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Subject: RE: FLASH: audio question/flash 3
From: Dave Hollinden
Date: Tue, 26 Oct 1999 16:17:24 +0100

1) Flash 3 does not apply an anti-aliasing filter to the audio when it
downsamples. You are better off downsampling on your own and applying any
EQ that you want, then importing it into Flash and setting the number of
bits of ADPCM compression that you desire.

2) There ain't no way you can get Flash to play file1.aif 3 times and then
file2.aif once and make it seemless. Flash has no idea when it encounters
the end of an audio file, so it won't know when to start the next one.

Dave Hollinden
dhollindenatsonicfoundry [dot] com

-----Original Message-----
From: Grimmwerksataol [dot] com [Grimmwerksataol [dot] com (mailto:Grimmwerksataol [dot] com)]
Sent: Tuesday, October 26, 1999 4:28 AM
To: flasheratchinwag [dot] com; jdowdellatmacromedia [dot] com
Subject: FLASH: audio question/flash 3


I have a client that is using Flash 3 still, and want to compress some
audio loops they have from THEIR client as much as possible....I do a lot
of audio with director and what I usually do is strip out the bandwith of
the audio loops by ear and get the file to 5 khz (cd audio is
44khz)...and usually these files sound great (bright, etc)...the client
has been importing audio into flash 3 at 44khz and compressing down to
11k with 4bit compression...

1). Is there a noticable difference between importing an already
downsampled audio file or allowing flash to compress it? My gut says that
Flash is merely stripping away bandwith at certain points, rather than
'hearing' what to strip out (obviously)...but is there an advantage in
file size to bringing in downsampled audio?

2). A lot of the audio loops are rock in nature, meaning 4 bar loops,
where the first and third bars are the same - or even bars 1, 2 and 3 are
the same and 4 is a keychange, etc.
My thought was to give 2 sections and have the flash guys build it up as:

file1.aif, file1.aif, file1.aif, file2.aif

rather than file.aif --------------------> keeping the whole loop.
However, it doesn't seem that this can be so seamless in flash...can
flash play one file and then play the next without making the animation
jagged? Perhaps creating a looping file as a symbol that is merely audio,
no graphics? Does that sound insane?

Any tricks on the audio side would be appreciated.



--------------------[ http://www.grimmWERKS.com ]------------------
[ graphic design -|- sound design -|- shockwave -|- lingo -|- cdrom ]
131 Park Avenue East Rutherford NJ 07073
vox: 201.935.5701 fax: 201.935.5702
[ grimmWERKSataol [dot] com ] [ grimmWERKSathome [dot] com ]




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