Simple Sound Manipulation Lab

The Change Volume function changes the volume of a sound by a given factor.

airplane

changeVolumeAirplane

 

The Normalize function normalizes the sound to a maximum amplitude.

computer

normalizeComputer

 

The Only Maximize function sets all samples to maximum values.

thisisatest

onlyMaximizeThisIsATest

 

The Increase and Decrease function first increases the volume of a sound and then decreases it.

thisisatest

increaseAndDecreaseTIAT

 

The Backwards function plays the given sound backwards.

rabbit

backwardsRabbit

 

The Half Frequency function expands the length of the samples by 2.

inside

halfFrequencyInside

 

The Double Frequency function shortens the length of the samples by 1/2.

inside

doubleFrequencyInside

 

The Copy Sound Into 2 function splices a new sound into the original at a given source index.

copySoundInto2HorseFun