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shibatch eq...
ProtectYaNeck36
post Aug 15 2002, 08:47
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i was wondering if anyone has any eq presets for shibatch that they have compiled of adaptations from audio editing applications (eg sound forge, cool edit) or presets catering to their own needs?
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Pio2001
post Aug 15 2002, 13:04
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Argh !
That transient discussion in the second link makes me sick !

If it wasn't so old, I would have register and answered.

Mirandax is right of course, there are low and high frequencies in transients.
Mike Walker is wrong : a square or sine wave is sound. Example : there are many pure sinewaves used in Kraftwerk-Airwaves and all the Radioactivity album. I don't remember about pure square waves in a CD, but Front242 - Mutilate (from 06:21:03:11 Up Evil CD) or Pete Namlook - Entity2840 must be close to it in their way of cutting the signal. I once used this Namlook sample in r3mix.net in order to show the peak level increasing after a lowpass, because the person pretended that the square wave was not a real-life example.

But they both miss the point : using Shibata's equalizer actually smears transients. That was the original question and it was not answered.

It must have something to do with the size of the window used by the filter to analyze the sound. That's where low frequencies come into play : using too short windows smear transients because the frequencies below the size of the window can't be taken into account, while they are needed to focus the transient.
So transient are smeared because they lack their sub bass components !

Quite funny isn't it ? It must be the lowest highpass audible biggrin.gif. Even if those low frequencies (someone in depht in Lame, can you tell us the size of the block, in ms, needed to accurately encode transients ?) are not audible directly as tones, their absence is audible.
There is nothing uncanny in this. Remove the 2 Hz component in a 120 bpm song, and there is no more rhythm audible smile.gif !
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Posts in this topic
- ProtectYaNeck36   shibatch eq...   Aug 15 2002, 08:47
- - Joe Bloggs   I have one--it's tailored for improving the FR of ...   Aug 15 2002, 10:09
- - Messer   QUOTE Originally posted by Joe Bloggs BTW, have y...   Aug 15 2002, 12:36
- - Pio2001   Argh ! That transient discussion in the second lin...   Aug 15 2002, 13:04
- - Pio2001   Okay, forget my last sentence, it's completely wro...   Aug 15 2002, 13:12
- - KikeG   A cople of comments: - First, I have have had som...   Aug 16 2002, 03:47
- - Joe Bloggs   QUOTE From http://shibatch.sourceforge.net/ An ac...   Aug 16 2002, 07:02
- - Pio2001   QUOTE Originally posted by KikeG Shibatch SuperEQ...   Aug 16 2002, 11:12
- - KikeG   Joe: From SuperEQ included dsp_supereq.txt file:...   Aug 16 2002, 19:53
- - Pio2001   Using a steep cutoff, there is much time smearing,...   Aug 16 2002, 20:26
- - KikeG   I'd say this is due to SoundForge implementation. ...   Aug 16 2002, 20:55
- - Joe Bloggs   I thought you said that pre-ringing is not audible...   Aug 18 2002, 04:58
- - DSPguru   QUOTE Originally posted by Joe Bloggs IIR filters...   Aug 18 2002, 05:36
- - KikeG   QUOTE Originally posted by Joe Bloggs I thought K...   Aug 18 2002, 12:17
- - Joe Bloggs   Um, what's LTI? Hmm... but can't you say that FIR...   Aug 18 2002, 12:52
- - daniel   QUOTE being more insensitive to phase the higher t...   Aug 18 2002, 13:45
- - Joe Bloggs   QUOTE Originally posted by daniel he's right. Hm...   Aug 18 2002, 17:32
- - Gecko   What about analog equpiment? Especially the filter...   Aug 18 2002, 17:54
- - daniel   QUOTE Do they introduce time smearing or have othe...   Aug 18 2002, 20:54
- - Sachankara   QUOTE Originally posted by Gecko [b] ("Frequenzwei...   Aug 18 2002, 21:16
- - Pio2001   QUOTE Originally posted by daniel he's right. Wh...   Aug 18 2002, 21:59
- - KikeG   QUOTE Originally posted by Joe Bloggs Um, what's ...   Aug 19 2002, 00:01
- - gft   Actually, I have the same question as the original...   Aug 19 2002, 06:33
- - Joe Bloggs   to gft: Why don't you just press 'up' 3 times to r...   Aug 19 2002, 07:00
- - daniel   QUOTE To avoid this, one must use bi-amplification...   Aug 19 2002, 13:08
- - KikeG   I just measured some real world cd players pre-rin...   Sep 12 2002, 00:19
- - Joe Bloggs   ... and what would be your estimate of the amount ...   Sep 12 2002, 08:01


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