Noise Levels

This script is intended to illustrate the concepts of eyediagramm, constellation, ISI and to understand the effects of additive noise power, channel frequency band restriction, number of possible states within a symbol period, affecting the quality of the transmission.Three methods are employed... Platforms: Matlab

This function can be used for adding different kind of impulse noises (i.e. Salt & Pepper noise and Random-value impulse noise) to image.Salt & Pepper Noise values are 0 or 255 but random-value impulse noise values vary from 0 to 255.website : http://kannan.keizer.googlepages.com Platforms: Matlab

The file calculates and plots FM noise sidebands for a carrier. It also does sinusoidal modulation. This simple way of adding noise to a carrier is useful for simulation of PLLs. It turns out, though, that the mean of the randn function is not as close to zero as it could be, and this causes the... Platforms: Matlab

Usage:Jitter = Pn2Jitter(f, Lf, fc)Inputs:f: Frequency vector (phase noise break points), in Hz, row or column.Lf: Phase noise vector, in dBc/Hz, same dimensions, size(), as f.fc: Carrier frequency, in Hz, a scalar.Output:Jitter: RMS jitter, in seconds.Phase noise data can be derived from... Platforms: Matlab

Used on cellular phones to filter outbackground noise. Measure the signal to noise ratio of an audio input in realtime. Pass speech but give silence where the input is noise (hiss, snap crackle and pop).Includes a tutorial on how to use statistics (correlation coefficient) to calculate the signal... Platforms: Matlab

This simple simulation shows the implementation of FxLMS algorithm for a single channel feed-forward active noise control system. Here, the controller generates an "anti-noise" signal to result a destructive interference at the sensor position. The objective is to minimize the noise residue.The... Platforms: Matlab

Suppose that you have a signal Y (Y can be a time series, a parametric surface or a volumetric data series) corrupted by a Gaussian noise with unknown variance. It is often of interest to know more about this variance. EVAR(Y) thus returns an estimated variance of the additive noise.EVAR provides... Platforms: Matlab

This simple simulation shows the implementation of FbLMS algorithm for a single channel feedback active noise control system. Here, the controller generates an "anti-noise" signal to result a destructive interference at the sensor position. The objective is to minimize the noise residue.FbLMS... Platforms: Matlab

Powermanga is an arcade 2D space simulation game with 41 levels and more than 200 sprites. It runs in 320x200 or 640x400 pixels, with Window mode or full screen and support for 8, 15, 16, 24, and 32 bpp.. GNU/Linux Port of Powermanga and TecnoballZ games Platforms: *nix

Cool Balls by SplineStudio.com is a nice addictive puzzle game for children and adults. It develops thinking, prospective view and helps to spend your time with pleasure. The purpose of the game is to remove all balls from the field. A ball can jump over one ball (it will disappear) in case the... Platforms: Windows

Simple but powerful image editor for users of all levels.The simplicity is thanks to a good interface with expressive icons that don`t hide anything of its power. It includes a hundred filters, including the most common and most used (noise, accentuate, contour...). It also has useful tools like... Platforms: Windows

Nice absorbing arcade game with skill levels by Games-Online-Zone.com This doggy arrived from Pluto planet. It is crazy about terrestrial food. It flies in the UFO and collects food - bonuses. One bonus - 100 point, to go on to another level you should collect all bonuses and land to the... Platforms: Windows

DNS Flood Detector was developed to detect abusive usage levels on high traffic nameservers and to enable quick response in halting (among other things) the use of ones nameserver to facilitate spam. DNS Flood Detector uses libpcap (in non-promiscuous mode) to monitor incoming dns queries to a... Platforms: *nix

measurenoise is a tool for determing the noise threshold for tools like motion. It uses v4l interface. Installation for measurenoise: Get the colorconversion routines from: http://www.smcc.demon.nl/webcam/release.html#ccvt build them and copy ccvt.h and libccvt.a to the measurenoise... Platforms: *nix

Wad2PDF examines wad files and prints an overhead picture of all levels to a PDF file. Wad2PDF is a program that converts the levels in Doom wad files into PDF files. The result has a birds eye view of every level, with floors neatly texturized and all items in the level in their proper places.... Platforms: *nix

Despeckle plug-in provides selectable filters to remove specs, scratches, or other "noise" in an image. The following filters are available: Non-recursive median, Recursive median, Non-recursize adaptive median, Recursive adaptive median. Using the Despeckle Plug-In: Figure 1 shows the... Platforms: *nix

JACK Timemachine is a tool that can record occasional bursts of interesting noise from jack apps. I used to always keep a minidisc recorder in my studio running in a mode where when you pressed record it wrote the last 10 seconds of audio to the disk and then caught up to realtime and kept... Platforms: *nix

Noise Industries Units is a set of filters and generators that are compatible with any Core Image-enabled application on Mac OS X (e.g. Quartz Composer).NI 3x3 WeightsNI Displacement DistortionNI Drop ShadowNI Red ChannelNI Green ChannelNI Blue ChannelNI Join ChannelsNI Noise GeneratorNI RGB to... Platforms: Mac

The filter adds artificial noise of one common types (equidistributed, normaldistributed, colour stains, echo signal) to video stream. It can be used for testing, debuging and comparison of various denoising filters.'Settings' dialogue box allows to select type of noise to generation. Noise... Platforms: Windows

Experience increased impact and clarity with clean audio by easily removing unwanted noise and enhancing your recordings. iZotope Music & Speech Cleaner gives you all the tools of a complete audio cleanup suite with straight forward accessibility. Music & Speech Cleaner's intuitive step-by-step... Platforms: Windows, Windows Vista, XPX64, 7, 7x64