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beatmapping on timing

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Mentalism1
113 posts
Joined April 2011
Topic Starter
Mentalism1
How can you tell for the approximate timin for the each beatmaps?
blissfulyoshi
osu! Alumni
4,755 posts
Joined July 2008
blissfulyoshi
First, set your universal offset so that it works with the already ranked songs.

If your song only has one timing, use BPM analyzer and it tends to find a fairly decent BPM. Then adjust the offset till it syncs with the music.

Otherwise, start at the beginning of a song and find an offset for one note. Then find a BPM that works until you think the BPM and/or change. afterward, find a new offset and/or BPM for the next section, and repeat the previous steps till you go through the whole song.

If you are having problems with this, you can try testing it by placing a note every whole note and see how your accuracy goes.
Shiirn
2,896 posts
Joined August 2010
Shiirn

blissfulyoshi wrote:

If your song only has one timing, use BPM analyzer and it tends to find a fairly decent BPM. Then adjust the offset till it syncs with the music.
Nononoonononononononononononoonononononoonoonononononononono


no

BPM analyzers suck shit even for single-bpm songs since people have no brains and will directly copy the bpm dot-for-dot into the editor, which isn't how things work. Usually, BPM analyzers will give you a good approximation of the right BPM (i.e. if it shows "132.21" it's likely the bpm is 132) while they also have inner coding issues which make their bpms outright wrong on some songs. For example, 90% of bpm analyzers will halve or otherwise mathematically mess with the bpm (I know for a fact that the by-and-by bpm analyzer coding that 90% of analyzers use will halve bpms over 170 simply due to how it's calculated)



This of course changes if your song is live-timed, in which you should just bend over.
Mentalism1
113 posts
Joined April 2011
Topic Starter
Mentalism1
what is a bpm analyzer and why do you say it sucks?
Selee
1,556 posts
Joined February 2010
Selee

Mentalism1 wrote:

what is a bpm analyzer and why do you say it sucks?
Here:
viewtopic.php?f=10&t=1707&p=11214&hilit=+BPM+analyzer#p11214

It wouldn't give you anything about offset; the BPM is only a approximation.

So..if you have any timing problem, post here with your map's link: other ppl or I would handle it.
blissfulyoshi
osu! Alumni
4,755 posts
Joined July 2008
blissfulyoshi
BPM analyzer: viewtopic.php?f=10&t=1707

As Shiirn said, BPM analyzer has quite a few errors, noticaby adding a subtracting a .1 or .2 from the BPM (BPM are almost always flat numbers and the program does not do that). The other major thing is that the program tends to halve the BPM when you high numbers (above 180 from my experience). If you keep track of these things, it is not too bad because I know that not everyone can time maps, so it is a decent starting point that will tend to make your map mappable if you have a single BPM.

Edit: Got ninjaed by Selee T_T
Ayeen_old
316 posts
Joined October 2010
Ayeen_old

blissfulyoshi wrote:

BPM analyzer: viewtopic.php?f=10&t=1707

The other major thing is that the program tends to halve the BPM when you high numbers (above 180 from my experience)
Not quite true Blissfulyoshi ( it halve the bpm above 170bpm)

Best example is this: DJGenericname Dear You
On BPM analyzer shown 87.06bpm, but the real bpm was 174.11bpm. And that when menotrome sound is use for this matter

And:

BPM analyzer double the bpm when the real bpm goes below 100bpm 80bpm:
Like this example: Yukimiya Hinaki Dear You (Kind)
BPM analyzer show 160.03bpm, while the real bpm is 80bpm
Last edited by Ayeen_old , edited 1 time in total.
blissfulyoshi
osu! Alumni
4,755 posts
Joined July 2008
blissfulyoshi
Thanks for the information Ayeen, I guess I did not play around with BPM analyzer enough.
Shiirn
2,896 posts
Joined August 2010
Shiirn

blissfulyoshi wrote:

Thanks for the information Ayeen, I guess I did not play around with BPM analyzer enough.
The 170 rule works best. Look inside the coding and that's how it'll figure things.
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