Volume 3 Issue 1



Abstract : This paper gives an overlook of time scale algorithms used for packet loss concealment. The time scale modification (TSM) approach can be used to overcome the quality degradation at the packet loss regions. The Overlap and add (OLA) algorithm does not consider what are the content of the input signal rather it just overlap and add the signal. To avoid time discontinuities synchronous overlap and add (SOLA) algorithm is introduced. The disadvantage of SOLA is that it does not maintain maximum local similarity. To overcome this problem WSOLA technique is used. This technique good quality output sound than other time scale modification algorithms. G ain control into the standard WSOLA technique which could adjust the level of the audio segments for overlap and add in order to maintain the audio signal level consistent . GWSOLA algorithm can be applied in the packet loss concealment of real time voice communications

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Downloads : 1560

Publication Date :

Modified Date : 2016-01-20

Cite/Export :

Ms. More Vrushali Shivaji , Assi.Prof. Shridevi A.Talle , Mr. Sajid Shaikh , "APPLICATION OF WSOLA & GWSOLA ALGORITHMS FOR PACKET LOSS CONCEALMENT", IJIERT - International Journal of Innovations in Engineering Research and Technology, Volume 3 Issue 1, ISSN : 2394-3696, Page No.