| 摘要 |
An electronic device manipulates a digital video having a video portion and an audio portion to encode the audio portion into a multichannel format. The electronic device may include an audio receiver for receiving the audio portion, and an image analyzer for receiving the video portion and determining at least one directional component of audio from an audio source. To determine the directional component, the image analyzer may include an image locator for determining a location of an audio source, and an orientation detector for determining an orientation of the audio source. An audio encoder may receive an input of the audio portion and the directional component, and the encoder may encode the audio portion in a multichannel format based on the directional component of audio from the audio source. The system may be applied to a plurality of audio sources in a digital video.
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