ios - Distance Attenuation with OpenAL on iPhone/iPod -

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after messing around distance attenuation in openal, i've come strange results. i've tried different distance models , different values options on sources. it's same, no volume falloff, , panning full left or full right. also, on headphones, device speaker plays left channel (which either full or nothing). using mono sounds, it's not stereo problem.

why isn't panning , volume falloff working properly? common problem on iphone? there's not out there it, , i've read whole openal documentation. also, how force device speaker play both channels (as mono source) instead of one?


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