A voice quality assessment method comprising: acquiring a time-domain envelope of a voice signal (101); performing a time-frequency conversion on the time-domain envelope to produce an envelope spectrum (102); performing a feature extraction on the envelope spectrum to acquire a feature parameter (103); evaluating communication voice quality on the basis of the feature parameter to acquire a first voice quality parameter of the voice signal (104); calculating a second voice quality parameter of the voice signal by means of a network parameter assessment model (105); and comprehensively analyzing on the basis of the first voice quality parameter and the second voice quality parameter to produce a quality assessment parameter of the section of inputted voice signal (106). A voice quality assessment device and voice quality assessment equipment.
