EP0864245B1 - Method for reproducing ball sounds during a sporting event, and ball therefor - Google Patents

Method for reproducing ball sounds during a sporting event, and ball therefor Download PDF

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Publication number
EP0864245B1
EP0864245B1 EP96941087A EP96941087A EP0864245B1 EP 0864245 B1 EP0864245 B1 EP 0864245B1 EP 96941087 A EP96941087 A EP 96941087A EP 96941087 A EP96941087 A EP 96941087A EP 0864245 B1 EP0864245 B1 EP 0864245B1
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EP
European Patent Office
Prior art keywords
ball
signal
frequency
transmitter
radio
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.)
Expired - Lifetime
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EP96941087A
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German (de)
French (fr)
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EP0864245A1 (en
Inventor
Rémy GOETGHELUCK
Pascal Goetgheluck
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Soundball
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Soundball
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Priority claimed from FR9514142A external-priority patent/FR2741768B1/en
Priority claimed from FR9609758A external-priority patent/FR2752117B1/en
Application filed by Soundball filed Critical Soundball
Publication of EP0864245A1 publication Critical patent/EP0864245A1/en
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Publication of EP0864245B1 publication Critical patent/EP0864245B1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/17—Counting, e.g. counting periodical movements, revolutions or cycles, or including further data processing to determine distances or speed
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/50—Wireless data transmission, e.g. by radio transmitters or telemetry
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B43/00—Balls with special arrangements

