JPS6135630A - エコ−キヤンセラ - Google Patents
エコ−キヤンセラInfo
- Publication number
- JPS6135630A JPS6135630A JP15785184A JP15785184A JPS6135630A JP S6135630 A JPS6135630 A JP S6135630A JP 15785184 A JP15785184 A JP 15785184A JP 15785184 A JP15785184 A JP 15785184A JP S6135630 A JPS6135630 A JP S6135630A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- input signal
- side input
- register
- receiving side
- 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
- 230000003044 adaptive effect Effects 0.000 claims description 19
- 230000004044 response Effects 0.000 claims description 13
- 230000015654 memory Effects 0.000 description 27
- 238000000034 method Methods 0.000 description 20
- 238000004364 calculation method Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 12
- 108010076504 Protein Sorting Signals Proteins 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000005311 autocorrelation function Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 238000002945 steepest descent method Methods 0.000 description 2
- 241000478345 Afer Species 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 230000001373 regressive effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000017105 transposition 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15785184A JPS6135630A (ja) | 1984-07-27 | 1984-07-27 | エコ−キヤンセラ |
US06/758,806 US4672665A (en) | 1984-07-27 | 1985-07-25 | Echo canceller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15785184A JPS6135630A (ja) | 1984-07-27 | 1984-07-27 | エコ−キヤンセラ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6135630A true JPS6135630A (ja) | 1986-02-20 |
JPH0448005B2 JPH0448005B2 (enrdf_load_stackoverflow) | 1992-08-05 |
Family
ID=15658753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15785184A Granted JPS6135630A (ja) | 1984-07-27 | 1984-07-27 | エコ−キヤンセラ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6135630A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008209445A (ja) * | 2007-02-23 | 2008-09-11 | Nippon Telegr & Teleph Corp <Ntt> | 残響除去装置、残響除去方法、残響除去プログラム、記録媒体 |
JP2008292845A (ja) * | 2007-05-25 | 2008-12-04 | Nippon Telegr & Teleph Corp <Ntt> | 残響除去装置、残響除去方法、残響除去プログラム、および、その記録媒体 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57212831A (en) * | 1981-06-24 | 1982-12-27 | Kokusai Denshin Denwa Co Ltd <Kdd> | Echo controlling system |
-
1984
- 1984-07-27 JP JP15785184A patent/JPS6135630A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57212831A (en) * | 1981-06-24 | 1982-12-27 | Kokusai Denshin Denwa Co Ltd <Kdd> | Echo controlling system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008209445A (ja) * | 2007-02-23 | 2008-09-11 | Nippon Telegr & Teleph Corp <Ntt> | 残響除去装置、残響除去方法、残響除去プログラム、記録媒体 |
JP2008292845A (ja) * | 2007-05-25 | 2008-12-04 | Nippon Telegr & Teleph Corp <Ntt> | 残響除去装置、残響除去方法、残響除去プログラム、および、その記録媒体 |
Also Published As
Publication number | Publication date |
---|---|
JPH0448005B2 (enrdf_load_stackoverflow) | 1992-08-05 |
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