Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.

Evaluation of concealment techniques for compressed digital audio

: Herre, J.; Eberlein, E.

Berlin, 1993, 22 S.
Preprint - Audio Engineering Society, 3460
Audio Engineering Society (Convention) <94, 1993, Berlin>
Fraunhofer IIS A ( IIS) ()
data compression; Datenkompression; Datenreduktion; error concealment; Fehlerverschlüsselung; low bitrate audio coding; NMR; psychoacoustics; Psychoakustik

In the context of low bitrate audio coding, particular error concealment techniques can be efficiently applied in order to reduce the effects of errors in the transmission channel. Several proposed methods of varying complexity work on the spectral domain representation of the audio data. The performance of these algorithms is compared in terms of the subjective quality of the restored signal using a perceptual measurement technique.