CN1227645C - 通信***中用于检测和定性信号的方法 - Google Patents
通信***中用于检测和定性信号的方法 Download PDFInfo
- Publication number
- CN1227645C CN1227645C CNB988025043A CN98802504A CN1227645C CN 1227645 C CN1227645 C CN 1227645C CN B988025043 A CNB988025043 A CN B988025043A CN 98802504 A CN98802504 A CN 98802504A CN 1227645 C CN1227645 C CN 1227645C
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- CN
- China
- Prior art keywords
- signal
- value
- noise
- tone
- differentiation function
- 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
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000007704 transition Effects 0.000 claims abstract 2
- 230000004069 differentiation Effects 0.000 claims description 22
- 230000008859 change Effects 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims 1
- 230000009466 transformation Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 23
- 238000004891 communication Methods 0.000 abstract description 15
- 238000005070 sampling Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 4
- 238000003556 assay Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 208000036829 Device dislocation Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/90—Pitch determination of speech signals
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Telephonic Communication Services (AREA)
- Communication Control (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/990,130 | 1997-12-12 | ||
US08/990,130 US6385548B2 (en) | 1997-12-12 | 1997-12-12 | Apparatus and method for detecting and characterizing signals in a communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1247621A CN1247621A (zh) | 2000-03-15 |
CN1227645C true CN1227645C (zh) | 2005-11-16 |
Family
ID=25535798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB988025043A Expired - Fee Related CN1227645C (zh) | 1997-12-12 | 1998-11-13 | 通信***中用于检测和定性信号的方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6385548B2 (zh) |
EP (1) | EP0960418B1 (zh) |
CN (1) | CN1227645C (zh) |
AU (1) | AU1460499A (zh) |
BR (1) | BR9807316A (zh) |
CA (1) | CA2279650A1 (zh) |
DE (1) | DE69832043T2 (zh) |
HK (1) | HK1025177A1 (zh) |
ID (1) | ID22527A (zh) |
WO (1) | WO1999031655A1 (zh) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000267690A (ja) * | 1999-03-19 | 2000-09-29 | Toshiba Corp | 音声検知装置及び音声制御システム |
GB2360428B (en) * | 2000-03-15 | 2002-09-18 | Motorola Israel Ltd | Voice activity detection apparatus and method |
SE0004187D0 (sv) * | 2000-11-15 | 2000-11-15 | Coding Technologies Sweden Ab | Enhancing the performance of coding systems that use high frequency reconstruction methods |
US7135862B2 (en) * | 2001-03-13 | 2006-11-14 | Halliburton Energy Services, Inc | NMR logging using time-domain averaging |
US6941161B1 (en) * | 2001-09-13 | 2005-09-06 | Plantronics, Inc | Microphone position and speech level sensor |
RU2005108198A (ru) * | 2002-12-09 | 2006-01-20 | Элвойс Пти Лтд. (AU) | Устройство для корреляционной обработки |
JP3963850B2 (ja) * | 2003-03-11 | 2007-08-22 | 富士通株式会社 | 音声区間検出装置 |
CN100389455C (zh) * | 2004-07-30 | 2008-05-21 | 华为技术有限公司 | 声音类型检测装置及方法 |
US7852999B2 (en) * | 2005-04-27 | 2010-12-14 | Cisco Technology, Inc. | Classifying signals at a conference bridge |
US8374234B2 (en) * | 2006-09-29 | 2013-02-12 | Francis S. J. Munoz | Digital scaling |
US8542802B2 (en) | 2007-02-15 | 2013-09-24 | Global Tel*Link Corporation | System and method for three-way call detection |
WO2008151392A1 (en) | 2007-06-15 | 2008-12-18 | Cochlear Limited | Input selection for auditory devices |
CN102124721A (zh) | 2008-08-20 | 2011-07-13 | 塞拉瑞因有限公司 | 用下载的音频文件替换回铃音的方法和设备 |
US8462930B2 (en) | 2008-08-20 | 2013-06-11 | Sellaring Ltd. | Method and apparatus for network maintenance and supervision of an on-board controlled display portion |
