CN1248339A - 在通信系统中确定速率的装置和方法 - Google Patents
在通信系统中确定速率的装置和方法 Download PDFInfo
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- CN1248339A CN1248339A CN98802467A CN98802467A CN1248339A CN 1248339 A CN1248339 A CN 1248339A CN 98802467 A CN98802467 A CN 98802467A CN 98802467 A CN98802467 A CN 98802467A CN 1248339 A CN1248339 A CN 1248339A
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- 238000000034 method Methods 0.000 title claims description 18
- 238000004891 communication Methods 0.000 claims description 27
- 238000001228 spectrum Methods 0.000 claims description 24
- 206010038743 Restlessness Diseases 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 230000001629 suppression Effects 0.000 abstract description 6
- 238000012937 correction Methods 0.000 description 14
- 206010019133 Hangover Diseases 0.000 description 11
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
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Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/22—Negotiating communication rate
-
- 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
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- 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
- G10L25/78—Detection of presence or absence of voice signals
- G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
Description
update_flag=FALSE; if(v(m)≤UPDATE_THLD){ update_flag=TRUE update_cnt=0 }
else if((Etol(m)>NOISE_FLOOR_DB),(DE(m)<DEV_THLD){ update_cnt=update_cnt+1 if(update_cnt≥UPDATE_CNT_THLD) update_flag=TRUE }
if(update_cnt==last_update_cnt) hyster_cnt=hyster_cnt+1 else hyster_cnt=0 last_update_cnt=update_cnt if(hyster_cnt>HYSTER_CNT_THLD) update_cnt=0.
index_cnt=0 for(i=NM to Nc-1 step 1){ if(σq(i)≥INDEX_THLD) index_cnt=index_cnt+1 } if(index_cnt<INDEX_CNT_THLD) modify_flag=TRUE else modify_flag=FALSE if(modify_flag==TRUE) for(i=0 to Nc-1 step 1) if((v(m)≤METRIC_THLD)or(σq(i)≤ SETBACK_THLD)) σ'q(i)=1 else σ'q(i)=σq(i) else {σ'q}={σq}
/*Normal update logic*/ update_flag=fupdate_flag=FALSE if(v(m)≤UPDATE_THLD){ update_flag=TRUE update_cnt=0 } /*Forced update logic*/ else if((Etot(m)>NOISE_FLOOR_DB)and(ΔE(m)<DEV_THLD) and(sinewave_flag==FALSE)){ update_cnt=update_cnt+1 if(update_cnt≥UPDATE_CNT_THLD) update_flag=fupdate_flag=TRUE }
if(v(m)>vth){ if(v(m)>αvth){ /*α=1.1*/ rate(m)=RATE1 }else{ rate(m)=RATE1/2 } b(m)=b(m-1)+1 /*increment burst counter*/ if(b(m)>bth){ /* compare counter with threshold*/ h(m) = hcnt /* set hangover */ } }else{ b(m)=0 /* clear burst counter */ h(m)=h(m-1)-1 /* decrement hangover*/ if(h(m)≤0) { rate(m)=RATE1/8 h(m)=0 }else{ rate(m)=rate(m-1) } }
if(rate(m)==RATE1/8 and rate(m-2)==RATE1){ rate(m)=RATE1/2 }
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/806,949 US6104993A (en) | 1997-02-26 | 1997-02-26 | Apparatus and method for rate determination in a communication system |
US08/806,949 | 1997-02-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1248339A true CN1248339A (zh) | 2000-03-22 |
CN1220179C CN1220179C (zh) | 2005-09-21 |
Family
ID=25195196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB988024675A Expired - Lifetime CN1220179C (zh) | 1997-02-26 | 1998-01-05 | 在通信系统中确定速率的装置和方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6104993A (zh) |
EP (1) | EP0979506B1 (zh) |
JP (1) | JP4299888B2 (zh) |
KR (1) | KR100333464B1 (zh) |
CN (1) | CN1220179C (zh) |
