JPS5873217A - 信号入力装置 - Google Patents
信号入力装置Info
- Publication number
- JPS5873217A JPS5873217A JP56170833A JP17083381A JPS5873217A JP S5873217 A JPS5873217 A JP S5873217A JP 56170833 A JP56170833 A JP 56170833A JP 17083381 A JP17083381 A JP 17083381A JP S5873217 A JPS5873217 A JP S5873217A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- sound
- output
- signal
- noise
- 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
- 230000003321 amplification Effects 0.000 claims abstract description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 12
- 230000005236 sound signal Effects 0.000 claims abstract description 10
- 239000000284 extract Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000009499 grossing Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010183 spectrum analysis Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
Landscapes
- Control Of Amplification And Gain Control (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56170833A JPS5873217A (ja) | 1981-10-27 | 1981-10-27 | 信号入力装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56170833A JPS5873217A (ja) | 1981-10-27 | 1981-10-27 | 信号入力装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5873217A true JPS5873217A (ja) | 1983-05-02 |
| JPS6367199B2 JPS6367199B2 (cs) | 1988-12-23 |
Family
ID=15912172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56170833A Granted JPS5873217A (ja) | 1981-10-27 | 1981-10-27 | 信号入力装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5873217A (cs) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61170800A (ja) * | 1985-01-25 | 1986-08-01 | ロ−ム株式会社 | 音声識別回路 |
| JP2012016039A (ja) * | 2000-04-14 | 2012-01-19 | Harman Internatl Industries Inc | 動的音響最適化方法および装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04347293A (ja) * | 1991-05-23 | 1992-12-02 | Yoshida Kogyo Kk <Ykk> | シャッターの障害物感知装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5162604A (en) * | 1974-11-28 | 1976-05-31 | Fujitsu Ltd | Onseinyuryokusochi |
| JPS52120534U (cs) * | 1976-03-03 | 1977-09-13 | ||
| JPS5443637U (cs) * | 1977-09-01 | 1979-03-26 | ||
| JPS5491007A (en) * | 1977-12-28 | 1979-07-19 | Nec Corp | Audio recognition unit |
| JPS57158700A (en) * | 1981-03-25 | 1982-09-30 | Nissan Motor | Voice recognition unit for vehicle |
-
1981
- 1981-10-27 JP JP56170833A patent/JPS5873217A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5162604A (en) * | 1974-11-28 | 1976-05-31 | Fujitsu Ltd | Onseinyuryokusochi |
| JPS52120534U (cs) * | 1976-03-03 | 1977-09-13 | ||
| JPS5443637U (cs) * | 1977-09-01 | 1979-03-26 | ||
| JPS5491007A (en) * | 1977-12-28 | 1979-07-19 | Nec Corp | Audio recognition unit |
| JPS57158700A (en) * | 1981-03-25 | 1982-09-30 | Nissan Motor | Voice recognition unit for vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61170800A (ja) * | 1985-01-25 | 1986-08-01 | ロ−ム株式会社 | 音声識別回路 |
| JP2012016039A (ja) * | 2000-04-14 | 2012-01-19 | Harman Internatl Industries Inc | 動的音響最適化方法および装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6367199B2 (cs) | 1988-12-23 |
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