MACROMEDIA FLASH MX 2004 - ACTIONSCRIPT Reference Manual page 636

Sound.setTransform()
Availability
Flash Player 5.
Usage
my_sound.setTransform(soundTransformObject)
Parameters
soundTransformObject
Returns
Nothing.
Description
Method; sets the sound transform (or balance) information, for a Sound object.
The
soundTransformObject
method of the generic Object class with parameters specifying how the sound is distributed to the
left and right channels (speakers).
Sounds use a considerable amount of disk space and memory. Because stereo sounds use twice as
much data as mono sounds, it is generally best to use 22-KHz 6-bit mono sounds. You can use
setTransform()
interesting effects to sounds.
The properties for the
A percentage value specifying how much of the left input to play in the left speaker (0-100).
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A percentage value specifying how much of the right input to play in the left speaker
1r
(0-100).
A percentage value specifying how much of the right input to play in the right speaker
rr
(0-100).
A percentage value specifying how much of the left input to play in the right speaker
rl
(0-100).
The net result of the parameters is represented by the following formula:
leftOutput = left_input * ll + right_input * lr
rightOutput = right_input * rr + left_input * rl
The values for
left_input
sound in your SWF file.
Stereo sounds divide the sound input evenly between the left and right speakers and have the
following transform settings by default:
ll = 100
lr = 0
rr = 100
rl = 0
636 Chapter 12: ActionScript Dictionary
An object created with the constructor for the generic Object class.
parameter is an object that you create using the constructor
to play mono sounds as stereo, play stereo sounds as mono, and to add
soundTransformObject
or
right_input
are as follows:
are determined by the type (stereo or mono) of