TW256910B - Baby crying recognizer - Google Patents
Baby crying recognizerInfo
- Publication number
- TW256910B TW256910B TW82107681A TW82107681A TW256910B TW 256910 B TW256910 B TW 256910B TW 82107681 A TW82107681 A TW 82107681A TW 82107681 A TW82107681 A TW 82107681A TW 256910 B TW256910 B TW 256910B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- zero crossing
- amplifier
- recognizer
- rate
- Prior art date
Links
Landscapes
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
A baby crying recognizing system includes: (1) an amplifier for amplifying the sound signal; (2) a pulse generator connected with amplifier for generating a zero crossing signal which is generated by inputting the amplified signal through the amplifier into pulse generator; and a signal recognizer for receiving the zero crossing signal to get zero crossing rate of each frame pulse signal in predetermined frame number under fixed time zone and output a recognition signal under the condition of the below two conditions are satisfied: case 1, the zero crossing rate of continuous first threshold frames is in a specific range; case 2, the total zero rate of whole time zone is larger one second threshold value and less than one third threshold value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW82107681A TW256910B (en) | 1993-09-16 | 1993-09-16 | Baby crying recognizer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW82107681A TW256910B (en) | 1993-09-16 | 1993-09-16 | Baby crying recognizer |
Publications (1)
Publication Number | Publication Date |
---|---|
TW256910B true TW256910B (en) | 1995-09-11 |
Family
ID=51401673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW82107681A TW256910B (en) | 1993-09-16 | 1993-09-16 | Baby crying recognizer |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW256910B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI474315B (en) * | 2012-05-25 | 2015-02-21 | Univ Nat Taiwan Normal | Infant cries analysis method and system |
TWI597720B (en) * | 2017-01-04 | 2017-09-01 | 晨星半導體股份有限公司 | Baby cry detection circuit and associated detection method |
-
1993
- 1993-09-16 TW TW82107681A patent/TW256910B/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI474315B (en) * | 2012-05-25 | 2015-02-21 | Univ Nat Taiwan Normal | Infant cries analysis method and system |
TWI597720B (en) * | 2017-01-04 | 2017-09-01 | 晨星半導體股份有限公司 | Baby cry detection circuit and associated detection method |
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