CN101243630B - 调制解调器与声码器的同步方法和装置 - Google Patents
调制解调器与声码器的同步方法和装置 Download PDFInfo
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- CN101243630B CN101243630B CN200680029898.9A CN200680029898A CN101243630B CN 101243630 B CN101243630 B CN 101243630B CN 200680029898 A CN200680029898 A CN 200680029898A CN 101243630 B CN101243630 B CN 101243630B
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- vocoder
- buffer
- demodulator
- modulator
- difference
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- Expired - Fee Related
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Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
- H04J3/0632—Synchronisation of packets and cells, e.g. transmission of voice via a packet network, circuit emulation service [CES]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Abstract
Description
滞后定时S<0 | 从ADC读取159个采样,并执行块插值以产生160 个采样 |
提前定时S>0 | 从ADC读取161个采样,并执行块抽取以产生160 个采样 |
滞后定时S<0 | 对160个采样的块进行插值以产生161个采样,并路 由至DAC |
提前定时S>0 | 对160个采样的块进行抽取以产生159个采样,并路 由至DAC |
Claims (23)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/153,065 US7512157B2 (en) | 2005-06-15 | 2005-06-15 | Synchronizing a modem and vocoder of a mobile station |
US11/153,065 | 2005-06-15 | ||
PCT/US2006/011770 WO2007001540A1 (en) | 2005-06-15 | 2006-03-30 | Synchronizing a modem and vocoder of a mobile station |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101243630A CN101243630A (zh) | 2008-08-13 |
CN101243630B true CN101243630B (zh) | 2013-03-27 |
Family
ID=36945798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200680029898.9A Expired - Fee Related CN101243630B (zh) | 2005-06-15 | 2006-03-30 | 调制解调器与声码器的同步方法和装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7512157B2 (zh) |
EP (1) | EP1894331B1 (zh) |
CN (1) | CN101243630B (zh) |
TW (1) | TWI339048B (zh) |
WO (1) | WO2007001540A1 (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7720046B2 (en) * | 2005-09-23 | 2010-05-18 | St-Ericsson Sa | Synchronizing a channel codec and vocoder of a mobile station |
US20080021702A1 (en) * | 2006-06-28 | 2008-01-24 | Shaojie Chen | Wireless communication apparatus including a mechanism for suppressing uplink noise |
US7668565B2 (en) * | 2006-11-07 | 2010-02-23 | Nokia Corporation | Multiradio priority control based on modem buffer load |
TWI393419B (zh) * | 2007-12-31 | 2013-04-11 | Chi Mei Comm Systems Inc | 行動電話語音同步系統及方法 |
US8612242B2 (en) | 2010-04-16 | 2013-12-17 | St-Ericsson Sa | Minimizing speech delay in communication devices |
US20110257964A1 (en) | 2010-04-16 | 2011-10-20 | Rathonyi Bela | Minimizing Speech Delay in Communication Devices |
US8908819B2 (en) * | 2010-07-28 | 2014-12-09 | Qualcomm Incorporated | System and method for synchronization tracking in an in-band modem |
US8483245B2 (en) * | 2010-07-30 | 2013-07-09 | General Motors Llc | Multi-tone detection for in-band data modem link establishment in wireless networks |
US9177570B2 (en) * | 2011-04-15 | 2015-11-03 | St-Ericsson Sa | Time scaling of audio frames to adapt audio processing to communications network timing |
CN104936268A (zh) * | 2014-03-17 | 2015-09-23 | 联想(北京)有限公司 | 一种切换方法和装置 |
CN107291933B (zh) * | 2017-07-03 | 2020-04-14 | 贵州大学 | 基于Petri网的软PLC系统数据同步方法 |
GB2571526A (en) | 2018-02-28 | 2019-09-04 | Sony Corp | Data buffer and data buffer control |
CN110933233B (zh) * | 2020-01-21 | 2020-08-07 | 翱捷科技(上海)有限公司 | 一种移动终端及其处理语音通信的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5426643A (en) * | 1993-11-01 | 1995-06-20 | Motorola Inc. | Apparatus and method for transmitting bit synchronous data over an unreliable channel |
