What's the point of doing this?

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_Agu_
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What's the point of doing this?

Post by _Agu_ » Thu Apr 02, 2015 10:55 am

So I recently watched this video about mastering on Youtube:



At 8:07 he says "So, at the moment we have just added some high end, 12k, some 27k!?!?! just for air."

Isn't human hearing range like 20Hz-20 000Hz? How does boosting 27Khz help at anything, since you can't even hear it? I'm a bit confused about this...

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Re: What's the point of doing this?

Post by Samuel_L_Damnson » Thu Apr 02, 2015 11:34 am

it has an effect on what you hear audibly. you just cant hear tones at that level. It literally adds shiny airy quality to the overall mix but too much can make it hard to listen to.
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Re: What's the point of doing this?

Post by NinjaEdit » Sat Apr 04, 2015 11:03 am

Yes, it does indeed affect your perception, which is a criticism of digital formats.

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Re: What's the point of doing this?

Post by Samuel_L_Damnson » Sat Apr 04, 2015 11:21 am

Well its only 44.1 kHz that limits the high end much. For example 96khz wav goes up to around 48khz I think.
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_Agu_
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Re: What's the point of doing this?

Post by _Agu_ » Sat Apr 04, 2015 8:58 pm

Another thing is that I thought it's a common practice to lowpass the whole mix at 20Khz?

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Re: What's the point of doing this?

Post by Samuel_L_Damnson » Sat Apr 04, 2015 9:26 pm

Nah don't do that. High pass at 20 hz makes sense but I wouldn't do that
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Re: What's the point of doing this?

Post by _Agu_ » Sat Apr 04, 2015 11:03 pm

^ I keep this in mind, thanks for advice!

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Re: What's the point of doing this?

Post by hubb » Sun Apr 05, 2015 4:09 pm

Mp3s has a 'lowpass' going on lower than what you guys are talking about btw.

But there's a whole bunch of reasons not to put a lot of extra stuff up in the higher regions not just that they're ½ inaudible up there. It also affects all the other sounds that has a spectrum or register that goes up there. It will mask up or cancel out or weirdly enhance certain parts and it will put more strain on the ears. A poor idea tbh.
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Re: What's the point of doing this?

Post by Samuel_L_Damnson » Sun Apr 05, 2015 4:30 pm

It's common practice for mastering I heard wouldn't actually do it on separate channels.
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Re: What's the point of doing this?

Post by hubb » Sun Apr 05, 2015 8:31 pm

i guess it could be used to trigger the threshold on a comp or limiter doing stuff on the master ?
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Re: What's the point of doing this?

Post by nowaysj » Mon Apr 06, 2015 1:16 am

hubb wrote:Mp3s has a 'lowpass' going on lower than what you guys are talking about btw.

But there's a whole bunch of reasons not to put a lot of extra stuff up in the higher regions not just that they're ½ inaudible up there. It also affects all the other sounds that has a spectrum or register that goes up there. It will mask up or cancel out or weirdly enhance certain parts and it will put more strain on the ears. A poor idea tbh.
Don't listen to a word this man has to say on the high end. :lol: :lol: :lol:


Re the mp3 high cut. Yeah, it just decimates around 1ok. But don't forget that it uses psychoacoustics in deciding how to represent the lost information.
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Re: What's the point of doing this?

Post by nowaysj » Mon Apr 06, 2015 1:22 am

Samuel_L_Damnson wrote:it has an effect on what you hear audibly. you just cant hear tones at that level. It literally adds shiny airy quality to the overall mix but too much can make it hard to listen to.
Didn't watch the vid, and I'm no mastering engineer, but what kind of curve is it up at 27? I'm sure that curve comes down into the audible range. It probably is a way of boosting high end, but not using a shelf that might be band limited around nyquist, I don't know.

If you can hear it, you can hear it.

I've got an orban eq that doesn't have a high or low pass filter, so I have to use bells for those functions, just set a really wide curve, and set the frequency really low, boom you've got a high pass. Gnow what I'm sayin?
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Re: What's the point of doing this?

Post by NinjaEdit » Mon Apr 06, 2015 2:56 am

Samuel_L_Damnson wrote:Well its only 44.1 kHz that limits the high end much. For example 96khz wav goes up to around 48khz I think.
Yeah, it's half.

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Re: What's the point of doing this?

Post by _Agu_ » Mon Apr 06, 2015 9:02 am

nowaysj wrote:
Samuel_L_Damnson wrote:it has an effect on what you hear audibly. you just cant hear tones at that level. It literally adds shiny airy quality to the overall mix but too much can make it hard to listen to.
Didn't watch the vid, and I'm no mastering engineer, but what kind of curve is it up at 27? I'm sure that curve comes down into the audible range. It probably is a way of boosting high end, but not using a shelf that might be band limited around nyquist, I don't know.

If you can hear it, you can hear it.

I've got an orban eq that doesn't have a high or low pass filter, so I have to use bells for those functions, just set a really wide curve, and set the frequency really low, boom you've got a high pass. Gnow what I'm sayin?
I know what you mean, I did the same thing once in a while when I was still on Reason. Makes sense. To some point. I think 27K sounds still pretty crazy.

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Re: What's the point of doing this?

Post by Samuel_L_Damnson » Mon Apr 06, 2015 11:29 am

That summit audio eq has a notched frequency selector and 27 kHz is an option. There has to be a reason.
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Re: What's the point of doing this?

Post by hubb » Mon Apr 06, 2015 1:37 pm

It's almost exactly the double of where it begins to become inaudible.
Don't listen to a word this man has to say on the high end. :lol: :lol: :lol:
Re the mp3 high cut. Yeah, it just decimates around 1ok. But don't forget that it uses psychoacoustics in deciding how to represent the lost information.
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Re: What's the point of doing this?

Post by Samuel_L_Damnson » Mon Apr 06, 2015 2:38 pm

Yea its a good question but I'd just not do any eq over 20k lol
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Re: What's the point of doing this?

Post by hubb » Mon Apr 06, 2015 2:55 pm

I dont EQ at all btw
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Re: What's the point of doing this?

Post by nowaysj » Mon Apr 06, 2015 3:05 pm

hubb wrote:I dont EQ at all btw
nowaysj wrote:
hubb wrote:Mp3s has a 'lowpass' going on lower than what you guys are talking about btw.

But there's a whole bunch of reasons not to put a lot of extra stuff up in the higher regions not just that they're ½ inaudible up there. It also affects all the other sounds that has a spectrum or register that goes up there. It will mask up or cancel out or weirdly enhance certain parts and it will put more strain on the ears. A poor idea tbh.
Don't listen to a word this man has to say on the high end. :lol: :lol: :lol:
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Re: What's the point of doing this?

Post by hubb » Mon Apr 06, 2015 3:11 pm

not going to impart any infidel freqs on my stew of realness
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