IT1258548B - Electronic device for autoregulation of the acoustic pressure of music, especially for ballrooms - Google Patents
Electronic device for autoregulation of the acoustic pressure of music, especially for ballroomsInfo
- Publication number
- IT1258548B IT1258548B ITBO920215A ITBO920215A IT1258548B IT 1258548 B IT1258548 B IT 1258548B IT BO920215 A ITBO920215 A IT BO920215A IT BO920215 A ITBO920215 A IT BO920215A IT 1258548 B IT1258548 B IT 1258548B
- Authority
- IT
- Italy
- Prior art keywords
- program
- acoustic pressure
- pressure
- intervention
- time
- Prior art date
Links
- 230000010455 autoregulation Effects 0.000 title 1
- 230000010354 integration Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 238000005070 sampling Methods 0.000 abstract 1
Landscapes
- Auxiliary Devices For Music (AREA)
Abstract
The device provides a microphone 1, which picks up the acoustic pressure, followed by an amplifier 2 and by program-controlled preselectable weighting filters 3. The signal picked up is then processed by a logarithmic amplifier to linearize the values in dB. The signal then goes to a converter 5 (RMS detector) and, having been transformed into a dc voltage proportional to the acoustic pressure, it arrives at an integration circuit 6 which averages out the measurement over time. Finally, the signal arrives at a microprocessor 7, programmable by keypad 8 and visualising on a display 9 the various functions, then intervening, based on a clock 10, to activate the digital outputs 11, the analog output 12, and the data on a printer 13. Said outputs in digital and analog mode can control the VCA which is amplified and controlled 14 to regulate the acoustic pressure in relation to the specified program. In order to program the device, using a keyboard 8 with key head, the program is activated and the sampling times are set: the waiting time before the intervention, the intervention time to reset the pressure, and the maximum allowable pressure is determined. One then programs the intervention time as a function of the time intervals and selects the weighting filter 3, the constant 6, the printer if any, and the clock 10. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBO920215A IT1258548B (en) | 1992-05-27 | 1992-05-27 | Electronic device for autoregulation of the acoustic pressure of music, especially for ballrooms |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBO920215A IT1258548B (en) | 1992-05-27 | 1992-05-27 | Electronic device for autoregulation of the acoustic pressure of music, especially for ballrooms |
Publications (3)
Publication Number | Publication Date |
---|---|
ITBO920215A0 ITBO920215A0 (en) | 1992-05-27 |
ITBO920215A1 ITBO920215A1 (en) | 1993-11-27 |
IT1258548B true IT1258548B (en) | 1996-02-27 |
Family
ID=11338325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITBO920215A IT1258548B (en) | 1992-05-27 | 1992-05-27 | Electronic device for autoregulation of the acoustic pressure of music, especially for ballrooms |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1258548B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004016184A1 (en) * | 2004-03-30 | 2005-11-03 | Beyer Dynamic Gmbh & Co | Method for preventing hearing damage and hearing protection device |
-
1992
- 1992-05-27 IT ITBO920215A patent/IT1258548B/en active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004016184A1 (en) * | 2004-03-30 | 2005-11-03 | Beyer Dynamic Gmbh & Co | Method for preventing hearing damage and hearing protection device |
DE102004016184B4 (en) * | 2004-03-30 | 2008-06-26 | Beyer Dynamic Gmbh & Co | Method for preventing hearing damage and hearing protection device |
Also Published As
Publication number | Publication date |
---|---|
ITBO920215A0 (en) | 1992-05-27 |
ITBO920215A1 (en) | 1993-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970530 |