WO1992021124A1 - Simulateur electronique d'applaudissement - Google Patents

Simulateur electronique d'applaudissement Download PDF

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Publication number
WO1992021124A1
WO1992021124A1 PCT/AU1992/000227 AU9200227W WO9221124A1 WO 1992021124 A1 WO1992021124 A1 WO 1992021124A1 AU 9200227 W AU9200227 W AU 9200227W WO 9221124 A1 WO9221124 A1 WO 9221124A1
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WO
WIPO (PCT)
Prior art keywords
sound
switch
data
user
memory
Prior art date
Application number
PCT/AU1992/000227
Other languages
English (en)
Inventor
Antony B. Amos
Original Assignee
Amos Antony B
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Amos Antony B filed Critical Amos Antony B
Publication of WO1992021124A1 publication Critical patent/WO1992021124A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time

Definitions

  • the present Invention relates to a hand-held electronically operated device which simulates sounds and preferably the sound of clapping hands.
  • hand clapping can often prove to be very tiring and possibly painful, particularly if the participant has a physical or skin ailment. Also, clapping is virtually impossible if thick woollen (or similar) gloves are being worn, or at least difficult if only one hand is available for clapping.
  • a sound emitting device comprising:
  • a housing adapted to be held by a user of said device and including switching means operable by said user;
  • addressing means connected to said switching means for selecting, from an associated memory means, data corresponding to at least one sound to be emitted from said device;
  • converting means for converting said data into an acoustic signal for emitting said sound from said device.
  • Fig. 1 is a schematic block diagram representation of a first embodiment
  • Fig. 2 is a front elevation view of an electronic applause
  • FIG. 3 is a side elevation view of Fig. 2;
  • Fig. 4 is a simplified schematic circuit diagram of the electronic circuit of the embodiment of Figs. 2 and 3.
  • an electronic sound emitting device 1 which includes a read only memory (ROM) 2.
  • the ROM 2 is pre-programmed with data representative of a desired sound such as that of clapping hands.
  • the ROM 2 can store the sound of a single clap which can be recorded using modern digital audio processing techniques.
  • the sound of the clap can be electronically reproduced thus simulating applause.
  • data from the ROM 2 is addressed using a counter/timer 3 whose operation is initiated by an enable input 4.
  • the counter/timer 3 outputs address data 5 to the ROM 2 which is sequentially incremented to output pre-recorded sound data from the ROM 2 via its date output 6.
  • the data output 6 is input to a digital to analogue converter (DAC) 7 which converts the digital signal into an analogue signal for input to an amplifier 8.
  • DAC digital to analogue converter
  • the amplifier 8 outputs to a loud speaker 9 for acoustic reproduction of the analogue signal.
  • the applause simulator 1 By repeatedly enabling the applause simulator 1, it can be made to output a sound corresponding to a sequence of claps and therefore may be used to substitute natural clapping for any appropriate event.
  • the simulator 10 comprises an outer housing 11 which is provided with a strap 12 enabling the housing 11 to be fixed to the wrist of a person.
  • the simulator 10 is fastened within the palm of the hand so as to permit ease and discretion of use.
  • the strap 12 can be provided with any standard means of fastening such as a buckle, or a VELCRO (registered trade mark) fastener.
  • the housing 11 encloses an electronic circuit 18 seen in Fig. 4 and includes a number of switches which permit operation of the
  • the simulator 10 The first of these is an on/off switch 13 which is arranged at one end of the housing 11 such that it may be actuated by the thumb of the user when the simulator 10 Is held within the palm of the hand. Also seen in Figs. 2 and 3 is a clap switch 15 which is positioned where it may be actuated by squeezing, and thus requiring much less effort than that of a standard (manual) clap.
  • a selector switch 14 is provided on the side of the casing 11 and permits a selection of either one of two clapping sounds as will be described later.
  • the casing 11 also includes a series of perforations 16 behind which a loudspeaker 40 (see Fig. 4) is positioned thereby permitting the sound reproduced by the loudspeaker 40 to be transmitted through the housing 11.
  • the base of the housing 11 also includes a battery
  • compartment 17 which can alternatively be repositioned at the rear of the housing 11.
  • the electronic circuit 18 is powered via a battery 19 which is preferably a standard 6 volt cell, and supplies power to other devices of the circuit 18 via the on/off switch 13 and a diode 20.
  • the switch 13 is shown as a momentary action push-button switch which prevents inadvertent battery consumption through leaving the simulator 10 turned on.
  • the diode 20 protects the electronic circuitry from incorrect connection of the battery 19.
