JPS5985140A - デ−タ伝送制御装置 - Google Patents
デ−タ伝送制御装置Info
- Publication number
- JPS5985140A JPS5985140A JP19438282A JP19438282A JPS5985140A JP S5985140 A JPS5985140 A JP S5985140A JP 19438282 A JP19438282 A JP 19438282A JP 19438282 A JP19438282 A JP 19438282A JP S5985140 A JPS5985140 A JP S5985140A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- echo
- error rate
- line
- circuit
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 claims description 7
- 238000012549 training Methods 0.000 abstract description 17
- 239000000872 buffer Substances 0.000 abstract description 9
- 230000006854 communication Effects 0.000 abstract description 9
- 238000004891 communication Methods 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 4
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000007175 bidirectional communication Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 241000238366 Cephalopoda Species 0.000 description 1
- 101100434906 Mus musculus Angptl8 gene Proteins 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
- H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
- H04B3/238—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers using initial training sequence
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Bidirectional Digital Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19438282A JPS5985140A (ja) | 1982-11-05 | 1982-11-05 | デ−タ伝送制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19438282A JPS5985140A (ja) | 1982-11-05 | 1982-11-05 | デ−タ伝送制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5985140A true JPS5985140A (ja) | 1984-05-17 |
| JPS6254248B2 JPS6254248B2 (enrdf_load_stackoverflow) | 1987-11-13 |
Family
ID=16323664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19438282A Granted JPS5985140A (ja) | 1982-11-05 | 1982-11-05 | デ−タ伝送制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5985140A (enrdf_load_stackoverflow) |
-
1982
- 1982-11-05 JP JP19438282A patent/JPS5985140A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6254248B2 (enrdf_load_stackoverflow) | 1987-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1268546A (en) | Stereophonic voice signal transmission system | |
| JP4809405B2 (ja) | 逆多重の方法 | |
| JP2000049668A (ja) | エコーキャンセラ | |
| JPS5985140A (ja) | デ−タ伝送制御装置 | |
| US5694425A (en) | Digital audio signal transmitting apparatus | |
| US20040179676A1 (en) | Speech communication apparatus | |
| US5461661A (en) | Line disconnection detection circuit for echo-cancelling transceivers | |
| JPS5881346A (ja) | 干渉制御器 | |
| JP2644070B2 (ja) | エコーキャンセラのリモート・ループバック試験方式 | |
| JP2507652B2 (ja) | エコ―キャンセラ | |
| CN114639389B (zh) | 语音通信回声消除的方法、设备及系统 | |
| JPH08154084A (ja) | ディジタル送受信方法とその装置 | |
| JP3099493B2 (ja) | 情報伝送装置 | |
| JP3471722B2 (ja) | エコーキャンセラー | |
| JP3460783B2 (ja) | 通話機の音声スイッチ | |
| JP5219000B2 (ja) | エコーキャンセラ及びエコーキャンセラの制御方法 | |
| JP2006074642A (ja) | 会議電話装置 | |
| JP2937616B2 (ja) | 音声符号化復号化装置のループバック回路 | |
| JPS60136464A (ja) | Ｐｂ信号消去制御方式 | |
| JPH06104796A (ja) | 音声応答装置 | |
| JPH09275367A (ja) | エコーキャンセラ装置 | |
| JPH05211495A (ja) | アナログ秘話装置 | |
| JPH04119028A (ja) | 音声検出器 | |
| JPS6324578B2 (enrdf_load_stackoverflow) | ||
| JPH04196624A (ja) | エコーキャンセラ装置 |