FIELD: physics, acoustics.
SUBSTANCE: invention relates to audio processing and particularly to decomposing audio signals into different components. A device for decomposing an input signal, having at least three input channels, comprises a downmixer for downmixing the input signal to obtain a downmixed signal having fewer channels, an analyser for analysing the downmixed signal to obtain an analysis result which is forwarded to a signal processor for processing the input signal or the signal derived from the input signal in order to obtain a decomposed signal.
EFFECT: high accuracy of reproducing stereo sound.
15 cl, 16 dwg
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