Nowadays, audio editing tools can easily utilized to alter any digital audio signal. The original recorded conversation can be modified by inserting fake statement in order to twisted the context. Most of such tampering are difficult to identify by relying only on human hearing. Hence, a robust tool is required to help detecting tampered audio if present. In forensic community, it is known that...

Current interfaces for navigating digital documents use a standard point-andclick cursor to indirectly manipulate pages. We are presenting an interface that allows for direct and natural manipulation of a digital document by making utilizing the user’s ability to expertly navigate a book. This device allows for controlling the degree of bend in a virtual page (in two degrees of freedom), turnin...

Analog Fourier optical processing systems can perform important classes of signal processing operations in parallel, but suffer from limited accuracy. Digital-optical equivalents of such systems could be built that share many features of the analog systems while allowing greater accuracy. We show that the digital equivalent of any system consisting of an arbitrary number of lenses, niters, spat...

Digital Clay is a term that signifies a computercontrolled physical surface, capable of taking any of a wide variety of possible shapes in response to changes in a digital 3D model or changes in the pressure exerted upon it by bare hands. The physical properties of such a device impose design and user-interface constraints not encountered in traditional, tracker-based software for the manipulat...

The spatial wave-function switched field effect transistor (SWSFET) has two or three low band-gap quantum well channels inside the substrate of the semiconductor. Applied voltage at the gate region of the SWSFET, switches the charge carrier concentration in different channels from source to drain region. The switching of electron wave function in different channels can be explained by the devic...

An electrostatic digital mirror device has been used to replace the lenslet array in a simple adaptive optics system. Clusters of binary pixels define the subapertures of the image plane and direct a small portion of the image onto a detector. The detector measures position shifts in the focused subaperture image caused by optical aberrations. Measurements on a digital mirror-based system and a...

Flash memory is a non-volatile storage device that can retain its contents when the power is switched off. Generally, it is a form of an electrically erasable programmable read-only memory (EEPROM) that offers several excellent features such as less noise, solid-state reliability, lower power consumption, smaller size, light weight, and higher shock resistant [1 – 5]. Flash memory acts as a sli...

Developing effective urban planning approaches is a major challenge for outdoor and indoor environments. Wayfinding in unfamiliar indoor environments is a prime task which everyone would be encountered. The development of assistive technologies to aid wayfinding is hampered by the lack of reliable and cost-efficient methods providing location information in the environment. We have applied RFID...

The digital image processing is to be used in Antiforensics of photo response non-uniformity of digital images. Fingerprints are one of those irregular twists of nature. The fingerprints are used for authentication and identification processes in forensic tasks such as detection of digital forgeries. Forensic tasks can to be performed in device identification problem, device linking problem, fi...

This paper deals with digital processing of speech as it pertains to the hearing impaired. The issues described in this paper deal with the development of a true real-time digital hearing aid. The system (based on Texas Instruments TMS320C3X) implements frequency shaping, noise reduction, , interaural time delay, amplitude compression and various timing options. It also provides a testbed for f...