ITTO20120617A1 - Teilband-aufteilungseinheit und huellkurvendetektor versehen mit einer teilband-aufteilungseinheit - Google Patents

Teilband-aufteilungseinheit und huellkurvendetektor versehen mit einer teilband-aufteilungseinheit

Info

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
Application number
IT000617A
Other languages
English (en)
Inventor
Jens Groh
Original Assignee
Inst Rundfunktechnik Gmbh
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 Inst Rundfunktechnik Gmbh filed Critical Inst Rundfunktechnik Gmbh
Priority to IT000617A priority Critical patent/ITTO20120617A1/it
Priority to PCT/EP2013/062649 priority patent/WO2013189942A2/en
Priority to US14/408,915 priority patent/US9219521B2/en
Priority to KR1020157001230A priority patent/KR102106945B1/ko
Priority to EP13729396.5A priority patent/EP2862276B1/en
Priority to JP2015517728A priority patent/JP6541267B2/ja
Priority to ES13729396T priority patent/ES2821801T3/es
Priority to CN201380032429.2A priority patent/CN104584428B/zh
Publication of ITTO20120617A1 publication Critical patent/ITTO20120617A1/it

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/66Details 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G7/00Volume compression or expansion in amplifiers
    • H03G7/002Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G7/00Volume compression or expansion in amplifiers
    • H03G7/007Volume compression or expansion in amplifiers of digital or coded signals
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G9/00Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025Combinations 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0248Filters characterised by a particular frequency response or filtering method
    • H03H17/0264Filter sets with mutual related characteristics
    • H03H17/0266Filter banks
    • H03H17/0267Filter banks comprising non-recursive filters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/0003Software-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
    • H04B1/0007Software-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
    • H04B1/001Channel filtering, i.e. selecting a frequency channel within the SDR system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/0003Software-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
    • H04B1/0007Software-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
    • H04B1/0017Digital filtering
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/1638Special circuits to enhance selectivity of receivers not otherwise provided for
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/18Input 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)
IT000617A 2012-06-19 2012-07-12 Teilband-aufteilungseinheit und huellkurvendetektor versehen mit einer teilband-aufteilungseinheit ITTO20120617A1 (it)

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)

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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

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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
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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
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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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