JPS634986B2 - - Google Patents
Info
- Publication number
- JPS634986B2 JPS634986B2 JP20967281A JP20967281A JPS634986B2 JP S634986 B2 JPS634986 B2 JP S634986B2 JP 20967281 A JP20967281 A JP 20967281A JP 20967281 A JP20967281 A JP 20967281A JP S634986 B2 JPS634986 B2 JP S634986B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- acoustic path
- pseudo
- temperature
- delay line
- 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.)
- Expired
Links
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000002265 prevention Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000001934 delay Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000012937 correction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20967281A JPS58114555A (ja) | 1981-12-28 | 1981-12-28 | ハウリング防止装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20967281A JPS58114555A (ja) | 1981-12-28 | 1981-12-28 | ハウリング防止装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58114555A JPS58114555A (ja) | 1983-07-07 |
| JPS634986B2 true JPS634986B2 (enrdf_load_stackoverflow) | 1988-02-01 |
Family
ID=16576689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20967281A Granted JPS58114555A (ja) | 1981-12-28 | 1981-12-28 | ハウリング防止装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58114555A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259033A (en) * | 1989-08-30 | 1993-11-02 | Gn Danavox As | Hearing aid having compensation for acoustic feedback |
| JP2560923B2 (ja) * | 1991-03-05 | 1996-12-04 | ヤマハ株式会社 | ハウリングキャンセル装置 |
| JP2004297185A (ja) * | 2003-03-25 | 2004-10-21 | Nappu Enterprise Kk | エコー防止回路 |
| FR2944374A1 (fr) * | 2009-04-09 | 2010-10-15 | Ct Scient Tech Batiment Cstb | Dispositif electroacoustique destine notamment a une salle de concert |
-
1981
- 1981-12-28 JP JP20967281A patent/JPS58114555A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58114555A (ja) | 1983-07-07 |
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