[neuromusiclab] Need your help choosing tones

[Vidya Rangasayee (வித்யா ரங்கசாயீ)]

Hello Takako

That's a good point. I did think about that. I could bump up the loudness
of the 400 to match it perceptually with the other higher frequency tones.
I hesitate to go to 1000-1500-2400 because I feel it's not spread out
enough to be easily distinguishable. Also 1000 already doesn't feel like a
"Low" tone. I will put those two options up as well. (one with a louder 400
and the other with 1000, 1500, 2400) We'll see how it goes. Wait for an
updated poll.

Thanks
vidya

On Sun, Jan 26, 2020 at 3:38 PM Takako Fujioka <takako at ccrma.stanford.edu>
wrote:

> Hi Vidya and all,
>
> Vidya, thanks - this is a nice mockup to feel the differences.
>
> However, I've noticed that the 400Hz tone is much 'softer' in loudness
> compared to 1000, 2000, or 2400. Well, that's obvious but we didn't really
> think about the loudness curve in our Friday discussion -But the low tone
> is too 'soft', we are running a risk of 'lower arousal' by the cue for the
> low tone, and consequently, causing disadvantage for the 'slow' tempo.
>
> Perhaps 1000, 1500, 2400, could be a good combination? (or anything
> between 1-3k because of the similarity in loudness) then let us know the
> revised test html....
>
> Best,
> Takako
>
>
>
> On 2020-01-26 10:09, Vidya Rangasayee wrote:
>
> Hi Neuromusic team
>
> Thanks for those who attended the meeting on Friday. Based on the feedback
> I have put together a two different sets of tones for high, medium, low.
> Please help me by taking a quick poll on which one you prefer.
> https://web.stanford.edu/~rvidya/tempotap/
>
> Brief Background:
> Trying to setup an experiment to find/classify  the EEG activity during
> imagining a tempo. An auditory cue will be presented to indicate what tempo
> the subject should imagine and eventually tap.
>
> Thanks
> Vidya
>
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