Noise Levels

Line Noise is an iMovie effects plug-in to add various noise-like disturbances to your clip, making it look like anything from a bad connector to short-burst interference over snow storm to a full loss of signal.What should i use it for?This is a specialized plug to simulate a bad signal. use it...

Noise fade transitions are a set of iMovie transitions that will make a clip disappear into, or appear out of, something that looks like 'signal noise' (also called 'static noise'. Pull the antenna cable from your TV set, and you'll see what that looks like Ts if your TV is old enough and won't...

A simple utility to generate random noise in RGB or grayscale. Noise Maker saves the generated noise file(s) to PNG format.


Platforms: Mac

Generate white noise from your computer speakers. White noise is usually used as a sleep or relaxation aid. The software can be set to start and stop at specified times during the day.


Platforms: Windows

Features - two levels menu - horizontal & vertical menu - XML driven make it easy to control - with sound effect Customize - Span size between menus in xml item - Round corner size of each menu in xml item - Turn on the sound effect or turn off in xml item - Load url page or frame of Movieclip in...


Platforms: Windows, Mac, Other, Pocket PC, Android, BlackBerry, iPhone, iPod, iTouch, Palm

Multi Color Circular Noise Loop - useful as a background, presentation, intro, transition, title, logo, banner, site, etc. 5 color variation : (multicolored) (purple+blue) (white+blue) (yellow+blue) (yellow+red) Included files FLV (704x576 & 720x576) and best qualiy QT MOV H.264 (1280x720) For...


Platforms: Not Applicable

River Levels widget provides an easy way to monitor the amount of water flowing in your favorite streams and rivers right from your Dashboard. The River Levels widget is of particular interest to whitewater kayakers and canoeists. Once any United States Geological Survey (USGS) stream-gauge...


Platforms: Mac

A white noise and soundscape generator designed to help you block out workplace noise and create a more productive work environment to suit your mood. It can be very hard and tiring to try to concentrate in a noisy work environment. The chatter of co-workers can be especially hard to block out....


Platforms: Mac

The two-step noise reduction (TSNR) technique removes the annoying reverberation effect while maintaining the benefits of the decision-directed approach. However, classic short-time noise reduction techniques, including TSNR, introduce harmonic distortion in the enhanced speech. To overcome this...


Platforms: Matlab

LLR_DEMOD LLR Demodulator H = LLR_DEMOD_MEX(CONSTELLATION, MAPPING, METHOD) constructs a LLR demodulator object H for a given constellation, mapping and noise variance. The vectors CONSTELLATION and MAPPING are usually generated by using MATLAB Modem Modulation Modem. and contain the complex or...


Platforms: Matlab

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

The function essentially simulates the colored noise which essentially is a correlated process and unlike the white noise does not have flat PSD. Although white noise is a realistic process color noise seems more practical and hence it requires correct modeling and simulation. The simulation here...


Platforms: Matlab

This archive contains the function which helps in adding the noise to the image given. The noise function can b given various parameters to create various types of noises like gaussian,uniform,Rayleigh etc..........This archive also contains a function which helps in restoring a distorted image....


Platforms: Matlab