JPS59146231A - エコ−・キヤンセラ−装置 - Google Patents
エコ−・キヤンセラ−装置Info
- Publication number
- JPS59146231A JPS59146231A JP2029483A JP2029483A JPS59146231A JP S59146231 A JPS59146231 A JP S59146231A JP 2029483 A JP2029483 A JP 2029483A JP 2029483 A JP2029483 A JP 2029483A JP S59146231 A JPS59146231 A JP S59146231A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- echo
- pseudo
- hybrid circuit
- echo signal
- 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 claims description 9
- 230000003111 delayed effect Effects 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 13
- 238000004364 calculation method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000005070 sampling Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000238413 Octopus Species 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002063 nanoring Substances 0.000 description 1
- 230000007935 neutral effect Effects 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2029483A JPS59146231A (ja) | 1983-02-09 | 1983-02-09 | エコ−・キヤンセラ−装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2029483A JPS59146231A (ja) | 1983-02-09 | 1983-02-09 | エコ−・キヤンセラ−装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59146231A true JPS59146231A (ja) | 1984-08-22 |
JPS6343012B2 JPS6343012B2 (enrdf_load_stackoverflow) | 1988-08-26 |
Family
ID=12023139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2029483A Granted JPS59146231A (ja) | 1983-02-09 | 1983-02-09 | エコ−・キヤンセラ−装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59146231A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61256833A (ja) * | 1985-01-29 | 1986-11-14 | ブリテイシユ・テレコミユニケ−シヨンズ・パブリツク・リミテツド・カンパニ | 雑音キヤンセル方法および装置ならびに全二重モデム |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58120327A (ja) * | 1982-01-11 | 1983-07-18 | Toshiba Corp | エコ−・キヤンセラ−装置 |
-
1983
- 1983-02-09 JP JP2029483A patent/JPS59146231A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58120327A (ja) * | 1982-01-11 | 1983-07-18 | Toshiba Corp | エコ−・キヤンセラ−装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61256833A (ja) * | 1985-01-29 | 1986-11-14 | ブリテイシユ・テレコミユニケ−シヨンズ・パブリツク・リミテツド・カンパニ | 雑音キヤンセル方法および装置ならびに全二重モデム |
US5113389A (en) * | 1985-01-29 | 1992-05-12 | British Telecommunications Public Limited Company | Noise cancellation |
Also Published As
Publication number | Publication date |
---|---|
JPS6343012B2 (enrdf_load_stackoverflow) | 1988-08-26 |
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