JPH02147943U - - Google Patents
Info
- Publication number
- JPH02147943U JPH02147943U JP5821789U JP5821789U JPH02147943U JP H02147943 U JPH02147943 U JP H02147943U JP 5821789 U JP5821789 U JP 5821789U JP 5821789 U JP5821789 U JP 5821789U JP H02147943 U JPH02147943 U JP H02147943U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- compressed
- echo canceller
- code
- training
- 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.)
- Pending
Links
- 238000001228 spectrum Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Description
第１図はこの考案の一実施例によるエコーキヤ
ンセラー装置を示すブロツク図、第２図は従来の
エコーキヤンセラー装置を示すブロツク図である
。
図において、１は信号発生装置である。なお、
図中、同一符号は同一、または相当部分を示す。
FIG. 1 is a block diagram showing an echo canceller device according to an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional echo canceller device. In the figure, 1 is a signal generator. In addition,
In the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
めの信号発生装置で符号圧縮されたデジタル信号
のメモリと、その復調回路を含み、その符号圧縮
する信号源には、所要帯域でほぼ平坦な周波数ス
ペクトラムをもちかつ、緩やかな振巾変調を行な
つている信号を使用することを特徴とするエコー
キヤンセラー装置。 It includes a memory for a digital signal code-compressed by a signal generator for training the echo canceller, and a demodulation circuit therefor, and the signal source to be code-compressed has a substantially flat frequency spectrum in the required band, and An echo canceller device characterized in that it uses a signal that undergoes gentle amplitude modulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5821789U JPH02147943U (en) | 1989-05-18 | 1989-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5821789U JPH02147943U (en) | 1989-05-18 | 1989-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02147943U true JPH02147943U (en) | 1990-12-17 |
Family
ID=31583624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5821789U Pending JPH02147943U (en) | 1989-05-18 | 1989-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02147943U (en) |
-
1989
- 1989-05-18 JP JP5821789U patent/JPH02147943U/ja active Pending
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