Definitions

  • the present invention relates to a method for the acquisition of information on the situation dynamics of a balloon and / or restitution of the atmosphere sound during a sporting event relating to a ball sport, especially during a match football or basketball for the sound system of a stadium or a sports hall, or for the retransmission television or radio.
  • Radio or television reports football, rugby, handball or basketball require the permanent intervention of a commentator to transmit to the viewer or to the listener the soundscapes created by the noises of the ball (strikes, rebounds, 7), unlike tennis matches or the impact of the ball on the snowshoeing or on the ground greatly contributes to relive the exchange process from a distance.
  • the object of the present invention is to propose a technical solution to this drawback by allowing the sound of balloon noises to be taken, and forward them to a fixed facility where they can be mixed with comments or a general atmosphere picked up by fixed microphones.
  • the invention relates more particularly a process for the restitution of the soundscape during a sporting event relating to a ball sport, characterized in that a device comprising a radio frequency transmitter and a noise sensor or of impacts, said device being positioned at inside the balloon and in what we have at near the playground a radio frequency receiver to receive radio frequency signals modulated by said noise or impact sensor, transmitted by the device included in the ball.
  • This device makes it possible to capture directly noises such as impacts on the ball, and transmit to a fixed receiver. It allows to use a microphone with low sensitivity and low bandwidth. Furthermore, the device is preferably positioned at the center of gravity of the balloon, which prevents disturbance of the both static and dynamic behavior of the ball.
  • the microphone is a low sensitivity microphone from so as not to pick up ambient noises (cries of spectators, wind, etc.), but only noises specific to the ball (hits the ball, rebounds, %)
  • the device is activated by an acceleration-sensitive sensor, the transmitter supply circuit comprising a timer for a predetermined period after a activation.
  • the mood sound is a priori without interest, and it is possible interrupt the power supply to the transmitter to increase the autonomy of the device.
  • the device includes a switch accessible through the valve balloon inflation.
  • the device includes a switch that can be activated by a signal radio frequency.
  • the radio receiver consumes significantly less electrical energy than the transmitter, allowing increase the autonomy of the device.
  • the circuit power supply to the radio frequency transmitter signal level sensitive activation circuit delivered by the microphone, powering said transmitter only when said signal exceeds a threshold value, the transmitter supply circuit comprising a timer for a predetermined period after a activation.
  • the invention also relates to a balloon.
  • a balloon comprising in its inflation volume a device consisting of a noise or impact sensor, a low-frequency circuit delivering a modulation signal from the sensor to a transmitter radio frequency and a power source.
  • a bladder with elastic tubular sleeve extending substantially diagonally to the interior of which is arranged said device.
  • the sleeve has perforated walls in that it communicates with the bladder inflation valve.
  • the device has a switch accessible through said sleeve by a rod passing through the valve inflation.
  • the bladder has elastic suspensions extending substantially radially between the inner wall and the device.
  • Figure 1 shows a schematic view of the device integrated in the balloon. It has a piezoelectric microphone (1) delivering a signal preamplified by a low-frequency circuit (2).
  • the signal delivered by this low-frequency circuit (2) ensures frequency modulation of a high-frequency circuit (3) operating VIF band from 140 to 180 Mhz, with a transmitting power of around 5mW which gives it a range of about 200 meters.
  • Powering circuits B.F. (2) and H.F. (3) is provided by a lithium battery (4).
  • a switch (5) turns off the device when the ball is stored. This switch is by example accessible with a rod passing through the valve balloon inflation. It can also be made up of a radio controlled electronic switch. The consumption of a receiver being much lower than the consumption of the transmitter, such a switch radio controlled allows to extend so significant battery life (5).
  • the device includes a circuit detection (6) activating the power supply to the H.F. (3) when the signal delivered by the B.F. exceeds a threshold value, even temporarily.
  • a timer (7) maintains circuit supply H.F. (3) for a predetermined period, for example 30 seconds, after an impulse from the circuit (6) so as to avoid hacked signal transmission.
  • Figure 2 shows a sectional view of a balloon comprising such a device. It is made up of known manner of an envelope (8) produced for example by sewing a plurality of polygonal pieces cut from a multilayer material. Inside of this envelope (8) is a latex bladder (9) for example, communicating with the outside through through a valve (10).
  • a latex bladder 9 for example, communicating with the outside through through a valve (10).
  • a sleeve (11) consisting of a latex conduit, the wall is perforated to let air in when inflation of the balloon.
  • This sleeve is welded at its front ends (12, 13) on the wall interior of the bladder (9) and extends substantially according to a diameter of the balloon.
  • the radio transmitter device (13) is maintained by elastic deformation of the sleeve (11). He is placed substantially in the center of the balloon, in the middle of the sleeve (11) so that its weight does not disturb the static or dynamic behavior of the ball. he can be replaced with the bladder inflation port.
  • the radio transmitter device (13) can be introduced into the sleeve (11) using a piston having an interior section complementary to one of the front ends of the device.
  • This piston has a length greater than the radius of the balloon.
  • the device is placed on the end of the piston which is used to push it back in the middle of the sleeve (11).
  • the piston has an outer ring limiting movement to inside the balloon.
  • suspension of the device in the balloon may be produced by means equivalent to the perforated sleeve, for example by a full sleeve or a guy line elastic.
  • the device In the case of a guy line, the device is suspended by a set of links converging to the center of the balloon, one end of the links being attached to the inner wall of the bladder or balloon, and the other end of the links being fixed on the device.
  • the invention also relates to a station of reception for the implementation of the method according to the invention.
  • This station includes means for reproduce a satisfactory sound from the modulated signal received.
  • the sound picked up by the microphone is not always exploitable, due to resonance phenomena, distortion due to implantation in the heart of the balloon, high intensity clipping, etc.
  • a solution is to process the signal by filtering temporal.
  • Figure 3 shows the block diagram of a equipment according to the invention.
  • the part implanted in the balloon has a micro-transmitter (20) and a modulation circuit low frequency (21) connected to a microphone (22).
  • a battery (23) provides electrical power.
  • the fixed part comprises a receiver (24), an electronic processing circuit (25) and a table mixer (26) delivering a low-frequency signal.
  • Figure 4 shows the block diagram of the stationary processing electronics. She consists of an analog / digital converter (27) receiving the demodulated audio signal from the receiver high frequency. The digitized signal is processed by a microcomputer (28) performing a thresholding and issuing an activation or deactivation signal to an audio switch (29).
  • the microcomputer (28) activates the switch audio (29) for a short duration T compared to the reverberation time, of the order of 10 milliseconds.
  • this duration can be adjusted by steps 1 millisecond to optimize the output signal.
  • the microcomputer (28) lock the audio switch (29) again for a duration of the order of magnitude of the duration of the reverberation, in the order of 200 to 500 milliseconds. This time is also adjustable.
  • Figure 5 shows the timing of the signal received.
  • Curve (30) indicates the evolution of the audio signal over time, and the lower curve (31) the state of the audio switch (29).
  • the advantage of this treatment is to remove the vibratory modes specific to the balloon while retaining the wealth of information provided by the on-board micro-transmitter. In addition, the intensity of sounds and signal dynamics is correctly returned.
  • the signal is then processed by a filter band pass centered on a frequency of the order of 1000 hz, so as to rebalance the tone of the sound emitted by the ball.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Toys (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Pinball Game Machines (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Transmitters (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

A method for reproducing the sound environment during a sporting event involving a ball. A device (13) built into the ball comprises a radiofrequency transmitter and a microphone, and is positioned inside the ball by a flexible suspension means. A radiofrequency receiver is provided adjacent to the playing area for receiving signals from the device (13) inside the ball and reproducing an audio signal corresponding to the sound environment picked up by the microphone.

Description

La présente invention concerne un procédé pour l'acquisition d'informations sur la situation dynamique d'un ballon et/ou la restitution de l'ambiance sonore lors d'une manifestation sportive relative à un sport de ballon, en particulier pendant un match de football ou de basket pour la sonorisation d'un stade ou d'une salle de sport, ou encore pour la retransmission télévisée ou radiophonique.The present invention relates to a method for the acquisition of information on the situation dynamics of a balloon and / or restitution of the atmosphere sound during a sporting event relating to a ball sport, especially during a match football or basketball for the sound system of a stadium or a sports hall, or for the retransmission television or radio.

