Title :
An optimal MMSE-estimator for source codec parameters using intra-frame and inter-frame correlation
Author :
Heinen, Stefan Matthias
Author_Institution :
Synopsis GmbH, Herzogenrath, Germany
Abstract :
We propose a new minimum mean square error (MMSE) estimator, which is able to exploit both intra- and inter-frame correlation of source codec parameters. Simulations, which were performed with realistic parameter correlations, show SNR gains of up to 8 dB
Keywords :
codecs; correlation methods; least mean squares methods; optimisation; parameter estimation; source coding; SNR gains; compression algorithms; digital audio transmission; digital speech transmission; digital video transmission; inter-frame correlation; intra-frame correlation; memoryless transmission channel; minimum mean square error; optimal MMSE-estimator; parameter correlation; simulations; source codec parameters; Bandwidth; Codecs; Data processing; Decoding; Delay; Mean square error methods; Performance gain; Redundancy; Speech; Video compression;
Conference_Titel :
Information Theory, 2001. Proceedings. 2001 IEEE International Symposium on
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-7123-2
DOI :
10.1109/ISIT.2001.936100
