JPS6190527A - ト−ンスケルチ装置 - Google Patents
ト−ンスケルチ装置Info
- Publication number
- JPS6190527A JPS6190527A JP21209484A JP21209484A JPS6190527A JP S6190527 A JPS6190527 A JP S6190527A JP 21209484 A JP21209484 A JP 21209484A JP 21209484 A JP21209484 A JP 21209484A JP S6190527 A JPS6190527 A JP S6190527A
- Authority
- JP
- Japan
- Prior art keywords
- output
- frequency
- tone
- noise
- audio
- 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
- 239000000284 extract Substances 0.000 claims abstract description 7
- 238000007493 shaping process Methods 0.000 claims description 8
- 230000007257 malfunction Effects 0.000 abstract description 21
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Landscapes
- Noise Elimination (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21209484A JPS6190527A (ja) | 1984-10-09 | 1984-10-09 | ト−ンスケルチ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21209484A JPS6190527A (ja) | 1984-10-09 | 1984-10-09 | ト−ンスケルチ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6190527A true JPS6190527A (ja) | 1986-05-08 |
| JPS6331966B2 JPS6331966B2 (enExample) | 1988-06-28 |
Family
ID=16616773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21209484A Granted JPS6190527A (ja) | 1984-10-09 | 1984-10-09 | ト−ンスケルチ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6190527A (enExample) |
-
1984
- 1984-10-09 JP JP21209484A patent/JPS6190527A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6331966B2 (enExample) | 1988-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10971169B2 (en) | Sound signal processing device | |
| CA1184129A (en) | Arrangement for reducing the noise in a speech signal mixed with noise | |
| US5408529A (en) | Dual tone detector operable in the presence of speech or background noise and method therefor | |
| US20050018862A1 (en) | Digital signal processing system and method for a telephony interface apparatus | |
| JPH0445023B2 (enExample) | ||
| JP3389341B2 (ja) | Ｆｍ受信機 | |
| US20010040963A1 (en) | Noise reduction circuit for telephones | |
| JPH06311121A (ja) | 音声信号内のパルス状妨害信号の検出方法および装置 | |
| JPS6121636A (ja) | 隣接チヤンネルの干渉を減少した受信器 | |
| US4295106A (en) | Method and means for introducing additional asymmetry into audio waves | |
| JPS6190527A (ja) | ト−ンスケルチ装置 | |
| US7133478B2 (en) | Device and method for detecting and suppressing noise | |
| CN207835437U (zh) | 一种带静噪超外差的对讲机接收电路 | |
| JPH0228878B2 (enExample) | ||
| KR100272130B1 (ko) | 전화기에서의 하울링 제거 장치 및 방법 | |
| JPH0323718Y2 (enExample) | ||
| JPS6310639B2 (enExample) | ||
| JP3159728B2 (ja) | Ａｍ／ｆｍ雑音除去回路 | |
| JPH03930B2 (enExample) | ||
| JPS639772B2 (enExample) | ||
| JP3789318B2 (ja) | Ｆｍ受信機 | |
| JPS6178296A (ja) | 信号受信器 | |
| JPS6193712A (ja) | オ−デイオ装置における音質調整装置 | |
| JPS6048624A (ja) | スケルチ制御回路 | |
| JPS6066563A (ja) | 同時通話インタ−ホン装置 |