On connaít dans l'état de la technique le brevet FR2667510 concernant un ballon muni d'un moyen électronique destiné à la pratique d'un nouveau jeu sportif. Le dispositif électronique est destiné à la métrologie. Il comporte un émetteur permettant à un récepteur fixe de déterminer la distance entre le ballon et un joueur. On connaít aussi le brevet FR2616335 qui concerne une balle de golf munie d'un dispositif de repérage formé par un émetteur. Ces documents concernent seulement la localisation d'une balle, et pas l'amélioration des retransmissions radiophoniques ou télévisuelles de sports de ballon.We know in the state of the art the patent FR2667510 concerning a balloon provided with a means electronics for playing a new game athletic. The electronic device is intended for the metrology. It includes a transmitter allowing a fixed receiver to determine the distance between the ball and a player. We also know the patent FR2616335 which relates to a golf ball fitted with a tracking formed by a transmitter. These documents concern only the location of a bullet, not improvement of radio broadcasts or ball sports television.

Les reportages radiophoniques ou télévisés des matchs de football, de rugby de handball ou de basket-ball nécessitent l'intervention permanente d'un commentateur pour transmettre au téléspectateur ou à l'auditeur les ambiances sonores constitués par les bruits du ballon (frappes, rebonds,...), contrairement à des matchs de tennis ou l'impact de la balle sur la raquette ou sur le terrain contribue fortement à faire revivre à distance le déroulement des échanges.Radio or television reports football, rugby, handball or basketball require the permanent intervention of a commentator to transmit to the viewer or to the listener the soundscapes created by the noises of the ball (strikes, rebounds, ...), unlike tennis matches or the impact of the ball on the snowshoeing or on the ground greatly contributes to relive the exchange process from a distance.

Il est très difficile de capter les bruits des impacts sur la balle des sports précités en raison des dimensions des terrains sur lesquels se pratiquent ces sports, et en raison de la très grande mobilité des joueurs.It is very difficult to pick up noise impacts on the ball of the aforementioned sports due dimensions of the grounds on which they are practiced these sports, and due to the very high mobility of players.

Le but de la présente invention est de proposer une solution technique à cet inconvénient en permettant la prise de son des bruits du ballon, et de les transmettre à une installation fixe où ils peuvent être mixés à des commentaires ou à une ambiance générale captée par des micros fixes.The object of the present invention is to propose a technical solution to this drawback by allowing the sound of balloon noises to be taken, and forward them to a fixed facility where they can be mixed with comments or a general atmosphere picked up by fixed microphones.

A cet effet, l'invention concerne plus particulièrement un procédé pour la restitution de l'ambiance sonore lors d'une manifestation sportive relative à un sport de ballon, caractérisé en ce que l'on intègre dans le ballon un dispositif comportant un émetteur radio-fréquence et un capteur de bruits ou d'impacts, ledit dispositif étant positionné à l'intérieur du ballon et en ce que l'on dispose à proximité du terrain de jeu un récepteur radiofréquences pour recevoir les signaux radio-fréquences modulés par ledit capteur de bruits ou d'impacts, transmis par le dispositif inclu dans le ballon.To this end, the invention relates more particularly a process for the restitution of the soundscape during a sporting event relating to a ball sport, characterized in that a device comprising a radio frequency transmitter and a noise sensor or of impacts, said device being positioned at inside the balloon and in what we have at near the playground a radio frequency receiver to receive radio frequency signals modulated by said noise or impact sensor, transmitted by the device included in the ball.

Ce dispositif permet de capter directement les bruits tels que les impacts sur le ballon, et de les transmettre à un récepteur fixe. Il permet d'utiliser un microphone de faible sensibilité et de faible bande-passante. Par ailleurs, le dispositif est préférentiellement positionné au niveau du centre de gravité du ballon, ce qui évite la perturbation du comportement tant statique que dynamique du ballon.This device makes it possible to capture directly noises such as impacts on the ball, and transmit to a fixed receiver. It allows to use a microphone with low sensitivity and low bandwidth. Furthermore, the device is preferably positioned at the center of gravity of the balloon, which prevents disturbance of the both static and dynamic behavior of the ball.

Suivant un mode de réalisation préféré, le microphone est un microphone de faible sensibilité de façon à ne pas capter les bruits d'ambiances (cris des spectateurs, vent, etc.), mais seulement les bruits propres au ballon (frappe sur le ballon, rebonds,...)According to a preferred embodiment, the microphone is a low sensitivity microphone from so as not to pick up ambient noises (cries of spectators, wind, etc.), but only noises specific to the ball (hits the ball, rebounds, ...)

Selon une première variante, le dispositif est activé par un capteur sensible aux accélérations, le circuit d'alimentation de l'émetteur comportant un temporisateur pendant une durée prédéterminée après une activation.According to a first variant, the device is activated by an acceleration-sensitive sensor, the transmitter supply circuit comprising a timer for a predetermined period after a activation.