US9225838B2 (en) | 2009-02-12 | 2015-12-29 | Value-Added Communications, Inc. | System and method for detecting three-way call circumvention attempts |
WO2010141135A2 (en) | 2009-03-05 | 2010-12-09 | Trustees Of Boston University | Bacteriophages expressing antimicrobial peptides and uses thereof |
CN102231274B (zh) * | 2011-05-09 | 2013-04-17 | 华为技术有限公司 | 基音周期估计值修正方法、基音估计方法和相关装置 |
US9025779B2 (en) | 2011-08-08 | 2015-05-05 | Cisco Technology, Inc. | System and method for using endpoints to provide sound monitoring |
CN106210360B (zh) * | 2016-08-31 | 2021-11-05 | 广州先尚计算机科技有限公司 | 一种基于网络的监听传真线路并录制音频的***及其方法 |
US9930088B1 (en) | 2017-06-22 | 2018-03-27 | Global Tel*Link Corporation | Utilizing VoIP codec negotiation during a controlled environment call |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4004096A (en) * | 1975-02-18 | 1977-01-18 | The United States Of America As Represented By The Secretary Of The Army | Process for extracting pitch information |
US5353372A (en) * | 1992-01-27 | 1994-10-04 | The Board Of Trustees Of The Leland Stanford Junior University | Accurate pitch measurement and tracking system and method |
RU2052903C1 (ru) * | 1992-09-18 | 1996-01-20 | Войсковая Часть 25871 | Устройство для измерения разборчивости огласованных и неогласованных звуков речи |
US5459814A (en) * | 1993-03-26 | 1995-10-17 | Hughes Aircraft Company | Voice activity detector for speech signals in variable background noise |
IN184794B (zh) * | 1993-09-14 | 2000-09-30 | British Telecomm | |
KR100251497B1 (ko) * | 1995-09-30 | 2000-06-01 | 윤종용 | 음성신호 변속재생방법 및 그 장치 |
-
1997
- 1997-12-12 US US08/990,130 patent/US6385548B2/en not_active Expired - Lifetime
-
1998
- 1998-11-13 CN CNB988025043A patent/CN1227645C/zh not_active Expired - Fee Related
- 1998-11-13 DE DE69832043T patent/DE69832043T2/de not_active Expired - Lifetime
- 1998-11-13 AU AU14604/99A patent/AU1460499A/en not_active Abandoned
- 1998-11-13 EP EP98958591A patent/EP0960418B1/en not_active Expired - Lifetime
- 1998-11-13 BR BR9807316-8A patent/BR9807316A/pt active Search and Examination
- 1998-11-13 WO PCT/US1998/024366 patent/WO1999031655A1/en active IP Right Grant
- 1998-11-13 CA CA002279650A patent/CA2279650A1/en not_active Abandoned
- 1998-11-13 ID IDW990807A patent/ID22527A/id unknown
-
2000
- 2000-07-19 HK HK00104411A patent/HK1025177A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2279650A1 (en) | 1999-06-24 |
DE69832043D1 (de) | 2005-12-01 |
WO1999031655A1 (en) | 1999-06-24 |
BR9807316A (pt) | 2000-04-18 |
EP0960418A4 (en) | 2002-01-30 |
HK1025177A1 (en) | 2000-11-03 |
EP0960418B1 (en) | 2005-10-26 |
US20020013671A1 (en) | 2002-01-31 |
EP0960418A1 (en) | 1999-12-01 |
AU1460499A (en) | 1999-07-05 |
US6385548B2 (en) | 2002-05-07 |
DE69832043T2 (de) | 2006-05-04 |
CN1247621A (zh) | 2000-03-15 |
ID22527A (id) | 1999-10-28 |
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C06 | Publication | ||
PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MOTOROLA MOBILE CO., LTD. Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110112 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110112 Address after: Illinois Instrunment Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois Instrunment Patentee before: Motorola, Inc. |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY, Inc. |
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CP02 | Change in the address of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois Instrunment Patentee before: MOTOROLA MOBILITY, Inc. |
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TR01 | Transfer of patent right |
Effective date of registration: 20160616 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051116 Termination date: 20171113 |