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Updated --dm-preset switches (Was: "New very hard to encode
HomeK
post Oct 15 2001, 08:37
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And so do I!
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Dibrom
post Oct 15 2001, 12:35
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Argh.. well it looks like there is going to need to be a little bit more tuning before I release this after all rolleyes.gif

Everything is working great, but a few samples are causing rather large bitrate increases (not related to transients or pulses or any of that), so I'm trying to get that back under control first. I think a release is imminent, but not quite yet. I'll post again once it is under control (which I hope should be "very soon now" smile.gif)
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stoff
post Oct 20 2001, 11:14
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Hi Dibrom...

Any progress? I'm sorry for being impatient here, but the tweaks just sounds so darn interesting! :listening

Regards, stoff
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RD
post Oct 20 2001, 17:10
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I know how you feel Stoff, because I just got the Rockford Fosgate RFX9000 car mp3 player and it rocks!!...highly recommended...so I cannot wait to use Dibrom's special compile to **finally** store my 500 cds onto mp3-cds.

So far --dm-preset-standard -Z sounds awesome in the car, but I've waited this long, so I'm waiting for the "special compile".

Btw, thanks again for all your hardwork Dibrom...

RD
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Dibrom
post Oct 20 2001, 17:44
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QUOTE
Originally posted by stoff
Any progress? I'm sorry for being impatient here, but the tweaks just sounds so darn interesting! :listening 


Yes, well sorta smile.gif I've been trying these modifications a couple different ways so far and each time, I find a way to where I think it will work just a little bit better. Right now I think I've come to what might be the best implementation I've thought up yet, but I'm still working on putting it all together. What I've decided is that if I can't get some of this working in a short period of time, I'll probably just put out some sort of interim release to keep people occupied in the meantime smile.gif

I'm going to try hard to finish this stuff up this weekend..
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kjempen
post Nov 7 2001, 15:44
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Hmmm... Taking a look at your new presets Dibrom, I'm wondering what the difference between --dm-preset insane & --dm-preset cbr 320 is? I tested these presets with a sample (the intro from the album "Schizophrenia" by Sepultura), and this is what EncSpot 1.0 came up with upon looking at the details of the MP3s:

Sepultura - 01 - Intro (CBR 320).mp3
------------------------------------

Bitrates:
----------------------------------------------------
320 |||||||||||||||||||||||||||||||||||||||| 100.0%
----------------------------------------------------

Type : mpeg 1 layer III
Bitrate : 320
Mode : joint stereo
Frequency : 44100 Hz
Frames : 1228
Length : 00:00:32
Max Reservoir : 396
Emphasis : none
Scalefac : 17%
Complete : yes
Encoder : Lame 3.90

--[ EncSpot 1.0 ]--[ http://www.guerillasoft.com ]--


Sepultura - 01 - Intro (Insane).mp3
-----------------------------------

Bitrates:
----------------------------------------------------
320 |||||||||||||||||||||||||||||||||||||||| 100.0%
----------------------------------------------------

Type : mpeg 1 layer III
Bitrate : 320
Mode : joint stereo
Frequency : 44100 Hz
Frames : 1228
Length : 00:00:32
Max Reservoir : 396
Emphasis : none
Scalefac : 36%
Complete : yes
Encoder : Lame 3.90

--[ EncSpot 1.0 ]--[ http://www.guerillasoft.com ]--

Is the only difference between these two presets a higher scale factor?

I know I can find out what switches these presets actually consist of at the CVS of LAME <http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/lame/ >, but I can't figure out the system there. I guess I'm stupid or something. =)
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Dibrom
post Nov 7 2001, 19:47
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QUOTE
Originally posted by kjempen
Is the only difference between these two presets a higher scale factor? 


This would appear to be the case. I suspect one is using noise shaping type 1 and the other type 2. I'll look into this. They should be identical otherwise..
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