Lorsque le ballon est au repos pendant un temps supérieur à ladite durée prédéterminée, l'ambiance sonore est a priori sans intérêt, et il est possible d'interrompre l'alimentation de l'émetteur pour augmenter l'autonomie du dispositif.When the ball is at rest for a time greater than said predetermined duration, the mood sound is a priori without interest, and it is possible interrupt the power supply to the transmitter to increase the autonomy of the device.

Selon une autre variante, complétant éventuellement la précédente variante, le dispositif comporte un interrupteur accessible à travers la valve de gonflage du ballon.According to another variant, completing possibly the previous variant, the device includes a switch accessible through the valve balloon inflation.

Selon une troisième variante, le dispositif comporte un interrupteur activable par un signal radiofréquence.According to a third variant, the device includes a switch that can be activated by a signal radio frequency.

Le radiorécepteur consomme sensiblement moins d'énergie électrique que l'émetteur, ce qui permet d'augmenter l'autonomie du dispositif.The radio receiver consumes significantly less electrical energy than the transmitter, allowing increase the autonomy of the device.

Selon une autre variante encore, le circuit d'alimentation de l'émetteur radiofréquence comporte un circuit d'activation sensible au niveau du signal délivré par le microphone, alimentant ledit émetteur seulement lorsque ledit signal dépasse une valeur-seuil, le circuit d'alimentation de l'émetteur comportant un temporisateur pendant une durée prédéterminée après une activation.According to yet another variant, the circuit power supply to the radio frequency transmitter signal level sensitive activation circuit delivered by the microphone, powering said transmitter only when said signal exceeds a threshold value, the transmitter supply circuit comprising a timer for a predetermined period after a activation.

L'invention concerne également un ballon comportant dans son volume de gonflage un dispositif constitué par un capteur de bruits ou d'impacts, un circuit basse-fréquence délivrant du capteur un signal de modulation à un émetteur radiofréquence et une source d'alimentation.The invention also relates to a balloon. comprising in its inflation volume a device consisting of a noise or impact sensor, a low-frequency circuit delivering a modulation signal from the sensor to a transmitter radio frequency and a power source.

Selon une première variante, il comporte une vessie présentant un manchon tubulaire élastique s'étendant sensiblement selon une diagonale à l'intérieur duquel est disposé ledit dispositif. According to a first variant, it comprises a bladder with elastic tubular sleeve extending substantially diagonally to the interior of which is arranged said device.

Selon un mode de réalisation particulier, le manchon présente des parois perforées en ce qu'il communique avec la valve de gonflage de la vessie.According to a particular embodiment, the sleeve has perforated walls in that it communicates with the bladder inflation valve.

Selon un exemple de mise en oeuvre, le dispositif comporte un interrupteur accessible à travers ledit manchon par une tige passant à travers la valve de gonflage.According to an example of implementation, the device has a switch accessible through said sleeve by a rod passing through the valve inflation.

Selon une autre variante de réalisation, la vessie présente des suspensions élastiques s'étendant sensiblement radialement entre la paroi intérieure et le dispositif.According to another alternative embodiment, the bladder has elastic suspensions extending substantially radially between the inner wall and the device.

L'invention sera mieux comprise à la lecture de la description d'un exemple de mise en oeuvre non limitatif, se référant aux dessins annexés où :

  • la figure 1 représente une vue schématique du dispositif intégré dans le ballon ;
  • la figure 2 représente une vue en coupe d'un ballon selon l'invention ;
  • la figure 3 représente le synoptique d'un équipement selon l'invention ;
  • la figure 4 représente le synoptique de l'électronique de traitement de la station fixe ;
  • la figure 5 représente le chronogramme du signal reçu.
The invention will be better understood on reading the description of an example of non-limiting implementation, referring to the accompanying drawings in which:
  • Figure 1 shows a schematic view of the device integrated in the balloon;
  • Figure 2 shows a sectional view of a balloon according to the invention;
  • FIG. 3 represents the block diagram of an equipment according to the invention;
  • FIG. 4 represents the block diagram of the electronic processing of the fixed station;
  • FIG. 5 represents the timing diagram of the received signal.

La figure 1 représente une vue schématique du dispositif intégré dans le ballon. Il comporte un microphone (1) piézo-électrique délivrant un signal préamplifié par un circuit basse-fréquence (2). Le signal délivré par ce circuit basse-fréquence (2) assure la modulation en fréquence d'un circuit haute-fréquence (3) fonctionnant bande VIF de 140 à 180 Mhz, avec une puissance d'émission d'environ 5mW qui lui confère une portée d'environ 200 mètres. L'alimentation des circuits B.F. (2) et H.F. (3) est assurée par une pile au lithium (4). Un interrupteur (5) permet d'éteindre le dispositif lorsque le ballon est stocké. Cet interrupteur est par exemple accessible avec une tige traversant la valve de gonflage du ballon. Il peut également être constitué par un interrupteur électronique radiocommandé. La consommation d'un récepteur étant très inférieure à la consommation de l'émetteur, un tel interrupteur radiocommandé permet de prolonger de manière significative la durée de vie de la pile (5).Figure 1 shows a schematic view of the device integrated in the balloon. It has a piezoelectric microphone (1) delivering a signal preamplified by a low-frequency circuit (2). The signal delivered by this low-frequency circuit (2) ensures frequency modulation of a high-frequency circuit (3) operating VIF band from 140 to 180 Mhz, with a transmitting power of around 5mW which gives it a range of about 200 meters. Powering circuits B.F. (2) and H.F. (3) is provided by a lithium battery (4). A switch (5) turns off the device when the ball is stored. This switch is by example accessible with a rod passing through the valve balloon inflation. It can also be made up of a radio controlled electronic switch. The consumption of a receiver being much lower than the consumption of the transmitter, such a switch radio controlled allows to extend so significant battery life (5).

