Re: FLASH: Sound Question (fast v. best)

[John Croteau]

Hi Christopher,


> > When compressed with mp3 try to use 16 or 20 kbs. The quality is

> > better than and use fast, not best, this is better for the internet,

> > best is for cd-rom.

> Umm... I thought the Faster/Better choice merely affected encoding

> speed, for the benefit of developers on low-end machines.  Did this

> change in Flash 4 or am I just plain wrong?


Wrong. even though it takes longer to process Best quality this is not

what MP3 quality is about.


For the internet always use Fast and not Best for MP3 quality.

If the MP3 is to be played from a computer's hard drive you can use Best

without problems even on a slow computer.


In MP3 if you do not have enough space in the current byte to store the

details of a sound you can store it in spaces in future frames. The  MP3

quality determines how far ahead in the MP3 file extra details can be

placed. So if you play a file with Best quality on the web and those

details have not been downloaded yet then there will be missing

information and distorted sound. Using Fast allows less details to be

stored ahead thus potential quality is not quite as high, but there is

less likelihood of missing info and distortion or clicks.


--

Co-author of Flash 4 Web Animation F/X and Design

Autographed copies now available - http://www.crownmall.com/Flash4/

-----------                               -----------------------

John Croteau

croteauerols [dot] com (mailto:croteauerols [dot] com)

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