  • the diode 20 passes electrical current to each of the remaining devices of the circuit 18 which include a D-type flip-flop 21, a ripple counter 25, a
  • the charging of the capacitor 26 also causes a reset to be applied to the D-flip-flop 21 causing its Q-output to go LOW.
  • the D-input of the flip-flop 21 is connected to the supply voltage (V+), and through depression of the clap switch 15, a clock input (CLK) of the flip-flop 21 is asserted thus changing the Q-output to HIGH and the Q-bar output to LOW.
  • CLK clock input
  • the change in the Q-output enables the ripple counter 25 for operation and the active low transition on the Q-bar output enables the monostable/astable 29 into operation.
  • the monostable/astable 29 is configured with a resistor 30 and capacitor 31 to provide an oscillating clock signal 28 to the ripple counter 25 for a predetermined period of time.
  • the frequency of the clock signal 28 is variable depending on application as is its period, as are discussed later.
  • the counter outputs Q1-Q11 are successively incremented from zero by one with each clock pulse.
  • the Q1-Q11 outputs are directly connected to corresponding address inputs A0-A10 of the EPROM 32 thus forming an address bus 33. Accordingly, signals on the address bus 33 provides for the selection of data stored within the EPROM 32 which is output via its data outputs D0-D7 configured as a data bus 34.
  • the incrementing counter outputs Q1-Q11 cause the selection of consecutive bytes of data from the EPROM 32.
  • the data outputs 34 each connect to a ladder network 35 of resistors which operate as a digital to analogue converter in a manner known in the art.
  • the ladder network 35 outputs a current signal proportional to the digital output from the EPROM 32 and can therefore be used to supply an input to the amplifier 39 for reproduction of this signal as an acoustic signal using the loudspeaker 40.
  • Two resistors 36 and 37 and a capacitor 38 provide for filtering of the converted digital signal, and gain setting of the amplifier 39.
  • a further resistor 41 is provided which is used, in concert with an additional, and optional, switch 42 (not seen in Figs. 2 and 3) to permit either high volume or low volume operation. If high volume operation is desired, the switch 42 is depressed thus by-passing the resistor 41 and affording high gain operation of the amplifier 39.
  • the selector switch 14 which connects between an address input A14 of the EPROM 32, a pull-up resistor 43 and an earth connection.
  • the switch 14 permits a different bank of memory within the EPROM 32 to be selected thus permitting a plurality of sounds to be selected for emission from the loud speaker 40.
  • one sound can be a bare hand clap, such as would be appropriate at a sporting event.
  • the other sound can be a gloved hand clap, as might be more appropriate at the opera.
  • the circuit 18 can be configured using known devices such as a 4013 flip-flop device for the flip-flop 21, a 4040 12-stage ripple counter for the counter 25, a 4047 device for the astable/monostable 29.
  • the EPROM 32 can be any of a 27C64, 27C128, 27C256, or a 27C512 family of devices.
  • one-time programmable ROMs OPT's can be used which can reduce circuit size, complexity and cost.
  • the preferred embodiment having a 8-bit data output, provides a resolution of 256 bits.
  • the switch 14 can also be replaced, or combined, with an automated electronic selector (such as another flip-flop or a demultiplexer) thus permitting minor variations between successive claps, and/or a succession of claps.
  • an automated electronic selector such as another flip-flop or a demultiplexer
  • data stored in the EPROM 32 is sampled at a rate of 20kHz thus permitting a nominal sound bandwidth of 10kHz.
  • a clap has a time span of approximately 0.4 seconds and, at a 20kHz sampling rate this corresponds to 8,000 separate samples per clap.
  • 8-bit data this requires at least a 64 Kbit EPROM.
  • at least two clap sounds are stored within the EPROM 32, it must be at least a 128Kbit device.
  • the high bandwidth of 10kHz is required where claps are stored because a clap comprises predominantly high frequency sounds.
  • the sampling rate can be reduced without significant loss of sound quality.
  • the reduction of the sampling rate can therefore increase the memory space available within the EPROM 32 thus permitting the recording of a larger number of sounds, or sounds of longer duration.
  • the frequency of the clock signal 28 should match the sampling rate at which sounds are recorded for correct sound reproduction.
  • loudspeaker 40 can be incorporated into an application specific integrated circuit (ASIC) and production ASIC's devices can be used to ensure minimal cost, and a minimal size of the simulator 10. Accordingly, the simulator 10 can be marketed as a novelty device.
  • ASIC application specific integrated circuit
  • production ASIC's devices can be used to ensure minimal cost, and a minimal size of the simulator 10. Accordingly, the simulator 10 can be marketed as a novelty device.
  • multiple ROM ' s can be used to extend the sound library .
  • mixtures of different sounds can be provided on the one or more ROM's.

