Interesting.
I'm going with Rune on this. I hear modulation of Amplitude (which sounds 
right) but the buzz Frequency seems constant to my ear.
Both  versions work on my XP box with WMP.
DLM


"Greg M. Johnson" <gregj;-)565### [at] aolcom> wrote in message 
news:423645c4@news.povray.org...
> Here's a version where I tripled the frequency spread due to doppler.
>
> The formula goes something like:   old_frequency +300*vdot(velocity, 
> particle_position - hearers_position)
>
> So with this actor travelling in a circle, there is no net doppler at the 
> point of being furthest away.
>
>
>
> "Rune" <run### [at] runevisioncom> wrote in message 
> news:42345e45$1@news.povray.org...
>> Greg M. Johnson wrote:
>>> Got a doppler shift as well as stereo effects based on events taking
>>> place in SDL.
>>
>> I don't know if it's just me, but while I can vaguely hear the
>> stereo-effect, I can't hear any Doppler shift. The engine sounds like 
>> it's
>> at the same pitch throughout the entire clip.
>>
>> I just wanted to let you know. I thought that maybe perhaps you have
>> attached by mistake an earlier version of the clip. Or maybe it really is
>> just me.
>>
>> Best regards,
>>
>> Rune
>> -- 
>> 3D images and anims, include files, tutorials and more:
>> rune|vision:  http://runevision.com
>> POV-Ray Ring: http://webring.povray.co.uk
>>
>>
>
>
>

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