KR20000068950A - 신호의 미싱 부분을 복구하는 기능이 향상된 전송 시스템 - Google Patents
신호의 미싱 부분을 복구하는 기능이 향상된 전송 시스템 Download PDFInfo
- Publication number
- KR20000068950A KR20000068950A KR1019997004135A KR19997004135A KR20000068950A KR 20000068950 A KR20000068950 A KR 20000068950A KR 1019997004135 A KR1019997004135 A KR 1019997004135A KR 19997004135 A KR19997004135 A KR 19997004135A KR 20000068950 A KR20000068950 A KR 20000068950A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- quality
- recovery
- encoded signal
- recovered
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 39
- 238000011084 recovery Methods 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 15
- 230000007423 decrease Effects 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 description 6
- 230000005284 excitation Effects 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
-
- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
-
- 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
- G10L19/012—Comfort noise or silence coding
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97402129.7 | 1997-09-12 | ||
| EP97402129 | 1997-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20000068950A true KR20000068950A (ko) | 2000-11-25 |
Family
ID=8229846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019997004135A KR20000068950A (ko) | 1997-09-12 | 1998-08-17 | 신호의 미싱 부분을 복구하는 기능이 향상된 전송 시스템 |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0938781A2 (de) |
| JP (1) | JP2001508268A (de) |
| KR (1) | KR20000068950A (de) |
| CN (1) | CN1243621A (de) |
| TW (1) | TW424365B (de) |
| WO (1) | WO1999014866A2 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3881157B2 (ja) | 2000-05-23 | 2007-02-14 | 株式会社エヌ・ティ・ティ・ドコモ | 音声処理方法及び音声処理装置 |
| CA2388439A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for efficient frame erasure concealment in linear predictive based speech codecs |
| CA2602860A1 (en) * | 2005-04-04 | 2006-10-12 | That Corporation | Signal quality estimation and control system |
| JP4730183B2 (ja) * | 2006-04-17 | 2011-07-20 | 株式会社日立製作所 | 映像表示装置 |
| CN101894565B (zh) * | 2009-05-19 | 2013-03-20 | 华为技术有限公司 | 语音信号修复方法和装置 |
| JP5703048B2 (ja) * | 2011-02-04 | 2015-04-15 | キヤノン株式会社 | 通信装置、通信装置の制御方法、およびプログラム |
| CN102568488B (zh) * | 2012-02-23 | 2013-06-12 | 安徽创世科技有限公司 | 一种抑制网络丢包影响的语音数据后处理方法 |
| WO2014202784A1 (en) | 2013-06-21 | 2014-12-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for improved signal fade out for switched audio coding systems during error concealment |
| JP6721977B2 (ja) * | 2015-12-15 | 2020-07-15 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ | 音声音響信号符号化装置、音声音響信号復号装置、音声音響信号符号化方法、及び、音声音響信号復号方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3374109D1 (en) * | 1983-10-28 | 1987-11-19 | Ibm | Method of recovering lost information in a digital speech transmission system, and transmission system using said method |
| US5036388A (en) * | 1988-11-10 | 1991-07-30 | U.S. Philips Corporation | Apparatus including an improved device for recovering the d.c. component |
| EP0392126B1 (de) * | 1989-04-11 | 1994-07-20 | International Business Machines Corporation | Verfahren zur schnellen Bestimmung der Grundfrequenz in Sprachcodierern mit langfristiger Prädiktion |
| FR2654566A1 (fr) * | 1989-11-14 | 1991-05-17 | Philips Laboratoires Electroni | Dispositif de decodage ameliore de signaux de television de type hd-mac. |
| US5550847A (en) * | 1994-10-11 | 1996-08-27 | Motorola, Inc. | Device and method of signal loss recovery for realtime and/or interactive communications |
| JP3498964B2 (ja) * | 1994-10-31 | 2004-02-23 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 簡単な誤り補正付きのディジタル伝送兼記録システム |
| US5708756A (en) * | 1995-02-24 | 1998-01-13 | Industrial Technology Research Institute | Low delay, middle bit rate speech coder |
-
1998
- 1998-08-17 CN CN98801792A patent/CN1243621A/zh active Pending
- 1998-08-17 WO PCT/IB1998/001262 patent/WO1999014866A2/en not_active Application Discontinuation
- 1998-08-17 KR KR1019997004135A patent/KR20000068950A/ko not_active Application Discontinuation
- 1998-08-17 EP EP98936615A patent/EP0938781A2/de not_active Withdrawn
- 1998-08-17 JP JP51758599A patent/JP2001508268A/ja active Pending
- 1998-09-19 TW TW087115650A patent/TW424365B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| TW424365B (en) | 2001-03-01 |
| CN1243621A (zh) | 2000-02-02 |
| WO1999014866A2 (en) | 1999-03-25 |
| JP2001508268A (ja) | 2001-06-19 |
| WO1999014866A3 (en) | 1999-06-10 |
| EP0938781A2 (de) | 1999-09-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |