JPS6212249A - 音声スイツチ装置 - Google Patents
音声スイツチ装置Info
- Publication number
- JPS6212249A JPS6212249A JP15205285A JP15205285A JPS6212249A JP S6212249 A JPS6212249 A JP S6212249A JP 15205285 A JP15205285 A JP 15205285A JP 15205285 A JP15205285 A JP 15205285A JP S6212249 A JPS6212249 A JP S6212249A
- Authority
- JP
- Japan
- Prior art keywords
- ratio
- noise
- signal
- signal level
- voice
- 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
- 238000001514 detection method Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005236 sound signal Effects 0.000 description 20
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15205285A JPS6212249A (ja) | 1985-07-09 | 1985-07-09 | 音声スイツチ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15205285A JPS6212249A (ja) | 1985-07-09 | 1985-07-09 | 音声スイツチ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6212249A true JPS6212249A (ja) | 1987-01-21 |
JPH055420B2 JPH055420B2 (enrdf_load_stackoverflow) | 1993-01-22 |
Family
ID=15531994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15205285A Granted JPS6212249A (ja) | 1985-07-09 | 1985-07-09 | 音声スイツチ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6212249A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04211327A (ja) * | 1990-01-12 | 1992-08-03 | Unilever Nv | 牛乳非含有クリーム |
US5559880A (en) * | 1993-01-19 | 1996-09-24 | Mitsubishi Denki Kabushiki Kaisha | Circuit for hands free talking |
WO2006041123A1 (ja) * | 2004-10-13 | 2006-04-20 | Toa Corporation | 通話装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57152262A (en) * | 1981-03-13 | 1982-09-20 | Nec Corp | Audio switch circuit |
JPS57159158A (en) * | 1981-03-25 | 1982-10-01 | Fujitsu Ltd | Audio switch circuit |
JPS59230356A (ja) * | 1983-06-14 | 1984-12-24 | Matsushita Electric Ind Co Ltd | ハンドフリ−通話装置 |
-
1985
- 1985-07-09 JP JP15205285A patent/JPS6212249A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57152262A (en) * | 1981-03-13 | 1982-09-20 | Nec Corp | Audio switch circuit |
JPS57159158A (en) * | 1981-03-25 | 1982-10-01 | Fujitsu Ltd | Audio switch circuit |
JPS59230356A (ja) * | 1983-06-14 | 1984-12-24 | Matsushita Electric Ind Co Ltd | ハンドフリ−通話装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04211327A (ja) * | 1990-01-12 | 1992-08-03 | Unilever Nv | 牛乳非含有クリーム |
US5559880A (en) * | 1993-01-19 | 1996-09-24 | Mitsubishi Denki Kabushiki Kaisha | Circuit for hands free talking |
WO2006041123A1 (ja) * | 2004-10-13 | 2006-04-20 | Toa Corporation | 通話装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH055420B2 (enrdf_load_stackoverflow) | 1993-01-22 |
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