Device and method for recommending multimedia file to user

A multimedia file recommending method applied in a multimedia file recommending device, the multimedia file recommending device comprising a processor and a storage device to store a multimedia database, the multimedia database stores a plurality of emotional values, each emotional value corresponds to one multimedia file, the method comprising:

• receiving an emotional value X inputted by a user by the processor;
• and
• the processor selecting a multimedia file from the multimedia database according to a default rule, wherein the default rule is a difference between the emotional value associated with the selected multimedia files and the emotional value X inputted by the user falling within a preset range;
• detecting physiological data of the user by using a biomedical sensor when the user plays back the multimedia file for a preset time period;
• and
• calculating a current emotional value Z of the user according to the physiological data of the user and a predetermined rule, and selecting another multimedia file according to the current emotional value Z of the user and the emotional value X inputted by the user, wherein the predetermined rule comprises the processor calculating a compensation value Y according to the formula Y=X−Z, and selecting the multimedia file having an emotional value closest to X+Y.

A multimedia file recommending method applied in a client device communicating with a multimedia file recommending device, the multimedia file recommending device communicating with a multimedia database, the multimedia database storing a plurality of emotional values, each emotional value corresponds to one multimedia file, the client device comprising a communication device, an input device, a biomedical sensor, and a recommend playback device, the method comprising;

• receiving an emotional value X inputted by a user by the input device of the client device;
• sending the emotional value X to the multimedia file recommending device the communication device;
• receiving a multimedia file selected from the multimedia database according to a default rule by the communication device, from the multimedia file recommending device;
• and
• playing back the multimedia file by the recommend playback device of the client;
• detecting physiological data of the user by using the biomedical sensor when the user plays back the multimedia file for a preset time period;
• and
• sending the physiological data to the multimedia file recommending device and receiving another multimedia file selected from the multimedia database having an emotional value closest to X+Y, wherein Y is calculated according to a formula Y=X−Z, wherein Z is a current emotional value of the user calculated according to the physiological data of the user and a predetermined rule.