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From: "Chaos" <rothko.fan@gmail.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: There is a &#8220;testsound.wav&#8221; test sound signal.
Date: Fri, 10 Apr 2009 12:08:01 +0000 (UTC)
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"Dave Robinson" <dave.robinson@somewhere.biz> wrote in message <grnag1$3mh$1@fred.mathworks.com>...
> "smile john" <smile@yahoo.com> wrote in message <grmngp$ei6$1@fred.mathworks.com>...
> > There is a &#8220;testsound.wav&#8221; test sound signal.  Read the sound in using wavread and make the same lengt time vector and you can plot the signal.  Use sound to hear it. 
> > 
> > You should analyze which sound components are included and after that you should build a band pass filter to pick up only the middle frequency sound.  (FFT)
> > 
> > You should build a FIR filter using a Window method.  Select the best window type and analyze the differencies. Pass band ripple may be at max -3 db and the minimum attenuation in stop band should be at least -40 db.
> > 
> > You can use Matlab fdatool to help building the filter.
> 
> First of all there isn't a testsound.wav test sound signal
> 
> Second, how dare you tell me that I SHOULD analyse this non existing sound file, and build filters. I have much better things to do with my time.
> 
> This site is NOT a homework completion service, and never has been. If you have a Matlab technical problem, often someone will help you out. But as sure as hell I for one am not going to waste my time doing your homework, while you sit on your backside playing with your - what do you call it - ah games console will do.
> 
>  Dave Robinson

C'mon Dave get with the times, maybe he's a fan Guitar Hero.