Le dispositif comporte en oeuvre un circuit de détection (6) activant l'alimentation du circuit H.F. (3) lorsque le signal délivré par le circuit B.F. dépasse une valeur-seuil, même de façon transitoire. Un temporisateur (7) maintient l'alimentation du circuit H.F. (3) pendant une durée prédéterminée, par exemple 30 secondes, après une impulsion provenant du circuit (6) de façon à éviter une transmission hachée du signal.The device includes a circuit detection (6) activating the power supply to the H.F. (3) when the signal delivered by the B.F. exceeds a threshold value, even temporarily. A timer (7) maintains circuit supply H.F. (3) for a predetermined period, for example 30 seconds, after an impulse from the circuit (6) so as to avoid hacked signal transmission.

La figure 2 représente une vue en coupe d'un ballon comportant un tel dispositif. Il est constitué de manière connue d'une enveloppe (8) réalisée par exemple par couture d'une pluralité de pièces polygonales découpées dans un matériau multicouches. A l'intérieur de cette enveloppe (8) se trouve une vessie (9) en latex par exemple, communiquant avec l'extérieur par l'intermédiaire d'une valve (10).Figure 2 shows a sectional view of a balloon comprising such a device. It is made up of known manner of an envelope (8) produced for example by sewing a plurality of polygonal pieces cut from a multilayer material. Inside of this envelope (8) is a latex bladder (9) for example, communicating with the outside through through a valve (10).

A l'intérieur de la vessie (9), est prévu un manchon (11) constitué par un conduit en latex dont la paroi est perforée pour laisser passer l'air au moment du gonflage du ballon. Ce manchon est soudé au niveau de ses extrémités frontales (12, 13) sur la paroi intérieure de la vessie (9) et s'étend sensiblement selon un diamètre du ballon. Au milieu de ce manchon (11) est placé le dispositif radio-émetteur (13). Le dispositif radio-émetteur (13) est maintenu par déformation élastique du manchon (11). Il est placé sensiblement au centre du ballon, au milieu du manchon (11) de façon à ce que son poids ne perturbe pas le comportement statique ou dynamique du ballon. Il peut être remplacé par l'orifice de gonflage de la vessie.Inside the bladder (9) is provided a sleeve (11) consisting of a latex conduit, the wall is perforated to let air in when inflation of the balloon. This sleeve is welded at its front ends (12, 13) on the wall interior of the bladder (9) and extends substantially according to a diameter of the balloon. In the middle of this sleeve (11) is placed the radio transmitter device (13). The radio transmitter device (13) is maintained by elastic deformation of the sleeve (11). He is placed substantially in the center of the balloon, in the middle of the sleeve (11) so that its weight does not disturb the static or dynamic behavior of the ball. he can be replaced with the bladder inflation port.

Le dispositif radio-émetteur (13) peut être introduit dans le manchon (11) à l'aide d'un piston présentant une section intérieure complémentaire à l'une des extrémités frontales du dispositif. Ce piston présente une longueur supérieure au rayon du ballon. Le dispositif est mis en place sur l'extrémité du piston qui sert à le repousser au milieu du manchon (11). Pour faciliter le positionnement du dispositif, le piston présente une bague extérieure limitant le déplacement à l'intérieur du ballon. Lorsque le dispositif (13) a atteint le milieu du manchon (11), on retire le piston, le dispositif restant bloqué par le manchon (11).The radio transmitter device (13) can be introduced into the sleeve (11) using a piston having an interior section complementary to one of the front ends of the device. This piston has a length greater than the radius of the balloon. The device is placed on the end of the piston which is used to push it back in the middle of the sleeve (11). For facilitate the positioning of the device, the piston has an outer ring limiting movement to inside the balloon. When the device (13) has reaches the middle of the sleeve (11), the piston is removed, the device remaining blocked by the sleeve (11).

L'invention est décrite dans ce qui précède à titre d'exemple non limitatif. L'homme de métier pourra réaliser différentes variantes sans pour autant sortir du cadre de l'invention. En particulier, la suspension du dispositif dans le ballon pourra être réalisée par des moyens équivalents au manchon perforé, par exemple par un manchon plein ou un haubanage élastique.The invention is described in the foregoing by way of nonlimiting example. The skilled man can realize different variants without depart from the scope of the invention. In particular, the suspension of the device in the balloon may be produced by means equivalent to the perforated sleeve, for example by a full sleeve or a guy line elastic.

