Title :
Biologically inspired auditory sensing system interfaces on a chip
Author :
Hasler, Paul ; Smith, Paul D. ; Ellis, Rich ; Graham, David ; Anderson, David
Author_Institution :
Georgia Inst. of Technol., Atlanta, GA, USA
Abstract :
Describes the current effort of creating cooperative analog/digital signal processing (CADSP) systems towards auditory sensor and signal processing applications. We address resolution issues that affect the choice of signal processing algorithms arriving from an analog sensor. We discuss current analog circuit approaches towards the front-end signal processing. We discuss our current IC approaches using this technology for noise suppression, as well as our current analog signal processing front-end system for speech recognition. Experimental data is presented from circuits fabricated using a 0.5 μm n-well CMOS process available through MOSIS.
Keywords :
CMOS integrated circuits; VLSI; acoustic transducers; mixed analogue-digital integrated circuits; signal processing equipment; speech recognition equipment; 0.5 micron; CMOS; VLSI; acoustical sensor; auditory sensing system interfaces; cooperative analog/digital signal processing systems; front-end signal processing; noise suppression; speech recognition; Analog circuits; Analog integrated circuits; Biomedical signal processing; Biosensors; Digital signal processing chips; Integrated circuit noise; Sensor phenomena and characterization; Sensor systems and applications; Signal processing algorithms; Signal resolution;
Conference_Titel :
Sensors, 2002. Proceedings of IEEE
Print_ISBN :
0-7803-7454-1
DOI :
10.1109/ICSENS.2002.1037182
