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A new technique for addition and subtraction of two digital signals is presented and implemented in FPGAs. The proposed technique is based upon the representation of signals as a Walsh series. A spectrum is generated which can be used for analysis and processing of digital signals directly. The results of addition and subtraction of two digital signals, represented as 8-bits signed number with 16...
This paper focuses on problems of the end to end voice quality assessment. Up to now there have been developed lot of measuring methods, which objectively determine final quality of transmission. This paper deals with the PESQ (Perceptual Evaluation of Speech) algorithm described in the ITU-T P.862 and its use. The basic intent of this work was to develop a device which is able to measure voice transmission...
Datapath merging is an efficient high level synthesis method to merge data flow graphs (DFGs), corresponding to two or more computational intensive loops. This process creates a general purpose datapaths (merged datapaths) instead of multiple datapaths that results in shorter bit-stream length and therefore reduces the configuration time in reconfigurable systems. The merged datapath, however has...
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