EP1618760A4 - Reciprocal index lookup for btsc compatible coefficients - Google Patents

Reciprocal index lookup for btsc compatible coefficients

Info

Publication number: EP1618760A4
Authority: EP; European Patent Office
Prior art keywords: index lookup; compatible coefficients; btsc compatible; reciprocal index; reciprocal
Prior art date: 2003-04-09
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

German (de)

French (fr)

Other versions

EP1618760A1 (en

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.)

2003-04-09

Filing date

2003-04-09

Publication date

2013-03-20

2003-04-09 Application filed by THAT Corp filed Critical THAT Corp

2003-04-09 Priority claimed from PCT/US2003/010834 external-priority patent/WO2004100604A1/en

2006-01-25 Publication of EP1618760A1 publication Critical patent/EP1618760A1/en

2013-03-20 Publication of EP1618760A4 publication Critical patent/EP1618760A4/en

Status Withdrawn legal-status Critical Current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

EP03721588A 2003-04-09 2003-04-09 Reciprocal index lookup for btsc compatible coefficients Withdrawn EP1618760A4 (en)

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 (en)	2006-01-25
EP1618760A4 true EP1618760A4 (en)	2013-03-20

Family

ID=34392765

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP03721588A Withdrawn EP1618760A4 (en)	2003-04-09	2003-04-09	Reciprocal index lookup for btsc compatible coefficients

Country Status (4)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP6665610B2 (en) *	2016-01-08	2020-03-13	株式会社ジェイテクト	Motor control device
US10122346B2 (en) *	2017-03-03	2018-11-06	Synaptics Incorporated	Coefficient generation for digital filters
EP3729427A1 (en) *	2017-12-19	2020-10-28	Dolby International AB	Methods and apparatus for unified speech and audio decoding qmf based harmonic transposer improvements
CN109063652B (en) *	2018-08-06	2022-02-11	高维度（深圳）生物信息智能应用有限公司	Signal processing method, system and computer storage medium

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 (en) *	1998-02-12	1999-08-18	Micronas Intermetall GmbH	Carrier generating device for a digital demodulator of MPX signals
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

2003
- 2003-04-09 CA CA2525944A patent/CA2525944C/en not_active Expired - Fee Related
- 2003-04-09 EP EP03721588A patent/EP1618760A4/en not_active Withdrawn
- 2003-04-09 CN CNA038266059A patent/CN1795697A/en active Pending
- 2003-04-09 AU AU2003224895A patent/AU2003224895A1/en not_active Abandoned

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 (en) *	1998-02-12	1999-08-18	Micronas Intermetall GmbH	Carrier generating device for a digital demodulator of MPX signals
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
CA2525944C (en)	2012-06-05
EP1618760A1 (en)	2006-01-25
CA2525944A1 (en)	2004-11-18
AU2003224895A1 (en)	2004-11-26
CN1795697A (en)	2006-06-28

Legal Events

Date	Code	Title	Description
2005-12-09	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2006-01-25	17P	Request for examination filed	Effective date: 20051109
2006-01-25	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
2006-01-25	AX	Request for extension of the european patent	Extension state: AL LT LV MK
2006-06-21	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: THAT CORPORATION
2006-07-19	DAX	Request for extension of the european patent (deleted)
2006-07-26	RIN1	Information on inventor provided before grant (corrected)	Inventor name: BARNHILL, MATHEW Inventor name: DARR, ROGER Inventor name: EASLEY, MATHEW, F.
2013-03-20	A4	Supplementary search report drawn up and despatched	Effective date: 20130215
2013-03-20	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
2013-10-04	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2013-11-06	18D	Application deemed to be withdrawn	Effective date: 20130516

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