BR (1) | BR9807369B1 (zh) |
CA (1) | CA2281696C (zh) |
DE (1) | DE69830721T2 (zh) |
IL (1) | IL130615A (zh) |
WO (1) | WO1998038631A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105023579A (zh) * | 2014-04-30 | 2015-11-04 | 中国电信股份有限公司 | 语音通信中语音编码实现方法、装置和通信终端 |
WO2018045517A1 (zh) * | 2016-09-07 | 2018-03-15 | 深圳前海达闼云端智能科技有限公司 | 一种VoLTE通信语音编码调整的方法和服务基站 |
WO2021160040A1 (zh) * | 2020-02-11 | 2021-08-19 | 华为技术有限公司 | 音频传输方法及电子设备 |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL120788A (en) * | 1997-05-06 | 2000-07-16 | Audiocodes Ltd | Systems and methods for encoding and decoding speech for lossy transmission networks |
FI982796A (fi) * | 1998-12-23 | 2000-06-24 | Nokia Networks Oy | Tiedonsiirron tehostaminen |
US6453291B1 (en) * | 1999-02-04 | 2002-09-17 | Motorola, Inc. | Apparatus and method for voice activity detection in a communication system |
US6397177B1 (en) * | 1999-03-10 | 2002-05-28 | Samsung Electronics, Co., Ltd. | Speech-encoding rate decision apparatus and method in a variable rate |
EP1131815A1 (en) * | 1999-09-20 | 2001-09-12 | Cellon France SAS | Processing circuit for correcting audio signals, receiver, communication system, mobile apparatus and related method |
JP3878482B2 (ja) * | 1999-11-24 | 2007-02-07 | 富士通株式会社 | 音声検出装置および音声検出方法 |
EP1238479A4 (en) * | 1999-12-03 | 2005-07-27 | Motorola Inc | METHOD AND DEVICE FOR SUPPRESSING ACOUSTIC BACKGROUND RUSH IN A COMMUNICATION SYSTEM |
US7127390B1 (en) * | 2000-02-08 | 2006-10-24 | Mindspeed Technologies, Inc. | Rate determination coding |
US6751199B1 (en) * | 2000-04-24 | 2004-06-15 | Qualcomm Incorporated | Method and apparatus for a rate control in a high data rate communication system |
US6564182B1 (en) | 2000-05-12 | 2003-05-13 | Conexant Systems, Inc. | Look-ahead pitch determination |
US7072833B2 (en) | 2000-06-02 | 2006-07-04 | Canon Kabushiki Kaisha | Speech processing system |
US7035790B2 (en) | 2000-06-02 | 2006-04-25 | Canon Kabushiki Kaisha | Speech processing system |
US6954745B2 (en) | 2000-06-02 | 2005-10-11 | Canon Kabushiki Kaisha | Signal processing system |
US7010483B2 (en) | 2000-06-02 | 2006-03-07 | Canon Kabushiki Kaisha | Speech processing system |
US20030004720A1 (en) * | 2001-01-30 | 2003-01-02 | Harinath Garudadri | System and method for computing and transmitting parameters in a distributed voice recognition system |
DE10150519B4 (de) * | 2001-10-12 | 2014-01-09 | Hewlett-Packard Development Co., L.P. | Verfahren und Anordnung zur Sprachverarbeitung |
KR100425982B1 (ko) * | 2001-12-29 | 2004-04-06 | 엘지전자 주식회사 | 아이엠티-2000 망의 음성 데이터 속도 변경 방법 |
US7024353B2 (en) | 2002-08-09 | 2006-04-04 | Motorola, Inc. | Distributed speech recognition with back-end voice activity detection apparatus and method |
US7283956B2 (en) * | 2002-09-18 | 2007-10-16 | Motorola, Inc. | Noise suppression |
US7809150B2 (en) * | 2003-05-27 | 2010-10-05 | Starkey Laboratories, Inc. | Method and apparatus to reduce entrainment-related artifacts for hearing assistance systems |
CN100593197C (zh) * | 2005-02-02 | 2010-03-03 | 富士通株式会社 | 信号处理方法和装置 |
US20070160154A1 (en) * | 2005-03-28 | 2007-07-12 | Sukkar Rafid A | Method and apparatus for injecting comfort noise in a communications signal |
US20060224381A1 (en) * | 2005-04-04 | 2006-10-05 | Nokia Corporation | Detecting speech frames belonging to a low energy sequence |
