JPH0586718B2 - - Google Patents
Info
- Publication number
- JPH0586718B2 JPH0586718B2 JP11934784A JP11934784A JPH0586718B2 JP H0586718 B2 JPH0586718 B2 JP H0586718B2 JP 11934784 A JP11934784 A JP 11934784A JP 11934784 A JP11934784 A JP 11934784A JP H0586718 B2 JPH0586718 B2 JP H0586718B2
- Authority
- JP
- Japan
- Prior art keywords
- howling
- pass filter
- section
- low
- output
- 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 - Lifetime
Links
- 238000012546 transfer Methods 0.000 claims description 36
- 230000001629 suppression Effects 0.000 claims description 29
- 238000001514 detection method Methods 0.000 claims description 9
- 239000000284 extract Substances 0.000 claims description 5
- 230000004044 response Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 11
- 238000005070 sampling Methods 0.000 description 7
- 230000003321 amplification Effects 0.000 description 6
- 238000003199 nucleic acid amplification method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000030808 detection of mechanical stimulus involved in sensory perception of sound Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012545 processing 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
- H04B3/21—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a set of bandfilters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Circuit For Audible Band Transducer (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11934784A JPS60263598A (ja) | 1984-06-11 | 1984-06-11 | ハウリング抑圧装置 |
US06/719,740 US4747132A (en) | 1984-04-09 | 1985-04-03 | Howling canceller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11934784A JPS60263598A (ja) | 1984-06-11 | 1984-06-11 | ハウリング抑圧装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60263598A JPS60263598A (ja) | 1985-12-27 |
JPH0586718B2 true JPH0586718B2 (enrdf_load_stackoverflow) | 1993-12-14 |
Family
ID=14759236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11934784A Granted JPS60263598A (ja) | 1984-04-09 | 1984-06-11 | ハウリング抑圧装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60263598A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0658064A3 (en) * | 1993-12-09 | 2004-09-01 | Matsushita Electric Industrial Co., Ltd. | Acoustic reproducing apparatus |
-
1984
- 1984-06-11 JP JP11934784A patent/JPS60263598A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60263598A (ja) | 1985-12-27 |
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