KR920020873A - Training method of voice communication device and acoustic echo canceller - Google Patents
Training method of voice communication device and acoustic echo canceller Download PDFInfo
- Publication number
- KR920020873A KR920020873A KR1019920006834A KR920006834A KR920020873A KR 920020873 A KR920020873 A KR 920020873A KR 1019920006834 A KR1019920006834 A KR 1019920006834A KR 920006834 A KR920006834 A KR 920006834A KR 920020873 A KR920020873 A KR 920020873A
- Authority
- KR
- South Korea
- Prior art keywords
- sound
- acoustic echo
- training
- speaker
- acoustic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
내용 없음.No content.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1도는 본 발명의 일실시예에 의한 무선전화 장치의 구성을 나타낸 회로블록도.1 is a circuit block diagram showing the configuration of a radiotelephone apparatus according to an embodiment of the present invention.
제2도는 제1도에 나타낸 장치의 요부구성을 나타낸 회로블록도.2 is a circuit block diagram showing the main components of the apparatus shown in FIG.
제3도는 제1도에 나타낸 장치중의 제어회로의 수신대기제어수순 및 제어내용을 나타낸 플로우챠트.FIG. 3 is a flowchart showing the reception standby control procedure and control contents of the control circuit in the apparatus shown in FIG.
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP91-99128 | 1991-04-30 | ||
JP09912891A JP3253646B2 (en) | 1991-04-30 | 1991-04-30 | Voice communication device and acoustic echo canceller training method |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920020873A true KR920020873A (en) | 1992-11-21 |
KR0138642B1 KR0138642B1 (en) | 1998-07-01 |
Family
ID=14239118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920006834A KR0138642B1 (en) | 1991-04-30 | 1992-04-23 | Echo canceller |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP3253646B2 (en) |
KR (1) | KR0138642B1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995031051A1 (en) * | 1994-05-07 | 1995-11-16 | Ntt Mobile Communications Network Inc. | Echo canceler and its learning method |
JP2002353863A (en) * | 2001-05-30 | 2002-12-06 | Toyo Commun Equip Co Ltd | Echo canceller |
JP2005269546A (en) * | 2004-03-22 | 2005-09-29 | Pioneer Electronic Corp | Device, method and program for echo cancellation |
JP4725422B2 (en) * | 2006-06-02 | 2011-07-13 | コニカミノルタホールディングス株式会社 | Echo cancellation circuit, acoustic device, network camera, and echo cancellation method |
-
1991
- 1991-04-30 JP JP09912891A patent/JP3253646B2/en not_active Expired - Fee Related
-
1992
- 1992-04-23 KR KR1019920006834A patent/KR0138642B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP3253646B2 (en) | 2002-02-04 |
JPH04329031A (en) | 1992-11-17 |
KR0138642B1 (en) | 1998-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
J2X1 | Appeal (before the patent court) |
Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL |
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B701 | Decision to grant | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20050131 Year of fee payment: 8 |
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LAPS | Lapse due to unpaid annual fee |