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Upmixer, method and computer program for upmixing a downmix audio signal
Upmixer, method and computer program for upmixing a downmix audio signal
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机译:上混器,用于对下混音频信号进行上混的方法和计算机程序
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摘要
An upmixer for upmixing a downmix audio signal into an upmixed audio signal describing one or more upmixed audio channels comprises a parameter applier configured to apply upmixing parameters to upmix the downmix audio signal in order to obtain the upmixed audio signal. The parameter applier is configured to apply a phase shift to the downmix audio signal to obtain a phase-shifted version of the downmix audio signal, while leaving a decorrelated signal unmodified by the phase shift. The parameter applier is further configured to combine the phase-shifted version of the downmix audio signal with the decorrelated signal to obtain the upmixed audio signal.
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