EP1618760A4 - Reziprok-index-nachschlagen für btsc-kompatible koeffizienten - Google Patents

Reziprok-index-nachschlagen für btsc-kompatible koeffizienten

Info

Publication number
EP1618760A4
EP1618760A4 EP03721588A EP03721588A EP1618760A4 EP 1618760 A4 EP1618760 A4 EP 1618760A4 EP 03721588 A EP03721588 A EP 03721588A EP 03721588 A EP03721588 A EP 03721588A EP 1618760 A4 EP1618760 A4 EP 1618760A4
Authority
EP
European Patent Office
Prior art keywords
btsc
consulting table
coefficients
compatible
reciprocal index
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.)
Withdrawn
Application number
EP03721588A
Other languages
English (en)
French (fr)
Other versions
EP1618760A1 (de
Inventor
Mathew F Easley
Roger Darr
Mathew Barnhill
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
THAT Corp
Original Assignee
THAT Corp
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 THAT Corp filed Critical THAT Corp
Priority claimed from PCT/US2003/010834 external-priority patent/WO2004100604A1/en
Publication of EP1618760A1 publication Critical patent/EP1618760A1/de
Publication of EP1618760A4 publication Critical patent/EP1618760A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H04N5/602—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
EP03721588A 2003-04-09 2003-04-09 Reziprok-index-nachschlagen für btsc-kompatible koeffizienten Withdrawn EP1618760A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2003/010834 WO2004100604A1 (en) 2000-02-18 2003-04-09 Reciprocal index lookup for btsc compatible coefficients

Publications (2)

Publication Number Publication Date
EP1618760A1 EP1618760A1 (de) 2006-01-25
EP1618760A4 true EP1618760A4 (de) 2013-03-20

Family

ID=34392765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03721588A Withdrawn EP1618760A4 (de) 2003-04-09 2003-04-09 Reziprok-index-nachschlagen für btsc-kompatible koeffizienten

Country Status (4)

Country Link
EP (1) EP1618760A4 (de)
CN (1) CN1795697A (de)
AU (1) AU2003224895A1 (de)
CA (1) CA2525944C (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6665610B2 (ja) * 2016-01-08 2020-03-13 株式会社ジェイテクト モータ制御装置
US10122346B2 (en) * 2017-03-03 2018-11-06 Synaptics Incorporated Coefficient generation for digital filters
WO2019121982A1 (en) * 2017-12-19 2019-06-27 Dolby International Ab Methods and apparatus for unified speech and audio decoding qmf based harmonic transposer improvements
CN109063652B (zh) * 2018-08-06 2022-02-11 高维度（深圳）生物信息智能应用有限公司 一种信号处理方法、系统及计算机存储介质
CN115767359B (zh) * 2022-11-29 2026-04-14 芯原微电子(上海)股份有限公司 降噪方法及装置、测试方法及装置、电子设备和存储介质

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091957A (en) * 1990-04-18 1992-02-25 Thomson Consumer Electronics, Inc. Wideband expander for stereo and SAP signals
WO1997010644A1 (en) * 1995-09-15 1997-03-20 Qualcomm Incorporated Linearized digital automatic gain control
EP0936744A1 (de) * 1998-02-12 1999-08-18 Micronas Intermetall GmbH Trägererzeugungseinrichtung für einen digitalen Demodulator von MPX-Signalen
US6118879A (en) * 1996-06-07 2000-09-12 That Corporation BTSC encoder
US6192086B1 (en) * 1999-01-14 2001-02-20 Antec Corporation Digital sub-systems and building blocks for a mostly digital low-cost BTSC compatible encoder
US6259482B1 (en) * 1998-03-11 2001-07-10 Matthew F. Easley Digital BTSC compander system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091957A (en) * 1990-04-18 1992-02-25 Thomson Consumer Electronics, Inc. Wideband expander for stereo and SAP signals
WO1997010644A1 (en) * 1995-09-15 1997-03-20 Qualcomm Incorporated Linearized digital automatic gain control
US6118879A (en) * 1996-06-07 2000-09-12 That Corporation BTSC encoder
EP0936744A1 (de) * 1998-02-12 1999-08-18 Micronas Intermetall GmbH Trägererzeugungseinrichtung für einen digitalen Demodulator von MPX-Signalen
US6259482B1 (en) * 1998-03-11 2001-07-10 Matthew F. Easley Digital BTSC compander system
US6192086B1 (en) * 1999-01-14 2001-02-20 Antec Corporation Digital sub-systems and building blocks for a mostly digital low-cost BTSC compatible encoder

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
OET BULLETIN NO 60 ET AL: "Multichannel Television Sound Transmission and Audio Processing Requirements for the BTSC System", OET BULLETIN, XX, XX, 1 February 1986 (1986-02-01), pages 1 - 17, XP002298198 *
See also references of WO2004100604A1 *

Also Published As

Publication number Publication date
AU2003224895A1 (en) 2004-11-26
CA2525944A1 (en) 2004-11-18
CN1795697A (zh) 2006-06-28
EP1618760A1 (de) 2006-01-25
CA2525944C (en) 2012-06-05

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20051109

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RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: THAT CORPORATION

DAX Request for extension of the european patent (deleted)
RIN1 Information on inventor provided before grant (corrected)

Inventor name: BARNHILL, MATHEW

Inventor name: DARR, ROGER

Inventor name: EASLEY, MATHEW, F.

A4 Supplementary search report drawn up and despatched

Effective date: 20130215

RIC1 Information provided on ipc code assigned before grant

Ipc: H03G 7/00 20060101ALI20130211BHEP

Ipc: H04N 5/60 20060101ALI20130211BHEP

Ipc: H04N 7/12 20060101ALI20130211BHEP

Ipc: H04R 5/00 20060101AFI20130211BHEP

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Effective date: 20130516