JPS5491007A - Audio recognition unit - Google Patents
Audio recognition unitInfo
- Publication number
- JPS5491007A JPS5491007A JP15796777A JP15796777A JPS5491007A JP S5491007 A JPS5491007 A JP S5491007A JP 15796777 A JP15796777 A JP 15796777A JP 15796777 A JP15796777 A JP 15796777A JP S5491007 A JPS5491007 A JP S5491007A
- Authority
- JP
- Japan
- Prior art keywords
- voice
- level
- noise
- period
- microphone
- 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
Abstract
PURPOSE: To reject error recognition due to noises generated during voice production, by eliminating ambient noises generated closely or being isolated from the voice production by detecting a voice period with a real voice level.
CONSTITUTION: This unit consists of voice collecting microphone 10, voice level measurement part 20 for the calculation of the strength level of collected voice signals, ambient-noise collecting microphone 30, noise-level measurement part 40 for the calculation of the strength level of collected noise signals, voice detection part 50 which determines a voice period by detecting the voice level compensated at a noise level, and recognition processing part 60 which recognizes an input voice by analyzing and discriminating signals in the voice period. Then, mixing noises from microphone 10 are compensated at the noise level obtained by microphone 30 and measurement part 40 and the detection of the voice period is attained at a real voice level.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15796777A JPS5491007A (en) | 1977-12-28 | 1977-12-28 | Audio recognition unit |
CA318,539A CA1116300A (en) | 1977-12-28 | 1978-12-22 | Speech recognition system |
US05/974,274 US4239936A (en) | 1977-12-28 | 1978-12-28 | Speech recognition system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15796777A JPS5491007A (en) | 1977-12-28 | 1977-12-28 | Audio recognition unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5491007A true JPS5491007A (en) | 1979-07-19 |
Family
ID=15661346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15796777A Pending JPS5491007A (en) | 1977-12-28 | 1977-12-28 | Audio recognition unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5491007A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5511250A (en) * | 1978-07-11 | 1980-01-26 | Sanyo Electric Co | Voice discriminating circuit in remote controller |
JPS5683844U (en) * | 1979-11-30 | 1981-07-06 | ||
JPS5732500A (en) * | 1980-08-05 | 1982-02-22 | Tokyo Shibaura Electric Co | Voice recognizing device |
JPS57177199A (en) * | 1981-04-25 | 1982-10-30 | Tokyo Shibaura Electric Co | Input device for sound |
JPS5870292A (en) * | 1981-10-22 | 1983-04-26 | 日産自動車株式会社 | Voice recognition equipment for vehicle |
JPS5870290A (en) * | 1981-10-22 | 1983-04-26 | 日産自動車株式会社 | Voice recognition equipment for vehicle |
JPS5873217A (en) * | 1981-10-27 | 1983-05-02 | Comput Basic Mach Technol Res Assoc | Signal input device |
JPS58143397A (en) * | 1982-02-19 | 1983-08-25 | 三洋電機株式会社 | Voice recognition unit |
-
1977
- 1977-12-28 JP JP15796777A patent/JPS5491007A/en active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5511250A (en) * | 1978-07-11 | 1980-01-26 | Sanyo Electric Co | Voice discriminating circuit in remote controller |
JPS5683844U (en) * | 1979-11-30 | 1981-07-06 | ||
JPS5732500A (en) * | 1980-08-05 | 1982-02-22 | Tokyo Shibaura Electric Co | Voice recognizing device |
JPS57177199A (en) * | 1981-04-25 | 1982-10-30 | Tokyo Shibaura Electric Co | Input device for sound |
JPS5870292A (en) * | 1981-10-22 | 1983-04-26 | 日産自動車株式会社 | Voice recognition equipment for vehicle |
JPS5870290A (en) * | 1981-10-22 | 1983-04-26 | 日産自動車株式会社 | Voice recognition equipment for vehicle |
JPS6367198B2 (en) * | 1981-10-22 | 1988-12-23 | Nissan Motor | |
JPH0136639B2 (en) * | 1981-10-22 | 1989-08-01 | Nissan Motor | |
JPS5873217A (en) * | 1981-10-27 | 1983-05-02 | Comput Basic Mach Technol Res Assoc | Signal input device |
JPS6367199B2 (en) * | 1981-10-27 | 1988-12-23 | Denshi Keisanki Kippon Gijutsu Kenkyu Kumiai | |
JPS58143397A (en) * | 1982-02-19 | 1983-08-25 | 三洋電機株式会社 | Voice recognition unit |
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