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Hey Folks,

I’ve been searching the forums 😮 for random pan-able example events for 2D but cannot seem to find this feature anywhere. I’m creating a city ambience with 2 events:
1) short loop – stereo file
2) multi even with random urban sounds (rather short, mono files)

I’ve read up on the fmod tutorials with the 3D events and the Bird tutorial [again all 3D], but I don’t see anywhere how to implement a random 2D stereo panner.
Maybe there’s a way to change the parms inside a 3D event to limit the panning arc, but it’s not immediately obvious.

Below is an image for how to accomplish this in Xact, just to give you an idea.

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I would suggest making the event 3d, and making it ‘head relative’.
You then go into sound definition settings and choose the min/max 3d position randomization feature.

That might do what you want.

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Hi Brett,

From reading the user manual and playing around with the values, it seems all these settings are designed for emitter like behaviour (birds in a tree, burning barrel, etc). I’m not able to achieve this panning. :(

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YannEA, could you possibly go into more detail about what specific aspect of the random panning behavior provided by Brett’s solution isn’t desirable in your situation?

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Ah, you want to exclude the center speaker. Well, it’s a little cumbersome, but have you considered using a Speaker Level effect? You could set up the automation in such a way as to represent a smooth transition between a pair of speakers, and then just feed the event the appropriate parameter value when you trigger it. You’d have to generate random numbers for the parameter in your game’s code, but that’s generally not a huge burden.

A Pan effect would be even simpler to use, but is more limited in what it can do.

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Thanks for the suggestion Joseph.

Can you describe the process to achieve any of the items 1-3?
If i understand your explanation correctly, fmod’s not capable of doing this using designer alone (I’d prefer to accomplish this ,or something [i:1uj3xq81]close to it[/i:1uj3xq81], without programmer or coding support).

Best Regards,

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Hi Joseph,

Did you have a look at the above diagram? It shows how random panning is set in XACT. Look at the 360 pan buttons and dials specifically.
By excluding the center channel button in XACT, I can avoid clogging up dialogue or other SFX.

I’m trying to achieve Panning behaviors that set a random pan arc that places a mono file anywhere inside the specified arc:

1) Left to Right – anywhere in the on field from the left to the right speaker, nothing coming out of the rears.If I used degrees to specify this (see attachment) then it would pan according to; -30 to -5, (Nothing audible between -5 to +5) and +5 to +30

2) Ls to Rs – similar to 1, bou sound only emitted in the rear

Note these are not associated with a volume or a real in game area

3) same as 1) but with out anything in the center channel. If I used degrees to specify this (see attachment) then it would pan according to; -30 to -5, (Nothing audible between -5 to +5) and +5 to +30

Hopefully that a better description of what I’m going for.

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