US8116473B2 (en) | 2006-03-13 | 2012-02-14 | Starkey Laboratories, Inc. | Output phase modulation entrainment containment for digital filters |
US8553899B2 (en) * | 2006-03-13 | 2013-10-08 | Starkey Laboratories, Inc. | Output phase modulation entrainment containment for digital filters |
MX2009001547A (es) | 2006-08-11 | 2009-12-15 | Aclara Power Line Systems Inc | Deteccion de respuestas de sondeo rapidas en un receptor de entrada twacs. |
JP4836720B2 (ja) * | 2006-09-07 | 2011-12-14 | 株式会社東芝 | ノイズサプレス装置 |
US9838784B2 (en) | 2009-12-02 | 2017-12-05 | Knowles Electronics, Llc | Directional audio capture |
US9729976B2 (en) | 2009-12-22 | 2017-08-08 | Starkey Laboratories, Inc. | Acoustic feedback event monitoring system for hearing assistance devices |
US8942398B2 (en) * | 2010-04-13 | 2015-01-27 | Starkey Laboratories, Inc. | Methods and apparatus for early audio feedback cancellation for hearing assistance devices |
US8917891B2 (en) | 2010-04-13 | 2014-12-23 | Starkey Laboratories, Inc. | Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices |
US9654885B2 (en) | 2010-04-13 | 2017-05-16 | Starkey Laboratories, Inc. | Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices |
US8473287B2 (en) | 2010-04-19 | 2013-06-25 | Audience, Inc. | Method for jointly optimizing noise reduction and voice quality in a mono or multi-microphone system |
US8538035B2 (en) | 2010-04-29 | 2013-09-17 | Audience, Inc. | Multi-microphone robust noise suppression |
US8781137B1 (en) | 2010-04-27 | 2014-07-15 | Audience, Inc. | Wind noise detection and suppression |
US8447596B2 (en) | 2010-07-12 | 2013-05-21 | Audience, Inc. | Monaural noise suppression based on computational auditory scene analysis |
US8311817B2 (en) * | 2010-11-04 | 2012-11-13 | Audience, Inc. | Systems and methods for enhancing voice quality in mobile device |
ES2860986T3 (es) | 2010-12-24 | 2021-10-05 | Huawei Tech Co Ltd | Método y aparato para detectar adaptivamente una actividad de voz en una señal de audio de entrada |
US9536540B2 (en) | 2013-07-19 | 2017-01-03 | Knowles Electronics, Llc | Speech signal separation and synthesis based on auditory scene analysis and speech modeling |
WO2016040885A1 (en) | 2014-09-12 | 2016-03-17 | Audience, Inc. | Systems and methods for restoration of speech components |
US9820042B1 (en) | 2016-05-02 | 2017-11-14 | Knowles Electronics, Llc | Stereo separation and directional suppression with omni-directional microphones |
US10861484B2 (en) * | 2018-12-10 | 2020-12-08 | Cirrus Logic, Inc. | Methods and systems for speech detection |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4811404A (en) * | 1987-10-01 | 1989-03-07 | Motorola, Inc. | Noise suppression system |
CA2635914A1 (en) * | 1991-06-11 | 1992-12-23 | Qualcomm Incorporated | Error masking in a variable rate vocoder |
US5410632A (en) * | 1991-12-23 | 1995-04-25 | Motorola, Inc. | Variable hangover time in a voice activity detector |
US5341456A (en) * | 1992-12-02 | 1994-08-23 | Qualcomm Incorporated | Method for determining speech encoding rate in a variable rate vocoder |
US5459814A (en) * | 1993-03-26 | 1995-10-17 | Hughes Aircraft Company | Voice activity detector for speech signals in variable background noise |
JP3484757B2 (ja) * | 1994-05-13 | 2004-01-06 | ソニー株式会社 | 音声信号の雑音低減方法及び雑音区間検出方法 |