Dans le cas d'un manchon plein, la pression s'exerçant sur les parois du manchon contribue au blocage du dispositif dans sa position centrée.In the case of a full sleeve, the pressure exerted on the walls of the sleeve contributes to the blocking of the device in its centered position.

Dans le cas d'un haubanage, le dispositif est suspendu par un ensemble de liens convergeant vers le centre du ballon, l'un des extrémités des liens étant fixée sur la paroi intérieure de la vessie ou du ballon, et l'autre extrémité des liens étant fixée sur le dispositif.In the case of a guy line, the device is suspended by a set of links converging to the center of the balloon, one end of the links being attached to the inner wall of the bladder or balloon, and the other end of the links being fixed on the device.

L'invention concerne également une station de réception pour la mise en oeuvre du procédé selon l'invention.The invention also relates to a station of reception for the implementation of the method according to the invention.

Cette station comporte des moyens pour restituer un son satisfaisant à partir du signal modulé reçu. Le son capté par le microphone n'est pas toujours exploitable, en raison de phénomènes de résonance, de distorsion due à l'implantation au coeur du ballon, d'écrêtage des fortes intensités, etc.This station includes means for reproduce a satisfactory sound from the modulated signal received. The sound picked up by the microphone is not always exploitable, due to resonance phenomena, distortion due to implantation in the heart of the balloon, high intensity clipping, etc.

Pour pallier à ces inconvénients, une solution consiste à traiter le signal par un filtrage temporel.To overcome these drawbacks, a solution is to process the signal by filtering temporal.

La figure 3 représente le synoptique d'un équipement selon l'invention.Figure 3 shows the block diagram of a equipment according to the invention.

La partie implantée dans le ballon comporte un micro-émetteur (20) et un circuit de modulation basse-fréquence (21) reliée à un microphone (22). Une batterie (23) assure l'alimentations électrique.The part implanted in the balloon has a micro-transmitter (20) and a modulation circuit low frequency (21) connected to a microphone (22). A battery (23) provides electrical power.

La partie fixe comporte un récepteur (24), un circuit électronique de traitement (25) et une table de mixage (26) délivrant un signal basse-fréquence.The fixed part comprises a receiver (24), an electronic processing circuit (25) and a table mixer (26) delivering a low-frequency signal.

La figure 4 représente le synoptique de l'électronique de traitement de la station fixe. Elle est composée d'un convertisseur analogique/digital (27) recevant le signal audio démodulé provenant du récepteur haute-fréquence. Le signal numérisé est exploité par un microcalculateur (28) réalisant un seuillage et délivrant un signal d'activation ou de désactivation à un commutateur audio (29).Figure 4 shows the block diagram of the stationary processing electronics. She consists of an analog / digital converter (27) receiving the demodulated audio signal from the receiver high frequency. The digitized signal is processed by a microcomputer (28) performing a thresholding and issuing an activation or deactivation signal to an audio switch (29).

Le signal audio démodulé issu du récepteur HF numérisé par le convertisseur analogique/digital (27) fournis au microcalculateur (28) une valeur numérique correspondant à l'amplitude du signal audio. Cette valeur est comparée à une valeur de consigne correspondant à un seuil de déclenchement. Si la valeur du signal provenant du convertisseur analogique/digital (27) est inférieure à la valeur de consigne, le microcalculateur bloque le commutateur audio (29). Le microcalculateur (28) lance alors un nouveau cycle de conversion A/D et compare à nouveau le signal fourni par le convertisseur analogique/digital (27) à la valeur de consigne. Le cycle recommence tant que la valeur du signal audio converti est inférieure à la valeur de consigne. Lorsque le signal fourni par le convertisseur analogique/digital (27) est supérieur à la valeur de consigne, le microcalculateur (28) active le commutateur audio (29) pendant une T durée courte par rapport à la durée de réverbération, de l'ordre de 10 millisecondes. Avantageusement, cette durée peut être ajustée par pas de 1 milliseconde pour optimiser le signal de sortie. A l'issue la période de durée T pendant laquelle le commutateur audio est activé, le microcalculateur (28) verrouille à nouveau le commutateur audio (29) pendant une durée de l'ordre de grandeur de la durée de la réverbération, soit de l'ordre de 200 à 500 millisecondes. Ce délai est également ajustable.The demodulated audio signal from the receiver HF digitized by the analog / digital converter (27) supplied to the microcomputer (28) a numerical value corresponding to the amplitude of the audio signal. This value is compared to a set value corresponding to a trigger threshold. If the value signal from analog / digital converter (27) is less than the set value, the microcomputer blocks the audio switch (29). The microcomputer (28) then launches a new cycle of A / D conversion and again compares the signal provided by the analog / digital converter (27) at the value of instructions. The cycle starts again as long as the value of converted audio signal is less than the value of instructions. When the signal supplied by the converter analog / digital (27) is greater than the value of setpoint, the microcomputer (28) activates the switch audio (29) for a short duration T compared to the reverberation time, of the order of 10 milliseconds. Advantageously, this duration can be adjusted by steps 1 millisecond to optimize the output signal. AT after the period of duration T during which the audio switch is activated, the microcomputer (28) lock the audio switch (29) again for a duration of the order of magnitude of the duration of the reverberation, in the order of 200 to 500 milliseconds. This time is also adjustable.

