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

Claim 16:
17. A method of operating an electronic device connected to an external storage device storing a multimedia file comprising a plurality of frames, the electronic device comprising a controller, a decoder and an encoder, the method comprising:
reading, by the controller, the multimedia file from the external storage device;
decoding, by the decoder, sample frames among the plurality of frames of the read multimedia file;
encoding, by the encoder, the decoded sample frames to provide reduced size decoded sample frames; and
storing, by the controller, a video thumbnail file including the encoded sample frames in memory included in the electronic device,
wherein the decoding of the sample frames among the plurality of frames of the read multimedia file comprises:
sampling frames from the plurality of frames at preset time intervals; and
decoding the frames sampled at the preset time intervals as the sample frames.