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Wideband audio codec (WAC) improves the voice quality in the hand-free communication system. It allows the telephone conversation to sound more natural and subtle. In this paper, the G.729.1 WAC is ported to Altera Nios II platform and then optimized with dedicated hardware FIR filter and MDCT accelerators to improve the performance for faster operation. The hardware FIR filter and MDCT accelerators...
Wireless communications have been evolving in the past years in a fast way that led to the apparition of numerous standards like UMTS (3G), IEEE 802.11 (WLAN) and DVB-H. New mobile equipments should support multiple standards in order to offer the most complete set of applications to the user like telephony, mobile Internet and mobile television. This paper presents a new reconfigurable unit capable...
The present work describes a reliable improved gradient optical flow estimation system using FPGAs. This structure is based on space-temporal processing and the use of steerable filters. This model can be enhanced using psychophysical and bioinspired properties according to biological vision in order to mimic the singularity and the performance of mammalians. Experimental results and the resources...
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