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An introduction to the Elec 301 project entitled Selective "Listening: Drown Out the Noise"

Introduction

In common practice, there are few situations in which one can record a single audio source by itself; however, in signal analysis it is often useful to operate on just one component at a time. Consider, for example, what has come to be known as the Cocktail Party problem. A recording of a Cocktail party contains multiple sources, but most recording devices and formats combine all the sources into one signal. Home video makers might want to isolate a voice for a digital scrapbook, or a team of students might want to separate all the speakers in order to automatically generate a transcript of a conversation and properly attribute the lines to individual sources. There are also several situations in which one might run spectral analysis on just one person's voice.

There are a large number of situations in which it is beneficial to isolate individual signals either for individual playback or for individual analysis. We aim to explore the methods of isolating individual sources by developing techniques that use Independent Component Analysis tools in MATLAB.

Questions & Answers

What are the basic concepts of economic
Taye Reply
With the aid of appropriate diagram differentiate between change in demand
Jones Reply
explain demand
Alaka Reply
Demand is a quantity of goods and services a consumer is willing to buy at given price in a period of time.
Aliado
who break in bulk
Alaka
what is demands and it law
matthew Reply
Demands, is the quantity of agoods a consumer is willing to buy at given price in a give period of time where as the law of demand states that, the higher the price, the lower the quantity demanded and the lower the price, the higher the quantity demanded by consumers
Aliado
what is division of labour
Sunday Reply
Demand is set to be enlastic when its what
bohvy Reply
more than boll had him had bhaag......
SHADAB
Cant you speak in English
john
a little
Tith
I do speak English.. the question is Demand is set to be elasticity went the dash *2
bohvy
if I want some document from,that 9k?
Tith
hi
muhammed
if both %^ Increase in input & %^ increase in output, then it is elastic and = to 1.
Rowda
Allah's Allah's last I'll be in the area around.....
SHADAB
Hy guyz
Vuyai
Hi
john
How are you all doing rumies
john
why is scarcity a fundamental problem in economic
Abubakar Reply
what is demand curve
Takyi Reply
xplain
Ubong
thanks for your help with the same....
SHADAB
What is elasticity of demand
Karim
what is unemployment
Alaka
what is opportunity cost
Samuel Reply
Opportunity cost which also mean real cost it is a term used for foregone alternatives
john
what is demand
ikea Reply
Demand may simply be define as the total quantity of good or service a consumer are willing to buy at a specific price within a period of time.
john
your language is tough
techy Reply
How economics is related to other subjects?
Mikateko Reply
It is social science related subjects
john
How ? explain
Mikateko
and something else help me about business cycle
Mikateko
s classified as a social science. This view makes eco­nomics an academic relative of political science, sociology, psychology and anthropology. All of these disciplines study the behaviour of human beings individually and in groups.
john
The business cycle describes the rise and fall in production output of goods and services in an economy. Business cycles are generally measured using the rise and fall in the real gross domestic product (GDP) or the GDP.
john
hello everyone
Selena
hii
Yes
hello selena
Yes
How are you doing every one
john
hello Selena
Yes
hi
NONSO
yes
NONSO
What Is Economic Growth?
Saviour Reply
is the increase of quantity of goods ans services
Hashi
what is economic
Yomina Reply
Economic may be define as the science which studies human behaviour in relationship with end and scarce which have alternative use. This definition was drafted by Lionel robbin
john
good
Tith
it is science of wealth.
SHADAB
if I want some documents from you ,Are you ok?
Tith
it is not only wealth as well as welfare also.as well as scarce means of ends,for human satisfaction for alternative uses.
Avijit
economics applications
techy
who should study economics
Mary Reply
hi
Adu
How are you doing
john
finr
Tith
sorry, fine
Tith
and you?
Tith
Good
Adu
where do you live?
Tith
Accra n u
Adu
Difference between extinct and extici spicies
Amanpreet Reply
in a comparison of the stages of meiosis to the stage of mitosis, which stages are unique to meiosis and which stages have the same event in botg meiosis and mitosis
Leah Reply
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Source:  OpenStax, Elec 301 projects fall 2008. OpenStax CNX. Jan 22, 2009 Download for free at http://cnx.org/content/col10633/1.1
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