Abstract

Appareil (1) émettant des sons utilisé pour reproduire un nombre limité de sons stockés dans une mémoire morte (2). L'appareil (1) est généralement fabriqué de manière à être portable et on peut le faire fonctionner (4) en actionnant un commutateur. La reproduction acoustique s'effectue par l'intermédiaire d'un haut-parleur (9). En général, le son est celui d'un applaudissement.
PCT/AU1992/000227 1991-05-20 1992-05-20 Simulateur electronique d'applaudissement WO1992021124A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPK619691 1991-05-20
AUPK6196 1991-05-20

Publications (1)

Publication Number Publication Date
WO1992021124A1 true WO1992021124A1 (fr) 1992-11-26

Family

ID=3775409

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1992/000227 WO1992021124A1 (fr) 1991-05-20 1992-05-20 Simulateur electronique d'applaudissement

Country Status (1)

Country Link
WO (1) WO1992021124A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027747A1 (fr) * 1993-05-20 1994-12-08 Allergan, Inc. Synthetiseur de frequences ultrasonores pour phaco-emulsification chirurgicale

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072404A (en) * 1980-03-14 1981-09-30 Arkay Sound Ltd Electrical circuit for producing electrical audio signals representative of clapping
GB2087622A (en) * 1980-11-13 1982-05-26 Tokyo Shibaura Electric Co Musical electronic calculator
JPS58177021A (ja) * 1982-04-09 1983-10-17 Hitachi Ltd 投票機能付拍手音発生装置
JPS58177024A (ja) * 1982-04-09 1983-10-17 Hitachi Ltd 拍手信号制御装置
GB2129996A (en) * 1982-09-14 1984-05-23 Nippon Musical Instruments Mfg Musical tone-forming system
EP0231142A2 (fr) * 1986-01-26 1987-08-05 Avish Jacob Weiner Livres parlants
US4702140A (en) * 1983-12-27 1987-10-27 Goldfarb Adolph E Solar-powered musical ornaments and novelties
GB2189742A (en) * 1986-05-02 1987-11-04 Dainippon Kaiga Co Ltd Musical picture book
GB2208027A (en) * 1988-01-28 1989-02-15 Nasta Ind Inc Portable drum sound simulator
US4945805A (en) * 1988-11-30 1990-08-07 Hour Jin Rong Electronic music and sound mixing device
EP0390101A2 (fr) * 1989-03-30 1990-10-03 MALBO S.r.l. Boîte à musique
US4974486A (en) * 1988-09-19 1990-12-04 Wallace Stephen M Electric stringless toy guitar

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072404A (en) * 1980-03-14 1981-09-30 Arkay Sound Ltd Electrical circuit for producing electrical audio signals representative of clapping
GB2087622A (en) * 1980-11-13 1982-05-26 Tokyo Shibaura Electric Co Musical electronic calculator
JPS58177021A (ja) * 1982-04-09 1983-10-17 Hitachi Ltd 投票機能付拍手音発生装置
JPS58177024A (ja) * 1982-04-09 1983-10-17 Hitachi Ltd 拍手信号制御装置
GB2129996A (en) * 1982-09-14 1984-05-23 Nippon Musical Instruments Mfg Musical tone-forming system
US4702140A (en) * 1983-12-27 1987-10-27 Goldfarb Adolph E Solar-powered musical ornaments and novelties
EP0231142A2 (fr) * 1986-01-26 1987-08-05 Avish Jacob Weiner Livres parlants
GB2189742A (en) * 1986-05-02 1987-11-04 Dainippon Kaiga Co Ltd Musical picture book
GB2208027A (en) * 1988-01-28 1989-02-15 Nasta Ind Inc Portable drum sound simulator
US4974486A (en) * 1988-09-19 1990-12-04 Wallace Stephen M Electric stringless toy guitar
US4945805A (en) * 1988-11-30 1990-08-07 Hour Jin Rong Electronic music and sound mixing device
EP0390101A2 (fr) * 1989-03-30 1990-10-03 MALBO S.r.l. Boîte à musique

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, E-222, page 100; & JP,A,58 177 021 (HITACHI SEISAKUSHO K.K.), 17 October 1983. *
PATENT ABSTRACTS OF JAPAN, E-222, page 101; & JP,A,58 177 024 (HITACHI SEISAKUSHO K.K.), 17 October 1983. *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027747A1 (fr) * 1993-05-20 1994-12-08 Allergan, Inc. Synthetiseur de frequences ultrasonores pour phaco-emulsification chirurgicale
US5387180A (en) * 1993-05-20 1995-02-07 Allergan, Inc. Ultrasonic frequency synthesizer for phaco surgery

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