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AssigneeFujitsu Limited
InventorsMasanao Suzuki, Miyuki Shirakawa, Yoshiteru Tsuchinaga
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An audio encoding device includes, a time-frequency transform unit that transforms signals of channels included in an audio signal having a first number of channels into frequency signals respectively, a down-mix unit that generates an audio frequency signal having a second number of channels, a low channel encoding unit that generates a low channel audio code by encoding the audio frequency signal, a space information extraction unit that extracts space information representing spatial information of a sound, an importance calculation unit that calculates importance on the basis of the space information, a space information correction unit that corrects the space information, a space information encoding unit that generates a space information code, and a multiplexing unit that generates an encoded audio signal by multiplexing the low channel audio code and the space information code.
An audio encoding device, comprising:
An audio encoding method, comprising:
A non-transitory computer-readable recording medium storing a program for causing a computer to execute a moving image encoding process, the process comprising:
A video transmission device, comprising:
Dependencies are inferred from the claim text.