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Audio signal processing adapted to mobile reception of DVB-T

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4 Author(s)
Thorsten Roll ; University of Ulm, Ulm, Germany ; Leo Vepa ; Juergen Wuenschmann ; Albrecht Rothermel

Mobile reception of digital TV (DTV) is becoming popular and signal processing has to be adapted to the new requirements. This is already done for the DTV receivers but the MPEG decoders are still subject to improvement. Since audio errors are perceived as being much more annoying than video errors, this paper focuses on the adaptations of the audio signal processing. An evaluation of the influence of mobile transmission errors on the audio processing is presented and adaptations are proposed. We show that the amount of correctly decoded frames can be increased by up to 5 % whereas the amount of incorrectly decoded frames can be decreased by up to 16 %. Both will result in an improvement of the perceived audio quality1.

Published in:

IEEE Transactions on Consumer Electronics  (Volume:57 ,  Issue: 4 )