[noname219]

Originally Posted by TC_Halogen

The length of Jamais Vu is listed as 4:15, but the frame of the last step of Jamais Vu is 4424, making the length 2:27 (4424 / 30 = 147.46 sec).

EDIT: considering the nature of how this file was converted, there likely are a number of others that are incorrectly labeled.

I started calculating the length of each songs by hand yesterday (from the moment the song start to the very last note). Figures might be off by 1 or 2 seconds so I didn't mark songs that were wrong by 2 seconds or less :

00.01 : 1:26 -> ~1:23 (-3)
136.6 : 2:55 (ok)
300 : 2:29 -> 2:21 (-8)
2008 : 2:22 -> 2:25 (+3)
3020 : 3:06 -> 3:01 (-5)
20031023 : 2:20 (ok)
*Twinklesky* : 2:05 (ok)
.357 Magnum : 2:09 (ok)
{A Change of Seasons} : 3:39 -> 2:48 (-51)
{Adrenaline Pumper} : 2:22 -> 2:10 (-12)
{Arabian Assassin} : 1:12 -> 1:17 (+5)
{Big Boss} : 1:24 (ok)
{Blaze} : 3:18 -> 2:53 (-25)
{Colossus} : 3:37 -> 3:40 (+3)
{Evolution} Out Stage : 1:32 (ok)
{Firestorm} : 2:38 -> 2:28 (-10)
{Frozen} : 2:46 (ok)
{I Don't Need You Anymore} : 5:05 -> 5:02 (-3)
{Lazy Summer Days} : 1:15 -> 1:26 (+11)
{Losing Touch} : 2:32 -> 2:29 (-3)
{Lost Memories} : 1:47 -> 1:29 (-18)
{Midnight} : 1:55 (ok)
{Paranorma} : 2:35 -> 2:32 (-3)
{Red Alert} : 1:14 (ok)
{Rose} : 2:27 (ok)
{Satori} : 2:46 -> 2:38 (-8)
{Satori} v2 : 2:46 -> 2:38 (-8)
{Sunlight} : 3:57 (ok)
~Absolute Zero~ : 2:18 (ok)
=.The Ocean.= : 2:00 (ok)
==Planet KARMA== : 6:24 (ok)
0 (piano version) : 2:01 (ok)
100 Bar Blackout : 3:42 (ok)
101 Kittens : 3:48 (ok)
11ELEVEN : 2:01 (ok)
12 Bar Bloops : 3:36 -> 3:39 (+3)
13th, Friday : 4:29 (ok)
16bitFruit : 1:41 (ok)
300 This is Sparta EXTENDED Mix : 2:15 -> 2:09 (-6)
4 Chord Touhou : 2:44 (ok)
404th of July : 1:00 (ok)
4F73R M3 (FFR Edit) : 3:09 -> 3:00 (-9)
5 Black Skulls : 2:24 (ok)
5.1.1. (AG Supercool Mix) : 1:45 -> 1:38 (-7)
600 AD in Piano : 3:00 -> 2:56 (-4)
8-Bit Day Dreamer : 1:29 -> 1:25 (-4)
A : 1:46 (ok)
A Beautiful Storm : 2:12 -> 2:15 (+3)
A Christmas Carol : 1:43 (ok)
A Correspondances Illumitees : 1:10 -> 1:14 (+4)
A FLOWER GARDEN : 2:02 -> 1:57 (-5)
A Kidney Stone : 2:09 (ok)
A Quick Death : 2:29 (ok)
A World of Piano : 3:37 (ok)

26 out of 54 have a 3 seconds difference or more. That's nearly 50%.
If there's a faster way a mod/admin can do this (by calculating the number of frames), that would be great.