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Transmission of compressed video over unreliable network is an interesting topic of research. As compression is inversely proportional to data redundancy. Highly compressed data are hence more susceptible to errors. This paper discusses error recovery and concealment techniques for H.264/AVC baseline profile decoder, where bandwidth, decoder performance and memory are critical constraints for real time implementation. This paper proposes a technique which gives improved perceptual concealment without affecting the decoder performance and its memory requirement. The technique is based on novel algorithm which uses the available features in H.264 standard to perform concealment, with minimal pre-processing. Comparison of the novel algorithm has been made with the error concealment capability of JM 13.2 reference software.