US5544250A (en) * | 1994-07-18 | 1996-08-06 | Motorola | Noise suppression system and method therefor |
TW271524B (zh) * | 1994-08-05 | 1996-03-01 | Qualcomm Inc | |
US5687243A (en) * | 1995-09-29 | 1997-11-11 | Motorola, Inc. | Noise suppression apparatus and method |
US5659622A (en) * | 1995-11-13 | 1997-08-19 | Motorola, Inc. | Method and apparatus for suppressing noise in a communication system |
US5920834A (en) * | 1997-01-31 | 1999-07-06 | Qualcomm Incorporated | Echo canceller with talk state determination to control speech processor functional elements in a digital telephone system |
US5937377A (en) * | 1997-02-19 | 1999-08-10 | Sony Corporation | Method and apparatus for utilizing noise reducer to implement voice gain control and equalization |
-
1997
- 1997-02-26 US US08/806,949 patent/US6104993A/en not_active Expired - Lifetime
-
1998
- 1998-01-05 BR BRPI9807369-9A patent/BR9807369B1/pt not_active IP Right Cessation
- 1998-01-05 IL IL13061598A patent/IL130615A/xx not_active IP Right Cessation
- 1998-01-05 CA CA002281696A patent/CA2281696C/en not_active Expired - Lifetime
- 1998-01-05 EP EP98901181A patent/EP0979506B1/en not_active Expired - Lifetime
- 1998-01-05 KR KR1019997007740A patent/KR100333464B1/ko not_active IP Right Cessation
- 1998-01-05 CN CNB988024675A patent/CN1220179C/zh not_active Expired - Lifetime
- 1998-01-05 DE DE69830721T patent/DE69830721T2/de not_active Expired - Lifetime
- 1998-01-05 JP JP53762898A patent/JP4299888B2/ja not_active Expired - Lifetime
- 1998-01-05 WO PCT/US1998/000130 patent/WO1998038631A1/en active IP Right Grant
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105023579A (zh) * | 2014-04-30 | 2015-11-04 | 中国电信股份有限公司 | 语音通信中语音编码实现方法、装置和通信终端 |
WO2018045517A1 (zh) * | 2016-09-07 | 2018-03-15 | 深圳前海达闼云端智能科技有限公司 | 一种VoLTE通信语音编码调整的方法和服务基站 |
US10917452B2 (en) | 2016-09-07 | 2021-02-09 | Cloudminds (Shenzhen) Robotics Systems Co., Ltd. | Speech coding adjustment method in VoLTE communication and serving base station thereof |
CN108028723B (zh) * | 2016-09-07 | 2021-03-16 | 深圳前海达闼云端智能科技有限公司 | 一种VoLTE通信语音编码调整的方法和服务基站 |
WO2021160040A1 (zh) * | 2020-02-11 | 2021-08-19 | 华为技术有限公司 | 音频传输方法及电子设备 |
Also Published As
Publication number | Publication date |
---|---|
DE69830721T2 (de) | 2005-12-15 |
BR9807369B1 (pt) | 2009-08-11 |
BR9807369A (pt) | 2000-03-14 |
IL130615A (en) | 2003-02-12 |
JP4299888B2 (ja) | 2009-07-22 |
US6104993A (en) | 2000-08-15 |
WO1998038631A1 (en) | 1998-09-03 |
IL130615A0 (en) | 2000-06-01 |
EP0979506B1 (en) | 2005-06-29 |
EP0979506A4 (en) | 2000-11-15 |
JP2001513906A (ja) | 2001-09-04 |
CA2281696A1 (en) | 1998-09-03 |
KR20000075674A (ko) | 2000-12-26 |
CN1220179C (zh) | 2005-09-21 |
CA2281696C (en) | 2004-06-22 |
DE69830721D1 (de) | 2005-08-04 |
KR100333464B1 (ko) | 2002-04-18 |
EP0979506A1 (en) | 2000-02-16 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110111 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 Instrunment Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois Instrunment Patentee before: MOTOROLA MOBILITY, Inc. |
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TR01 | Transfer of patent right |
Effective date of registration: 20160509 Address after: American California Patentee after: Google Technology Holdings LLC Address before: Illinois Instrunment Patentee before: MOTOROLA MOBILITY LLC |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20050921 |