Method of estimating noise levels in a communication system

Details Method of estimating noise levels in a communication system Method of estimating noise levels in a communication system

G - Physics

10

L

G10L 21/02 (2006.01)

Patent

CA 2679476

A method of estimating noise in data containing voice information and noise comprising the steps of receiving the data as a sequence of input values; transforming the data by applying a first non linear mapping to the input values wherein the derivative function of the mapping decreases in magnitude as the input values increase in magnitude smoothing the transformed data; and transforming the smoothed transformed data by applying a second non linear mapping that is opposite to the first non linear mapping, to determine an estimate of the noise in the inputted data.

L'invention concerne un procédé d'estimation du bruit dans des données contenant des informations vocales et du bruit, consistant à recevoir les données comme une suite de valeurs d'entrée ; transformer les données en appliquant un premier mappage non linéaire aux valeurs d'entrée, la fonction de dérivation du mappage diminuant en termes de grandeur à mesure que les valeurs d'entrée augmentent, lissant les données transformées ; et transformer les données transformées lissées en appliquant un second mappage non linéaire qui est opposé au premier mappage non linéaire, de manière à déterminer une estimation du bruit dans les données entrées.

Affiliated with

Also associated with

Rating

Method of estimating noise levels in a communication system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of estimating noise levels in a communication system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of estimating noise levels in a communication system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1918408