CA2525944C - Reciprocal index lookup for btsc compatible coefficients - Google Patents
Reciprocal index lookup for btsc compatible coefficients Download PDFInfo
- Publication number
- CA2525944C CA2525944C CA2525944A CA2525944A CA2525944C CA 2525944 C CA2525944 C CA 2525944C CA 2525944 A CA2525944 A CA 2525944A CA 2525944 A CA2525944 A CA 2525944A CA 2525944 C CA2525944 C CA 2525944C
- Authority
- CA
- Canada
- Prior art keywords
- value
- filter coefficient
- reciprocal
- slope
- order bits
- 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.)
- Expired - Fee Related
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)
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 |
---|---|
CA2525944A1 CA2525944A1 (en) | 2004-11-18 |
CA2525944C true CA2525944C (en) | 2012-06-05 |
Family
ID=34392765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2525944A Expired - Fee Related CA2525944C (en) | 2003-04-09 | 2003-04-09 | Reciprocal index lookup for btsc compatible coefficients |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1618760A4 (zh) |
CN (1) | CN1795697A (zh) |
AU (1) | AU2003224895A1 (zh) |
CA (1) | CA2525944C (zh) |
Families Citing this family (4)
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 |
KR20200099560A (ko) * | 2017-12-19 | 2020-08-24 | 돌비 인터네셔널 에이비 | 통합 음성 및 오디오 디코딩 및 인코딩 qmf 기반 고조파 트랜스포저 개선을 위한 방법, 장치 및 시스템 |
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 |
Family Cites Families (6)
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 |
US5627857A (en) * | 1995-09-15 | 1997-05-06 | Qualcomm Incorporated | Linearized digital automatic gain control |
US5796842A (en) * | 1996-06-07 | 1998-08-18 | That Corporation | BTSC encoder |
EP0936744B1 (de) * | 1998-02-12 | 2004-09-22 | Micronas 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 |
-
2003
- 2003-04-09 CN CNA038266059A patent/CN1795697A/zh active Pending
- 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 AU AU2003224895A patent/AU2003224895A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1618760A1 (en) | 2006-01-25 |
EP1618760A4 (en) | 2013-03-20 |
AU2003224895A1 (en) | 2004-11-26 |
CA2525944A1 (en) | 2004-11-18 |
CN1795697A (zh) | 2006-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20140409 |