An assembly of electronic devices intended to be connected to at least one computer network, of the type including: - a device for emitting digital data comprising a main communication module with the computer network and a secondary short range radioelectric communication module, the emitting device being able to generate digital data; - at least one receiving device (24A; 24B) for digital data comprising a main communication module (31A; 31B) with the computer network and a secondary short range radioelectric communication module (32A; 32B), the receiving device (24A; 24B) being able to use the digital data generated by the emitting device; characterized: - in that it further includes a portable transmitter device for digital data comprising: - a processor; - a memory able to store the digital data and at least one piece of control software of the transmitter device, executed by said processor; - an unique short range radioelectric communication module able to communicate with the secondary communication module of the emitting device for recovering the digital data generated by the emitting device in order to store them in said memory when the transmitter device is in proximity to the emitting device, and with the secondary communication module (32A; 32B) of the receiving device (24A; 24B) for transmitting to the receiving device (24A; 24B) at least some of the digital data stored in said memory when the transmitter device is in proximity to the receiving device (24A; 24B); - in that the emitting device is able to send digital data to the receiving device (24A; 24B) via the computer network; and - in that the receiving device (24A; 24B) comprises an acoustic chamber able to emit sound waves from the digital data stemming from the emitting device and delivered by the computer network. - a device for emitting digital data comprising a main communication module with the computer network and a secondary short range radioelectric communication module, the emitting device being able to generate digital data; - at least one receiving device (24A; 24B) for digital data comprising a main communication module (31A; 31B) with the computer network and a secondary short range radioelectric communication module (32A; 32B), the receiving device (24A; 24B) being able to use the digital data generated by the emitting device; - in that it further includes a portable transmitter device for digital data comprising: - a processor; - a memory able to store the digital data and at least one piece of control software of the transmitter device, executed by said processor; - an unique short range radioelectric communication module able to communicate with the secondary communication module of the emitting device for recovering the digital data generated by the emitting device in order to store them in said memory when the transmitter device is in proximity to the emitting device, and with the secondary communication module (32A; 32B) of the receiving device (24A; 24B) for transmitting to the receiving device (24A; 24B) at least some of the digital data stored in said memory when the transmitter device is in proximity to the receiving device (24A; 24B); - a processor; - a memory able to store the digital data and at least one piece of control software of the transmitter device, executed by said processor; - an unique short range radioelectric communication module able to communicate with the secondary communication module of the emitting device for recovering the digital data generated by the emitting device in order to store them in said memory when the transmitter device is in proximity to the emitting device, and with the secondary communication module (32A; 32B) of the receiving device (24A; 24B) for transmitting to the receiving device (24A; 24B) at least some of the digital data stored in said memory when the transmitter device is in proximity to the receiving device (24A; 24B); - in that the emitting device is able to send digital data to the receiving device (24A; 24B) via the computer network; and - in that the receiving device (24A; 24B) comprises an acoustic chamber able to emit sound waves from the digital data stemming from the emitting device and delivered by the computer network.