Apple

On Mon, Dec 6, 2010 at 11:02 AM, Wil Macaulay <email@hidden> wrote:

out of curiosity, have you tried using alSourcePlayv to play multiple sources at once instead of alSourcePlay to play them individually?

On Mon, Dec 6, 2010 at 10:30 AM, Pi <email@hidden> wrote:

I wonder which OpenAL does? does anyone know? I have a feeling it goes the whole hog... the results are very good

the other approach I am looking at is to construct a sound bank from scratch. I've started coding this up, and I've got an algorithm that transposes properly from dspDimension. But it's still a fair amount of work, so that's why I'm still investigating whether it's possible to patch & hack what I already have in OpenAL...

On 6 December 2010 22:07, tahome izwah <email@hidden> wrote:

2010/12/6 Pi <email@hidden>:
>

> I have been told that this approach sucks badly. like if you simply
> transpose a singing voice up an octave, it sounds like a chipmunk...

Yes... but pitch shifting is no different, unless you use one of the
many pitch shifting algorithms that offer formant corrected pitch
shifting... which may be expensive in terms of CPU power (especially
when dealing with polyphonic music).

--th

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References:
	>Catching output from OpenAL (From: Pi <email@hidden>)
	>Re: Catching output from OpenAL (From: Paul Davis <email@hidden>)
	>Re: Catching output from OpenAL (From: Pi <email@hidden>)
	>Re: Catching output from OpenAL (From: tahome izwah <email@hidden>)
	>Re: Catching output from OpenAL (From: Pi <email@hidden>)
	>Re: Catching output from OpenAL (From: Wil Macaulay <email@hidden>)