Patent ID: 11909985
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An electronic device connected to an external storage device storing a multimedia file comprising a plurality of frames, the electronic device comprising:
a first decoder configured to decode the plurality of frames of the multimedia file and output a first decoded file;
an encoder configured to encode decoded frames included in the first decoded file and output a video thumbnail file including the encoded frames;
a memory configured to store data; and
a controller configured to read the multimedia file from the external storage device, extract the plurality of frames from the read multimedia file, control the first decoder and the encoder to respectively output the first decoded file and the video thumbnail file, and control the memory to store the video thumbnail file,
wherein the controller is configured to sample frames from the plurality of frames at preset time intervals and provide frame data including the frames sampled from the plurality of frames to the first decoder.