La figure 5 représente le chronogramme du signal reçu. La courbe (30) désigne l'évolution du signal audio dans le temps, et la courbe inférieure (31) l'état du commutateur audio (29).Figure 5 shows the timing of the signal received. Curve (30) indicates the evolution of the audio signal over time, and the lower curve (31) the state of the audio switch (29).

L'avantage de ce traitement est de supprimer les modes vibratoires propres au ballon tout en conservant la richesse des informations fournies par le microémetteur embarqué. Par ailleurs, l'intensité des sons et la dynamique du signal est correctement restituée.The advantage of this treatment is to remove the vibratory modes specific to the balloon while retaining the wealth of information provided by the on-board micro-transmitter. In addition, the intensity of sounds and signal dynamics is correctly returned.

Le signal est ensuite traité par un filtre passe bande centré sur une fréquence de l'ordre de 1000 hz, de façon à rééquilibrer la tonalité du son émis par le ballon.The signal is then processed by a filter band pass centered on a frequency of the order of 1000 hz, so as to rebalance the tone of the sound emitted by the ball.

Claims (19)

  1. Sound environment reproduction process for a ball sport-related sports event, characterised in that a device (13) comprising a radio-frequency transmitter and a noise or impact sensor is incorporated into the ball, with said device (13) positioned inside the ball and in that a radio-frequency receiver is placed in the vicinity of the pitch to receive the radio-frequency signals modulated by said noise or impact sensor, transmitted by the device (13) included in the ball.
  2. Process according to claim 1 characterised in that the device (13) is activated by an acceleration-sensitive sensor, with the transmitter power supply circuit comprising a timer for a predetermined time after activation.
  3. Process according to claim 1 or 2 characterised in that the device (13) comprises a switch accessible via the inflation valve.
  4. Process according to any of the above claims characterised in that the device (13) comprises a switch that can be activated by a radio-frequency signal.
  5. Process according to any of the above claims characterised in that the radio-frequency transmitter power supply circuit comprises an activation circuit sensitive to the level of the signal emitted by the sensor, powering said transmitter only when said signal exceeds a threshold value, with the transmitter power supply circuit comprising a timer for a predetermined time after activation.
  6. Process according to claim 1 characterised in that said signal transmitted by the device addresses a sound bank capable of reproducing an audio signal corresponding to the sound environment.
  7. Process according to claim 1 or 2 characterised in that the device (13) is activated by an acceleration-sensitive sensor, with the transmitter power supply circuit comprising a timer for a predetermined time after activation.
  8. Ball, for the application of the process according to any of claims 1 to 7, comprising, in its inflation volume, approximately centred with reference to the centre of gravity of the ball, an electronic device (13) characterised in that the electronic device (13) is composed of a noise or impact sensor, a low-frequency circuit emitting a modulation signal from the sensor to a radio-frequency transmitter and a power supply source.
  9. Ball according to claim 8 characterised in that it comprises a bladder (9) comprising an elastic tubular sleeve (11) extending approximately diagonally inside which said device (13) is placed.
  10. Ball according to claim 8 or 9 characterised in that the sleeve (11) comprises perforated walls such that it communicates with the bladder (9) inflation valve.
  11. Ball according to claim 10 characterised in that the bladder (9) comprises elastic suspensions extending approximately radially between the inner wall and the device (13).
  12. Ball according to any of claims 8 to 11 characterised in that the bladder (9) comprises elastic suspensions extending approximately radially between the inner wall and the device (13).
  13. Ball according to any of claims 8 to 12 characterised in that the microphone has a low sensitivity so as to only pick up sounds from the ball, excluding external sounds.
  14. Fixed sound environment reproduction station for the application of the process according to any of claims 1 to 7 for a ball sport-related sports event, characterised in that it comprises an additional receiver (24) for the transmitter of a device (13) positioned inside the ball, an electronic processing circuit (25) and a mixing table (26) emitting a low-frequency signal.
  15. Fixed station according to claim 14 characterised in that it also comprises a processing circuit comprising an analogue/digital converter (27) receiving the demodulated audio signal from the high-frequency receiver, the digitised signal is processed by a microcomputer (28) applying a threshold and emitting an activation or deactivation signal to an audio switch (29).
  16. Fixed station according to claim 14 or 15 characterised in that the analogue/digital converter (27) supplies the microcomputer (28) with a digital value corresponding to the amplitude of the audio signal, with this value compared to a reference value corresponding to a triggering threshold.
  17. Fixed station according to claim 16 characterised in that the microcomputer blocks the audio switch (29) as long as the value of the converted audio signal is less than the reference value and in that the microcomputer (28) activates the audio switch (29) for a short time T with reference to the reverberation time.
  18. Fixed station according to claim 17 or 20 characterised in that the microcomputer (28) locks the audio switch (29) again for a time of the same order of magnitude as the reverberation time, after the time T during which the audio switch is activated.
  19. Fixed station according to claim 18 characterised in that it comprises a passband filter centred on a frequency of the order of 1000 Hz to process the output audio signal.
EP96941087A 1995-11-29 1996-11-29 Method for reproducing ball sounds during a sporting event, and ball therefor Expired - Lifetime EP0864245B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR9514142A FR2741768B1 (en) 1995-11-29 1995-11-29 PROCESS FOR THE RESTORATION OF BALLOON NOISES DURING A SPORTS EVENT AND BALLOON FOR THE IMPLEMENTATION OF SUCH A DEVICE
FR9514142 1995-11-29
FR9609758 1996-08-01
FR9609758A FR2752117B1 (en) 1996-08-01 1996-08-01 PROCESS FOR THE RESTORATION OF BALLOON NOISES DURING A SPORTS EVENT AND BALLOON FOR THE IMPLEMENTATION OF SUCH A DEVICE
PCT/FR1996/001903 WO1997020449A1 (en) 1995-11-29 1996-11-29 Method for reproducing ball sounds during a sporting event, and ball therefor

