Sound Formats for submitting to withoutabox

I made a short film and edited through FCPX and am submitting to film festivals through "withoutabox" online.
I am not sure what to put for certain sound formats that they ask.
First, they ask, Mono or Stereo? Not sure which to choose.
And second they ask this:
Any help would be greatly appreciated. Thank you

rabcor wrote:So you're saying 24 bit has 3x the latency of 32 bit? But 32 bit really is the best right?
No, I meant that if I had to implement 24 bit resolution support for the hardware codec/controller/dsp that already supports 32 bit resolution, I would go for the trade off of 3 times the latency, compared to 32 bit for the sake of simple implementation (I assume some hardware restrictions here, simply filling 24 bit data to 32 bit with zeros would be easier). That however is a comparison of latency (strict delay in this case) between the data being send and processed, so the actual latency difference in audio might not exist at all. This remark has nothing to do with alsa whatsoever.
"The best" is not empirical. What is your setup? Do you know what mass inertia is? Quality is a difficult topic and one has to consider the whole signal path/chain: beginning from the source, through all connections and amplifiers, ending with speakers or headphones. Is 32 bit better then 24 bit? That depends on the circumstances (like emi, elements along the signal path that alter the signal etc.). If you only take resolution in consideration, then yes, since it is more precise representation of the original signal.
Last edited by emeres (2014-07-12 16:01:20)

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