Patent ID: 11936715
Assignee: CME PTE. LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A multi-machine wireless synchronous system, comprising a plurality of multi-machine wireless synchronous recorders, a cloud server deployed on Internet and a mobile phone, wherein each of the plurality of a multi-machine wireless synchronous recorders comprises: a power source module, an audio input module, an A/D conversion module, an SoC core module, an audio thru module, a button module, an LED indication module and a digital storage module, wherein the power source module supplies power to the audio input module and controls an operation of the SoC core module, the SoC core module is connected to the A/D conversion module, the button module, the LED indication module, and the digital storage module, the A/D conversion module and the audio thru module are connected to the audio input module, the SoC core module comprises a Bluetooth communication module and a WiFi communication module, and the SoC core module performs bidirectional communication with the digital storage module and the Bluetooth communication module and the WiFi communication module, respectively;
wherein the Bluetooth communication module is connected to Bluetooth communication modules in other multi-machine wireless synchronous recorders and a Bluetooth communication module of a mobile phone to form a Bluetooth mesh network, the Bluetooth communication module is used to transmit control information of starting recording to all recorders in the Bluetooth mesh network through Bluetooth, or to receive the control information of starting recording from any recorder of all recorders and the mobile phone in the Bluetooth mesh network through Bluetooth, and the WiFi communication modules of the plurality of multi-machine wireless synchronous recorders are connected to the cloud server;
wherein the WiFi communication module is used to connect to the cloud server, and the SoC core module records audio signals transmitted from the audio input module to the A/D conversion module into a recording file, and transmits the recording file to the cloud server for storage through the WiFi communication module such that the recording file is to be synthesized with other recording files transmitted by multi-machine wireless synchronous recorders in the Bluetooth mesh network into a multi-track recording project file by the cloud server;
wherein the SoC core module of each of the plurality of multi-machine wireless synchronous recorders embeds a unified identification code of a current recording program in a header of the recording file and recording a synchronization time information in the recording file; and
wherein the cloud server automatically synthesizes the recording files transmitted by the plurality of multi-machine wireless synchronous recorders in the Bluetooth mesh network into a multi-track recording project file by automatically synthesizing, by cloud server, the recording files transmitted by the plurality of multi-machine wireless synchronous recorders in the Bluetooth mesh network into the multi-track recording project file according to the synchronization time information in each recording file.