Abstract: A media item to be provided to users of a platform is identified. The media item is associated with a media class of one or more media classes. An indication of the media item is provided as input to a machine learning model trained based on historical encoding data to predict, for a given media item, a set of encoder parameter settings that satisfy a performance criterion in view of a respective media class of the given media item. The historical encoding data includes a prior set of encoder parameter settings that satisfied the performance criterion with respect to a prior media item associated with the respective class. Encoder parameter settings that satisfy the performance criterion in view of the media class is determined based on an output of the model. The media item is caused to be encoded using the determined encoder parameter settings.

Abstract: An electronic device coupling system includes a plurality of electronic devices. The plurality of electronic devices includes a master device and a plurality of slave devices coupleable to the master device one by one. Each electronic device includes a plurality of bus-bars and a plurality of switch modules. Each switch module includes a plurality of switch paths each corresponding to one of the plurality of bus-bars. Two of the electronic devices are inserted together by two of the plurality of bus-bars located in the two of the electronic devices respectively. When the two of the electronic devices are inserted together, the switch paths of each switch module corresponding to the two of the plurality of bus-bars are switched on.

Abstract: An electronic device coupling system includes a plurality of electronic devices and an external power supply. The plurality of electronic devices includes a master device and a plurality of slave devices coupleable to the master device one by one. Each electronic device has a sequence number according to an insertion sequence, the sequence number is corresponds to all the information of local electronic device, the sequence numbers of the plurality of electronic devices are sorted according to the insertion sequence, the sequence number of the master device is a first number of the sequence, and the master device is coupleable to at least one slave device by the sequence number and all the information corresponding to the sequence number. The at least one slave device is a customized group of the master device.

Abstract: An electronic device power supply system includes a plurality of electronic devices and an external power supply. The plurality of electronic devices includes a master device and a plurality of slave devices coupleable to the master device one by one. Each electronic device has a power node. The master device includes a power module capable of supplying power for one of the slave devices coupled to the master device and next slave device via the power point. When each slave device is coupled, the slave device sends local rated power to the master device. The power module stops suppling power to a last coupled slave device when the rated power of the last coupled slave devices is over the surplus power of the master device, and the external power supply is coupled to the last coupled slave device.

Abstract: An electronic device coupling system includes a master electronic device and a plurality of slave electronic devices. The master electronic device includes a connecting module. Each slave electronic device includes a coupling module. The connecting module includes a plurality of connecting ports. Each connecting port assembly has a plurality of group address codes corresponding to the slave devices and a plurality of matching codes corresponding to each connecting port and each group address code. The master device can be coupled to each slave device according to a group address code. The coupling ports are configured to couple to the connecting ports according to the matching codes. An electronic device coupling method is further provided.

Abstract: A method for group matching electronic devices includes entering a system for group matching, activating an automatic group matching mode of a master electronic device and generating a master automatic matching identification code, activating a group matching mode of a slave electronic device and generating a function software automatic matching code and a slave automatic matching identification code, sending out the master automatic matching identification code to the slave electronic device, writing the interface code of the master automatic matching identification code into the wireless module of the slave electronic device, setting up a function software of the master electronic device having the function software automatic matching code as the function software for controlling an operation of the slave electronic device, and completing the automatic matching between the wireless modules of the master and slave electronic devices.

Abstract: An electronic device coupling system includes a master electronic device and a plurality of slave electronic devices which are each independently connected to the master. The master electronic device includes connecting module and identity module, the slave electronic device includes coupling module and identify module. The identity module stores identity information of each slave device and sends out serially all the identity information. The identify module confirms correspondence of the identity information to a selected slave device. The connecting module has a plurality of matching codes corresponding to each connecting port and each group address code. The master device can couple to a slave device when the identity information corresponds to a selected slave device. The coupling module is couplable to the connecting module according to the matching codes. An electronic device coupling method is further provided.

Abstract: An electronic device connected to numerous first load medias and second load medias. The electronic device comprises a processor and a switch module. The processor is capable of switching between a first working mode and a second working mode. Under the second working mode, the processor generates a second control signal, the switch mode establishes independent electronic connections between specified first load medias and specified second load medias, thus, the first load medias and the second load medias simultaneously communicate with each other through the electronic device.

Abstract: A single electronic device can connect to and communicate with multiple independent load medias. The electronic device comprises a number of internal components, including a processor and a switch module. The processor is capable of switching between a first working mode and a second working mode. The first working mode can establish a one-to-one connection between one load media and one internal component upon a first control signal, and under the second working mode, the processor can generate a second control signal whereby independent connections are established between at least two load medias and at least two of the internal components.

Abstract: A power supply system for an electronic device includes a main device and at least one slave device coupled to the main device. The main device includes a power module and a detection module. Each slave device includes a slave control module, a determination module, and a switch module. The power module supplies power for the slave devices via the switch module. The detection module detects a total consumption of power of the coupled slave devices and compares the total of consumed power to a power rating of a power source. Each determination module is configured to determine whether a posterior slave device is coupled to the local slave device. Each slave control module can deactivate the switch module of the local slave device when the total of power consumed exceeds the power rating and the local slave device disconnects from the posterior slave device.

