Title :
DSP Architecture with Jumping-Floating-Point Number System
Author :
Lei, Yung Chun ; Lin, Chien Hung
Author_Institution :
Digital Consumer BU, MediaTek Inc., Hsin-Chu
Abstract :
We introduce a number system called "jumping-floating-point" (JFP), which has both the characteristics of the fixed-point and the floating-point number systems. We also introduce a DSP architecture with JFP processing capability. This DSP architecture is feasible and can be applied to traditional fixed-point DSP architecture without too much cost. According to our experiments, the JFP number system has better SNR than the fixed-point number system
Keywords :
digital signal processing chips; fixed point arithmetic; floating point arithmetic; DSP architecture; JFP number system; JFP processing; SNR; fixed-point number systems; jumping-floating-point number system; Consumer electronics; Costs; Digital signal processing; Dynamic range; IIR filters; Instruments; Job design; Signal design; Signal to noise ratio; Switches;
Conference_Titel :
Asian Solid-State Circuits Conference, 2005
Conference_Location :
Hsinchu
Print_ISBN :
0-7803-9163-2
Electronic_ISBN :
0-7803-9163-2
DOI :
10.1109/ASSCC.2005.251751
