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Learning module descriptions

Labview programming techniques for audio signal processing

  • Getting Started with LabVIEW -- Learn about the LabVIEW programming environment, create your first virtual instrument (VI), learn about LabVIEW's graphical dataflowprogramming paradigm, become acquainted with some of LabVIEW's data types, and review some useful debugging techniques.
  • Editing Tips for LabVIEW -- Learn how to efficiently create and edit LabVIEW block diagrams and front panels.
  • Essential Programming Structures in LabVIEW -- Learn how to work with LabVIEW's essential programming structures such as for-loops, while-loops, case structure,MathScript node, and diagram disable.
  • Create a SubVI in LabVIEW -- A subVI is equivalent to a function, subroutine, or method in other programming languages, and useful for encapsulating code that will be reused multiple time. A subVI is also used to develop hierarchical programs.
  • Arrays in LabVIEW -- Learn how to create and manipulate arrays, perform mathematical operations on them, and use spreadsheets to read andwrite arrays to the file system.
  • Audio Output Using LabVIEW's "Play Waveform" Express VI -- Learn how to play an audio signal (1-D array) using your computer's soundcard.
  • Audio Sources in LabVIEW -- Learn how to use the 'Sine Wave' subVI from the Signal Processing palette as an audio source.
  • Reading and Writing Audio Files in LabVIEW -- Learn how to use LabVIEW to retrieve an audio signal from a WAV-format file, and how to save an audio signal that youhave created to a WAV-format file.
  • Real-Time Audio Output in LabVIEW -- Learn how to set up the framework for your own LabVIEW application that can generate continuous audio output and respondto changes on the front panel in real time.

Introduction to audio and musical signals

  • Perception of Sound -- A basic understanding of human perception of sound is vital if you wish to design music synthesis algorithms to achieve your goals.In this module, learn about pitch and frequency, intensity and amplitude, harmonics, and tuning systems. The treatment of these concepts is oriented to the creation of music synthesis algorithms.
  • Mini-Project: Musical Intervals and the Equal-Tempered Scale -- Learn about musical intervals, and discover the reason behind the choice of frequencies for the tuning system called "equal temperament."

Analog synthesis and modular synthesizers

  • Analog Synthesis Modules -- Learn about analog synthesizer modules, the foundation for synthesizers based on analog electronics technology.While analog synthesis has largely been replaced by digital techniques, the concepts associated with analog modular synthesis(oscillators, amplifiers, envelope generators, and patches) still form the basis for many digital synthesis algorithms.
  • Mini-Project: Compose a Piece of Music Using Analog Synthesizer Techniques -- Design sounds in LabVIEW using analog synthesis techniques. You will create two subVIs: one to implement an ADSR-style envelopegenerator and the other to create a multi-voice sound source. You will then create a top-level application VI to render a simple musical composition as an audio file.

Questions & Answers

can someone help me with some logarithmic and exponential equations.
Jeffrey Reply
sure. what is your question?
ninjadapaul
20/(×-6^2)
Salomon
okay, so you have 6 raised to the power of 2. what is that part of your answer
ninjadapaul
I don't understand what the A with approx sign and the boxed x mean
ninjadapaul
it think it's written 20/(X-6)^2 so it's 20 divided by X-6 squared
Salomon
I'm not sure why it wrote it the other way
Salomon
I got X =-6
Salomon
ok. so take the square root of both sides, now you have plus or minus the square root of 20= x-6
ninjadapaul
oops. ignore that.
ninjadapaul
so you not have an equal sign anywhere in the original equation?
ninjadapaul
Commplementary angles
Idrissa Reply
hello
Sherica
im all ears I need to learn
Sherica
right! what he said ⤴⤴⤴
Tamia
what is a good calculator for all algebra; would a Casio fx 260 work with all algebra equations? please name the cheapest, thanks.
Kevin Reply
a perfect square v²+2v+_
Dearan Reply
kkk nice
Abdirahman Reply
algebra 2 Inequalities:If equation 2 = 0 it is an open set?
Kim Reply
or infinite solutions?
Kim
The answer is neither. The function, 2 = 0 cannot exist. Hence, the function is undefined.
Al
y=10×
Embra Reply
if |A| not equal to 0 and order of A is n prove that adj (adj A = |A|
Nancy Reply
rolling four fair dice and getting an even number an all four dice
ramon Reply
Kristine 2*2*2=8
Bridget Reply
Differences Between Laspeyres and Paasche Indices
Emedobi Reply
No. 7x -4y is simplified from 4x + (3y + 3x) -7y
Mary Reply
is it 3×y ?
Joan Reply
J, combine like terms 7x-4y
Bridget Reply
im not good at math so would this help me
Rachael Reply
yes
Asali
I'm not good at math so would you help me
Samantha
what is the problem that i will help you to self with?
Asali
how do you translate this in Algebraic Expressions
linda Reply
Need to simplify the expresin. 3/7 (x+y)-1/7 (x-1)=
Crystal Reply
. After 3 months on a diet, Lisa had lost 12% of her original weight. She lost 21 pounds. What was Lisa's original weight?
Chris Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
China
Cied
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
what is the k.e before it land
Yasmin
what is the function of carbon nanotubes?
Cesar
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
AMJAD
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
AMJAD
what is system testing
AMJAD
what is the application of nanotechnology?
Stotaw
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
Azam
anybody can imagine what will be happen after 100 years from now in nano tech world
Prasenjit
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
Azam
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
Prasenjit
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
Damian
silver nanoparticles could handle the job?
Damian
not now but maybe in future only AgNP maybe any other nanomaterials
Azam
can nanotechnology change the direction of the face of the world
Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
Ali Reply
the Beer law works very well for dilute solutions but fails for very high concentrations. why?
bamidele Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Musical signal processing with labview (all modules). OpenStax CNX. Jan 05, 2010 Download for free at http://cnx.org/content/col10507/1.3
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