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Topic: Need help converting ogg files (Read 2937 times) previous topic - next topic
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Need help converting ogg files

Right, here's the problem...

I run fighting game tourneys in the UK, and at an upcoming tourney I'm planning on introuducing much of the scene who haven't seen it before to Guilty Gear X2 #Reload (bloody European release dates - the Japanese have had reload for 2 years already!).

Anyway, you may be wondering why this is relevant.
There are 3 versions of the soundtrack - default OST, Korean OST, and a specially-made vocal OST.
Now, to give demonstration games more impact, we want to replace the default OST with the Vocal OST in the PC version.

However, we have a probem. The default OST is kept in-game as .ogg files, while the Vocal OST copy I have is MP3.
I've been able to use ACE-HIGH MP3 WAV WMV OGG Converter to convert the vocal OST to .ogg, and they play fine, with no sound quality loss than I can define.
However, they are MUCH larger than the in-game OST files, and when replaced, they play but at a MUCH slower pace.

I've been told this is to do with bitrates, and so I tried altering them. Using the above program I've been able to shrink the files a tad and they play a bit faster, but are still pretty unusable, even though they're fine when just played through WMP10. However, trying to set the bitrate even lower results in the program telling me the ogg setting is disallowed, and I have to change it.

So, a mate directed me to Foobar2000. Now, using this I've been able to at least see the properties and file info about the existing files, but I don't seem to be able to alter the bitrates appropriately anywhere in the program (I have the Special download version).

If anyone can help me, I'll be very grateful.

I've looked into the FAQs, but they mean little to me, as I'm horribly outta my depth.

I'm running WXP, if that means anything.

Need help converting ogg files

Reply #1 –
Hi and welcome to HA.org!
(Fourth time this day. )

I don't no much about OGG Vorbis and audio-technology but if you would lower bitrates
you don't make them playing slower in games or even in foobar.

I think the decoder in the game is totally broken. (That's no good information for you but it's just my idea.)

Please give us more information. What bitrate do you need? (I.e. what bitrate is the "default OST")

You could try to right click the file within fooabr2000
then mouse-over to conversion
after this you click on run conversion
and select WAC (PCM, fixed point)
select your desired folder.

When you're finished you can get the .wav-file put it into foobar2000
and make the same as above but with OGG Vorbis settings:

You could try to right click the file within fooabr2000
then mouse-over to conversion
after this you click on run conversion
and select Ogg Vorbis : -q 5.00
select your desired folder.

Then you would have a file with a bitrate ~160kbs
Quote
To get an idea of the average bitrate for each quality level:

1.1:

q -1 = 45 kbps
q 0 = 64 kbps
q 1 = 80 kbps
q 2 = 96 kbps
q 3 = 112 kbps
q 4 = 128 kbps
q 5 = 160 kbps
q 6 = 192 kbps
q 7 = 224 kbps


(I hope I helped you.)
/edited: spelling etc.
portable: 128 kbps cbr AAC
local: -7 FLAC

Need help converting ogg files

Reply #2 –
Most probably, the default OST is sampled at 22.05KHz or less ( Games used to put .ogg's at this frequency rather than  44.1Khz ).

If the player (not the decoder) is ignoring the sample rate, this means that the decoded files will play slower, as you describe.

Need help converting ogg files

Reply #3 –
Ah. Now I can help you.
This site contains the programs you'll need.
You'll find a program called "OggDrop".
I'd recommend "oggdropXPd V.1.7.11 using libVorbis v1.1.0  2004-09-24"
Then select your CPU. If you don't know it al all select "generic" and download it.

If you downloaded it correctly unzip it and run oggdropXPd.exe[/i]
Right click the fish and select encoding options[/i]

Then you can select what resampling rate you need.
Tick the last box and scroll down. Select the the resampling rate you need.

The first option is very essential. For your purposes you should take 4,00. That's around 128kbps.

Now you can take the MP3-File and drag it on the fish.
You now have the thing you need I'll expect.
portable: 128 kbps cbr AAC
local: -7 FLAC