Publications (2)

Publication Number Publication Date
EP0864245A1 EP0864245A1 (en) 1998-09-16
EP0864245B1 true EP0864245B1 (en) 2000-08-02

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EP96941087A Expired - Lifetime EP0864245B1 (en) 1995-11-29 1996-11-29 Method for reproducing ball sounds during a sporting event, and ball therefor

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EP (1) EP0864245B1 (en)
JP (1) JP2000500943A (en)
KR (1) KR19990071693A (en)
CN (1) CN1211379A (en)
AT (1) ATE195210T1 (en)
AU (1) AU1034897A (en)
BR (1) BR9611798A (en)
DE (1) DE69609626D1 (en)
EA (1) EA000895B1 (en)
WO (1) WO1997020449A1 (en)

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AU2001237430A1 (en) * 2000-03-06 2001-09-17 Cairos Technologies Ag Device for detecting the position and/or movement of objects and/or living things
US7415122B2 (en) 2000-05-25 2008-08-19 Qnx Software Systems (Wavemakers), Inc. Microphone shield system
DE102004045176B4 (en) * 2004-09-17 2011-07-21 Adidas International Marketing B.V. bladder
CN100342933C (en) * 2005-07-28 2007-10-17 罗俊明 Transaudient induction ball
GB0623725D0 (en) * 2006-11-28 2007-01-10 Houghton Mark P Urban surveillance device
ATE530231T1 (en) 2007-01-10 2011-11-15 Invit B V METHOD AND SYSTEM FOR DETECTING AN EXTRAORDINARY SITUATION
DE102008057705A1 (en) 2008-11-17 2010-05-20 Cairos Technologies Ag Capture and provide player information with player-side sensor
CN102291540A (en) * 2010-06-21 2011-12-21 谢育稳 Sporting event target sound transmission method and sports equipment thereof
GB2487209A (en) * 2011-01-12 2012-07-18 Javid Nourie A ball monitoring and tracking system
DE102013202485B4 (en) 2013-02-15 2022-12-29 Adidas Ag Ball for a ball sport
US9849361B2 (en) 2014-05-14 2017-12-26 Adidas Ag Sports ball athletic activity monitoring methods and systems
US10523053B2 (en) 2014-05-23 2019-12-31 Adidas Ag Sport ball inductive charging methods and systems
EP3287175A1 (en) 2017-11-14 2018-02-28 Basu Swati An inflatable ball bladder with two dual function valves and a wired rechargeable electronic component

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GB2150792B (en) * 1983-10-14 1987-05-20 Tcn Channel Nine Pty Ltd Radio transmission system
FR2616335A1 (en) * 1987-06-11 1988-12-16 Sonigo Ariel Golf ball equipped with a location device
FR2667510B1 (en) * 1990-10-09 1992-12-24 Courty Claude DEVICE FOR THE PRACTICE OF A NEW INDIVIDUAL OR TEAM SPORTS GAME.
US5222144A (en) * 1991-10-28 1993-06-22 Ford Motor Company Digital quadrature radio receiver with two-step processing

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WO1997020449A1 (en) 1997-06-05
DE69609626D1 (en) 2000-09-07
KR19990071693A (en) 1999-09-27
EA000895B1 (en) 2000-06-26
CN1211379A (en) 1999-03-17
EA199800487A1 (en) 1998-12-24
ATE195210T1 (en) 2000-08-15
BR9611798A (en) 1999-12-28
EP0864245A1 (en) 1998-09-16
JP2000500943A (en) 2000-01-25
AU1034897A (en) 1997-06-19

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