Audio track switching method in multimedia playing and multimedia playing device
The invention discloses an audio track switching method, which is applicable to the in multimedia playing device. The audio track switching method in multimedia playing comprises steps of responding to an order of switching to a second audio track which is trigger by the user when the multimedia pla...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention discloses an audio track switching method, which is applicable to the in multimedia playing device. The audio track switching method in multimedia playing comprises steps of responding to an order of switching to a second audio track which is trigger by the user when the multimedia playing device plays audio frequency of a first audio track of a multimedia file, deleting the audio frequency data packet of the first audio track stored in the audio cache region, successively reading the audio frequency data packet of the second audio track of the multimedia file in external storage and storing the data packet in the audio frequency cache zone. The read data packet of the second audio frequency track is corresponded to a video data packet currently stored in a video cache zone, and then the audio frequency data packet of the second audio track is played. The audio track switching method in multimedia playing and the multimedia playing device can reduce the main memory resource occupied by the multimedia file being played. |
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