Abstract: An electronic device can connect to and communicate with multiple independent load medias. The electronic device comprises a processor and a first switch module. The processor is capable of switching between a first working mode and a second working mode. Under the second working mode, the processor can generate a second control signal whereby independent connections are established between at least two load medias and the first switch module. The processor processes the signals from the selected load medias simultaneously.

Abstract: A power supply detecting circuit includes a first voltage detecting module configured to detect an input voltage of a power supply module; a micro control unit (MCU) connected to the first voltage detecting module; a display module connected to the MCU; a second voltage detecting module configured to detect an output voltage of the power supply module; and a current detecting module configured to detect an output current of the power supply module. The MCU is capable of comparing the detected input voltage, the detected output voltage, and the detected output current of the power supply module with corresponding predetermined parameters and calculating an output power of the power supply module. The display module is capable of displaying the detected input voltage, the detected output voltage, the detected output current, and the output power of the power supply module.

Abstract: An electronic device assembly includes a master device and a plurality of slave devices. The master device includes a radio frequency (RF) connecting module, and the RF connecting module includes a plurality of master RF modules, and each master RF module includes one type of master interface. Each slave device includes a slave RF module, and the slave RF module includes different types of slave interfaces. The types of the master interfaces of the master device are not less than the types of the slave interfaces of the plurality of slave devices. Each master interface is connected to a corresponding slave interface via a wireless connection, and each master interface has the same wireless format and the same signal format as the corresponding slave interface.

Abstract: An electronic device coupling system includes a plurality of electronic devices. The plurality of electronic devices includes a master device and a plurality of slave devices coupleable to the master device one by one. Each electronic device includes a plurality of bus-bars, each bus-bar has a plurality of types coupling ports, the coupling ports are arranged on at least three different directions. Each coupling port of any bus-bar in any electronic device is capable of inserting into a corresponding coupling port in another electronic device.

Abstract: An electronic device coupling system includes a plurality of electronic devices and an external power supply. The plurality of electronic devices includes a master device and a plurality of slave devices coupleable to the master device one by one. Each electronic device has a sequence number according to an insertion sequence, the sequence number is corresponds to all the information of local electronic device, the sequence numbers of the plurality of electronic devices are sorted according to the insertion sequence, the sequence number of the master device is a first number of the sequence, and the master device is coupleable to at least one slave device by the sequence number and all the information corresponding to the sequence number. The at least one slave device is a customized group of the master device.

Abstract: An electronic device power supply system includes a plurality of electronic devices and an external power supply. The plurality of electronic devices includes a master device and a plurality of slave devices coupleable to the master device one by one. Each electronic device has a power node. The master device includes a power module capable of supplying power for one of the slave devices coupled to the master device and next slave device via the power point. When each slave device is coupled, the slave device sends local rated power to the master device. The power module stops suppling power to a last coupled slave device when the rated power of the last coupled slave devices is over the surplus power of the master device, and the external power supply is coupled to the last coupled slave device.

Abstract: An electronic device coupling system includes a plurality of electronic devices inserted together; a public device coupled to one of the plurality of electronic devices and including a display module, an audio module, and a control module; a master device including the public device and the one of the plurality of electronic device; and at least one slave devices including other electronic devices. The master device further includes a function module and is coupleable to any one of the at least one slave devices. When one of the at least one slave devices is coupled to the master device, the control module controls the one of the at least one slave devices via the function module.

Abstract: An electronic device coupling system includes a plurality of electronic devices. The plurality of electronic devices includes a master device and a plurality of slave devices coupleable to the master device one by one. Each electronic device includes a plurality of bus-bars and a plurality of switch modules. Each switch module includes a plurality of switch paths each corresponding to one of the plurality of bus-bars. Two of the electronic devices are inserted together by two of the plurality of bus-bars located in the two of the electronic devices respectively. When the two of the electronic devices are inserted together, the switch paths of each switch module corresponding to the two of the plurality of bus-bars are switched on.

Abstract: An electronic device power supply system includes a plurality of electronic devices and an external power supply. The plurality of electronic devices includes a master device and a plurality of slave devices coupleable to the master device one by one. Each electronic device has a power node. The master device includes a power module capable of supplying power for one of the slave devices coupled to the master device and next slave device via the power point. When each slave device is coupled, the slave device sends local rated power to the master device. The power module stops supplying power to a last coupled slave device when the rated power of the last coupled slave devices is over the surplus power of the master device, and the external power supply is switched on to supply power for the last coupled slave device.

Abstract: An electronic device coupling system includes a plurality of electronic devices inserted together. The plurality of electronic devices includes a master device and a plurality of slave devices inserted with the master device one by one in at least a train. Each electronic device includes a control module, a control bus, and a storage unit. The storage unit stores local matching information. Each slave device includes a coupling key coupled to a local control module. When each slave device is inserted to the master device directly or indirectly, each slave device is matched with the master device by identifying the matching information through the control bus; and each slave device is coupleable to the master device through the control module by pressing the coupling key.