The quality criterion can be derived with respect to a resulting total bit rate of the parametric representation 112 or with {TAIL ~ respect} to {HEAD ~ quality aspects}, taking into account the perceptual quality of a reproduction of the multi channel signal 106 based on the parametric representation 112 
The quality criterion can be derived with respect to a resulting total bit rate of the parametric representation 112 or with { TAIL ~ respect } to { HEAD ~ quality aspects } , taking into account the perceptual quality of a reproduction of the multi channel signal 106 based on the parametric representation 112
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