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Subject: Re: FLASH: preferred sound compression in Flash 5?
From: PSWoods
Date: Tue, 19 Dec 2000 00:20:55 GMT


here here!

it always chaps my ass when i hear flashers talking about sound (and getting
it all wrong); you don't know how refreshing it is to read your comments! i
don't think i've run into anyone else in flash circles who understands that
the human voice is a very complex waveform. good for you!

BTW - i was at my local B&N today and i saw that they had 5 copies of your
book on the shelf. are you starting to run to the mailbox yet?


other flash sound myth/fact pairs:

myth - you should resample sounds in an editor before bringing them into
fact - flash will do this for you. the more information flash has to start
with, the better the output will be. the only reason you would want to
downsample a wav in an editor is as a workaround for the windows sound card

myth - you should covert stereo sounds to mono in an editor
fact - same as above

myth - there are formulas for different kinds of sound
fact - there is one formula for all sounds: use your ear to determine the
lowest sampling rate/best compression that is acceptable for each individual
sound. you need to spend a little time in the symbol properties dialog for
each sound.

myth - bringing mp3 into flash is a good thing
fact - umm, no. importing mp3 is good for (1999) buzzword compliance and
stealing intellectual property. if you have permission to use a wave form,
you will have an uncompressed, high-resolution copy of it.

another thing about flash audio - test on a range of audio output hardware,
from the stuff in your studio down to a crappy old sound card and the
speakers that came free with your grandma's first PC. in any million-dollar
recording studio you will see a POS boom box for this purpose.

----- Original Message -----
From: "Phillip Kerman" <flash5atteleport [dot] com>
To: <flasheratchinwag [dot] com>
Sent: Monday, December 18, 2000 2:15 PM
Subject: RE: FLASH: preferred sound compression in Flash 5?

> A--never use "stream" unless you have to.
> B--never use "fast" unless you're testing, the final movie should always
> "best".
> C--MP3 appears to be the best compromise of size/quality, but it's
> subjective. (A lot of people, mistakenly think voice can suffer the
> greatest compression without becoming unacceptable--but that's usually
> oposite the truth.)
> D--according to theory, 56kbps compresses sound will stream over 56K
> modem... but you probably need to pad it a bit considering servers may not
> keep up and there's other stuff coming down in your movie besides audio.
> E--a preloader will solve most of this... and you can use Event sound.
> F--finally, if you're going to have Flash do the compression you should
> start with the HIGHEST quality .wav or .aif that you import into your
> Some of this is covered in chapter 10 of my book, which happens to be
> available as a free download:
> http://www.teleport.com/~phillip/sty_flash/
> Phillip

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  RE: FLASH: preferred sound compression i, Phillip Kerman

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