City Of New York | Apparatus and methods for processing a signal using a fixed-point operation |
| EP2486654B1 (en) * | 2009-10-09 | 2016-09-21 | DTS, Inc. | Adaptive dynamic range enhancement of audio recordings |
| US20110188671A1 (en) * | 2009-10-15 | 2011-08-04 | Georgia Tech Research Corporation | Adaptive gain control based on signal-to-noise ratio for noise suppression |
| WO2011048741A1 (ja) * | 2009-10-20 | 2011-04-28 | 日本電気株式会社 | マルチバンドコンプレッサ |
| JP2012005060A (ja) * | 2010-06-21 | 2012-01-05 | Fujitsu Ten Ltd | 雑音除去装置 |
| JP5903758B2 (ja) * | 2010-09-08 | 2016-04-13 | ソニー株式会社 | 信号処理装置および方法、プログラム、並びにデータ記録媒体 |
| ITTO20120530A1 (it) | 2012-06-19 | 2013-12-20 | Inst Rundfunktechnik Gmbh | Dynamikkompressor |
-
2012
- 2012-06-19 IT IT000530A patent/ITTO20120530A1/it unknown
- 2012-07-12 IT IT000617A patent/ITTO20120617A1/it unknown
-
2013
- 2013-06-18 ES ES13729392T patent/ES2736311T3/es active Active
- 2013-06-18 WO PCT/EP2013/062649 patent/WO2013189942A2/en not_active Ceased
- 2013-06-18 CN CN201380032392.3A patent/CN104584427B/zh not_active Expired - Fee Related
- 2013-06-18 TW TW102121612A patent/TWI556626B/zh not_active IP Right Cessation
- 2013-06-18 CN CN201380032429.2A patent/CN104584428B/zh not_active Expired - Fee Related
- 2013-06-18 EP EP13729396.5A patent/EP2862276B1/en not_active Not-in-force
- 2013-06-18 EP EP13729392.4A patent/EP2862274B1/en not_active Not-in-force
- 2013-06-18 US US14/408,915 patent/US9219521B2/en active Active
- 2013-06-18 JP JP2015517728A patent/JP6541267B2/ja not_active Expired - Fee Related
- 2013-06-18 KR KR1020157001230A patent/KR102106945B1/ko not_active Expired - Fee Related
- 2013-06-18 WO PCT/EP2013/062641 patent/WO2013189938A1/en not_active Ceased
- 2013-06-18 BR BR112014031221A patent/BR112014031221A2/pt not_active IP Right Cessation
- 2013-06-18 KR KR1020157001407A patent/KR102179348B1/ko not_active Expired - Fee Related
- 2013-06-18 JP JP2015517726A patent/JP6376605B2/ja not_active Expired - Fee Related
- 2013-06-18 US US14/409,939 patent/US9258031B2/en active Active
- 2013-06-18 RU RU2015101243A patent/RU2015101243A/ru not_active Application Discontinuation
- 2013-06-18 ES ES13729396T patent/ES2821801T3/es active Active
Also Published As
| Publication number | Publication date |
|---|---|
| TW201409935A (zh) | 2014-03-01 |
| US9258031B2 (en) | 2016-02-09 |
| EP2862276B1 (en) | 2020-07-29 |
| US20150188588A1 (en) | 2015-07-02 |
| KR102179348B1 (ko) | 2020-11-16 |
| KR20150034183A (ko) | 2015-04-02 |
| TWI556626B (zh) | 2016-11-01 |
| RU2015101243A (ru) | 2016-08-10 |
| JP2015527779A (ja) | 2015-09-17 |
| CN104584428B (zh) | 2017-10-27 |
| WO2013189942A2 (en) | 2013-12-27 |
| CN104584428A (zh) | 2015-04-29 |
| KR102106945B1 (ko) | 2020-05-06 |
| US9219521B2 (en) | 2015-12-22 |
| BR112014031221A2 (pt) | 2017-06-27 |
| CN104584427B (zh) | 2018-01-05 |
| JP6541267B2 (ja) | 2019-07-10 |
| EP2862274B1 (en) | 2019-05-08 |
| KR20150032867A (ko) | 2015-03-30 |
| US20150188602A1 (en) | 2015-07-02 |
| WO2013189942A3 (en) | 2014-03-06 |
| EP2862274A1 (en) | 2015-04-22 |
| CN104584427A (zh) | 2015-04-29 |
| ES2821801T3 (es) | 2021-04-27 |
| JP6376605B2 (ja) | 2018-08-22 |
| ES2736311T3 (es) | 2019-12-27 |
| EP2862276A2 (en) | 2015-04-22 |
| WO2013189938A1 (en) | 2013-12-27 |
| JP2015520591A (ja) | 2015-07-16 |
| ITTO20120530A1 (it) | 2013-12-20 |
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