CN1134768A (zh) * | 1994-08-31 | 1996-10-30 | 摩托罗拉公司 | 通信系统中的分组校准方法和装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5781593A (en) * | 1996-11-14 | 1998-07-14 | Omnipoint Corporation | Methods and apparatus for vocoder synchronization in mobile communication network |
US6064693A (en) * | 1997-02-28 | 2000-05-16 | Data Race, Inc. | System and method for handling underrun of compressed speech frames due to unsynchronized receive and transmit clock rates |
US6493338B1 (en) * | 1997-05-19 | 2002-12-10 | Airbiquity Inc. | Multichannel in-band signaling for data communications over digital wireless telecommunications networks |
KR100255328B1 (ko) * | 1998-02-18 | 2000-05-01 | 윤종용 | 음성 신호의 기록/재생이 가능한 이동 무선 전화기 및그 제어 방법 |
WO2000024144A1 (en) | 1998-10-21 | 2000-04-27 | Tiernan Communications, Inc. | Method and apparatus for de-jittering asynchronous data transfer delay |
US6754265B1 (en) * | 1999-02-05 | 2004-06-22 | Honeywell International Inc. | VOCODER capable modulator/demodulator |
US6658027B1 (en) * | 1999-08-16 | 2003-12-02 | Nortel Networks Limited | Jitter buffer management |
US7460629B2 (en) * | 2001-06-29 | 2008-12-02 | Agere Systems Inc. | Method and apparatus for frame-based buffer control in a communication system |
-
2005
- 2005-06-15 US US11/153,065 patent/US7512157B2/en not_active Expired - Fee Related
-
2006
- 2006-03-30 CN CN200680029898.9A patent/CN101243630B/zh not_active Expired - Fee Related
- 2006-03-30 EP EP06748970.8A patent/EP1894331B1/en not_active Not-in-force
- 2006-03-30 TW TW095111199A patent/TWI339048B/zh not_active IP Right Cessation
- 2006-03-30 WO PCT/US2006/011770 patent/WO2007001540A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5426643A (en) * | 1993-11-01 | 1995-06-20 | Motorola Inc. | Apparatus and method for transmitting bit synchronous data over an unreliable channel |
CN1134768A (zh) * | 1994-08-31 | 1996-10-30 | 摩托罗拉公司 | 通信系统中的分组校准方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
TW200644529A (en) | 2006-12-16 |
US7512157B2 (en) | 2009-03-31 |
EP1894331B1 (en) | 2015-10-14 |
WO2007001540A1 (en) | 2007-01-04 |
TWI339048B (en) | 2011-03-11 |
CN101243630A (zh) | 2008-08-13 |
EP1894331A1 (en) | 2008-03-05 |
US20060285557A1 (en) | 2006-12-21 |
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C06 | Publication | ||
PB01 | Publication | ||
C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20080815 Address after: Holland Ian Deho Finn Applicant after: NXP B.V. Address before: Texas, USA Applicant before: SILICON LABORATORIES Inc. |
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Owner name: NXP BV Free format text: FORMER OWNER: KONINKL PHILIPS ELECTRONICS NV Effective date: 20130315 Owner name: ST-ERICSSON INC. Free format text: FORMER OWNER: NXP BV Effective date: 20130315 |
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Effective date of registration: 20130315 Address after: Swiss Prang Eli Ute Patentee after: ST-ERICSSON S.A. Address before: Swiss Prang Eli Ute Patentee before: ST Wireless Effective date of registration: 20130315 Address after: Swiss Prang Eli Ute Patentee after: ST Wireless Address before: Holland Ian Deho Finn Patentee before: NXP B.V. |
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Effective date of registration: 20170607 Address after: Swiss Prang Eli Ute Patentee after: Italian-French Ericsson Limited (in liquidation) Address before: Swiss Prang Eli Ute Patentee before: St-Ericsson S.A. |
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