PARAMETRIC STEREO UPMIX APPARATUS, A PARAMETRIC STEREO DECODER, A PARAMETRIC STEREO DOWNMIX APPARATUS, A PARAMETRIC STEREO ENCODER

A parametric stereo upmix method for generating a left signal and a right signal from a mono downmix signal based on spatial parameters includes predicting a difference signal comprising a difference between the left signal and the right signal based on the mono downmix signal scaled with a predicti...

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Bibliographische Detailangaben
1. Verfasser:	SCHUIJERS, ERIK G.P
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MUSICAL INSTRUMENTS PHYSICS SPEECH ANALYSIS OR SYNTHESIS SPEECH OR AUDIO CODING OR DECODING SPEECH OR VOICE PROCESSING SPEECH RECOGNITION STEREOPHONIC SYSTEMS
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Beschreibung
Zusammenfassung:	A parametric stereo upmix method for generating a left signal and a right signal from a mono downmix signal based on spatial parameters includes predicting a difference signal comprising a difference between the left signal and the right signal based on the mono downmix signal scaled with a prediction coefficient. The prediction coefficient is derived from the spatial parameters. The method further includes deriving the left signal and the right signal based on a sum and a difference of the mono downmix signal and said difference signal.