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US 2015/0312548 A1Published application
Method, medium, and system generating a stereo signal
AssigneeSamsung Electronics Co., Ltd.
InventorsJunghoe KIM, Eunmi OH, Kihyun CHOO, Miao LEI
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Abstract
Surround audio decoding for selectively generating an audio signal from a multi-channel signal. In the surround audio decoding, a down-mixed signal, e.g., as down-mixed by an encoding terminal, is selectively up-mixed to a stereo signal or a multi-channel signal, by generating spatial information for generating the stereo signal, using spatial information for up-mixing the down-mixed signal to the multi-channel signal.
Claims3
An apparatus for generating a stereo signal from a down-mixed mono signal, the apparatus comprising:
- a processor configured:
- to calculate first spatial parameters for up-mixing the down-mixed mono signal to the stereo signal, based on second spatial parameters for up-mixing the down-mixed mono signal to a multi-channel signal other than the stereo signal;
- and
- to generate the stereo signal from the down-mixed mono signal by using the first spatial parameters.
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