extract/export audioclips

Ivers, Doug E Doug_Ivers at lord.com
Wed Dec 31 09:03:08 EST 2003


What are my options for extracting audioclips from an old HyperCard stack into separate .wav files?  (I'm working on a Mac.)

I tried using the old "SoundApp" utility, but it was only able to extract 9 out of the 120 snds.  This was the error:  An unexpected error (ID=-38, File Manager - file not open - fnOpnErr) has occurred.


D
douglas.ivers at highstream.net


> -----Original Message-----
> From: Richard Gaskin [mailto:ambassador at fourthworld.com]
> Sent: Thursday, October 09, 2003 2:27 AM
> To: Rev Discussion List
> Subject: Re: Multiple active players
> 
> 
> Dar Scott wrote:
> 
> > I've been looking at audio.  I see from the documentation 
> that only one
> > audioClip can be playing at a time.
> > 
> > Do players have this limitation?
> 
> No such hard limit.  In the cloister in Brian Thomas' "If 
> Monks Had Macs" CD
> we have three audio players running sometimes simultaneously 
> to provide bird
> sounds and a waterfall sound.  The waterfall is constant, but 
> the birds are
> intermittent, with a semi-random algorithm that keeps them 
> varied while
> avoided moments where they might all sound off at once.  And 
> on top of those
> is a QT video of a rotating bookcase.
> 
> While the limit is not hard and fast, remember that QT is an 
> event loop hog;
> the more players running simultaneously the less CPU time is 
> available to
> other processes, like the enngine's event loop.
> 
> > Will setting the startTime buffer and
> > queue the player?
> 
> Not sure what you mean by buffer in this context, but it will 
> queue to the
> specified point if you have the playSelection set to true.  
> In HyperRESEARCH
> the QT playback is all about letting the user save and pay 
> back specified
> selections of time-based media (both audio and video).  Setting the
> startTime and EndTime work great on Mac and win both, with 
> only one caveat:
> a bug was introduced in Rev 2.1 in which if you select a 
> segment manually by
> shift-clicking from right to left, the startTime and endTime 
> reflect the
> order of the user action rather than the logical start and 
> end; i.e., they
> two values will be reversed.  That's easy enough to work 
> around, and in all
> other respects everything I've done with player selection has 
> been working
> great since Rev 2.0.
> 
> 
> > Is there a way to get the current time of a playing
> > player?
> 
>   get the currentTime of player 1
> 
> -- 
>  Richard Gaskin 
>  Fourth World Media Corporation
>  Developer of WebMerge: Publish any database on any Web site
>  ___________________________________________________________
>  Ambassador at FourthWorld.com       http://www.FourthWorld.com
>  Tel: 323-225-3717                       AIM: FourthWorldInc
> 
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