RE: FLASH: Compress Size

[Merrill, Bob]

I think I misunderstood. I think you are referring to the sample rate. I

thought you were talking about equalization. Whoops.


BobMerrill


> <BobMerrill wrote:

> >I hope you are not nipping off frequencies over 11khz on music tracks.

> >That's like putting cotton in your ears. Assuming the end user has a

> decent

> >pair of speakers. I have 3 sets I use for testing. The set with the sub

> >rivals my home theater except in volume level.

> 

> The "brickwall" filtering before import and ADPCM compression doesn't

> sound good for all material, so I test first--but doing some

> pre-processing

> before import and compression can make the stuff sound better when it's

> shocked. At least that's been my experience.

> 

> The 22kHz and 11kHz ADPCM compression codecs in Flash3 nip off a _lot_

> more than 11kHz. At least if I do the EQ before import, I have some

> control.

> The Flash4 MP3 codecs are a _lot_ more forgiving, so I can probably put

> away my torture-tools soon....but the ADPCM codec is a trade-off between

> quality and file-size, and we need to keep delivering Flash3 .swfs for a

> while.

> 

> Our user-base varies so much in platform, system and browser it isn't

> even sure some of them have a soundcard--but I try to make the audio

> sound good on all systems, including crappy computer speakers, good

> computer speakers, and headphones....

> 

> Believe me, I'd love to deliver 44.1k/16 bit stereo at all times. (Or

> more....those DVD specs got me drooling)....but my job is to make the

> Flash shockwave soundtracks as tiny as possible. Sometimes, that can

> be mean making really brutal decisions before import and upon compression,

> alas. If you have a different method, I would love to hear it, I'm always

> looking for new ideas to try.

> 

> - HP

> 

> PS - How are developers on this list handling the Flash3 vs Flash 4

> issue? (eg, the fact that millions of people have the 3 plugin, but

> Flash4 is what we all want to be developing in and for?) Do you

> author two versions, one 3 and one 4, and sniff visitors for plugin

> versions, or ...?????

> 

> >> -----Original Message-----

>

>> From: Heather Perkins [SMTP:hperkinsmail [dot] teleport [dot] com]

> >> Subject:Re: FLASH: Compress Size

> >>

> >>

> >> >Also, I thought it was best to import everything at the highest

> quality

> >> and

> >> >let Flash do the compression on publishing (according to the user's

> >> >settings).

> >> >

> >> >Am I mistaken?

> >> >

> >> >Bernard C

> >>

> >> No, I guess I was thinking that it is good to get the audio down to

> >> 22050Hz 16 bit mono before import, to have more control over

> >> the downsampling. I like to normalize, EQ to nip off frequencies

> >> over 11kHz, and do some other pre-processing first...but you're

> >> right, importing at 44.1k or 22050Hz probably doesn't affect the

> >> output .swf size at all. Sorry for the confusion.

> >>

> >> - HP

> 

> 

> Heather Perkins

> Senior Sound Designer, EGN Content Studios North

> http://www.egreetings.com

> http://www.teleport.com/~hperkins

> 

> Chaos, panic & disorder...

> My work here is done.

> 

> 


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