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Post by JohnH on Sept 22, 2017 14:44:12 GMT -5
So I was now thinking which "moment" of the strum the plots are representing...hope this is clear enough, please excuse me for my language. In the case of my sample above on this thread, the plots are done across the sample of a few seconds (the .wav file is there to hear as well), so it picks up and averages out the results of transients and harmonics of the strumming. My calculated plots know nothing about transients, and use the combination of the first 30 harmonics of the string vibrations. So if the highest string is tuned at 330hz, there are no harmonic numbers above 10khz
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foxmilder
Apprentice Shielder
Posts: 27
Likes: 7
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Post by foxmilder on Dec 28, 2023 4:13:32 GMT -5
I considered starting a new thread for this, but I've always found it more useful to have as much information as possible about a given topic in the same thread — it's much more user-friendly for people who arrive here via Google. A company called Blue Cat Audio make a plugin called Re-Guitar: a "pickup simulator" for DI guitar, including emulations of both hollow-body electric guitars and steel-string acoustic guitars. Here's a screenshot, from their website, of the user interface: I got this plugin at a steeply discounted price a while ago, but I haven't had much time to play around with it. If anybody wants to hear how it sounds, I can easily run a DI guitar recording through it for you.
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Post by antigua on Dec 29, 2023 0:37:25 GMT -5
I considered starting a new thread for this, but I've always found it more useful to have as much information as possible about a given topic in the same thread — it's much more user-friendly for people who arrive here via Google. A company called Blue Cat Audio make a plugin called Re-Guitar: a "pickup simulator" for DI guitar, including emulations of both hollow-body electric guitars and steel-string acoustic guitars. Here's a screenshot, from their website, of the user interface: ... I got this plugin at a steeply discounted price a while ago, but I haven't had much time to play around with it. If anybody wants to hear how it sounds, I can easily run a DI guitar recording through it for you. That's interesting. The difference between single coils and humbuckers, and even acoustic guitar, seems to be accomplished with relatively simple EQ, and it's possible to approximate different pickup positions with more complex comb filtering profiles. it's actually possible to make a bridge pickup sound a lot like a neck pickup with a Varitone style inductor/cap RLC filter, and I'm surprised that's not more common with single pickup guitars. I'm not sure what technique they use, but I'd guess plugins are still mostly keeping it simple, but the new audio AI processing will probably blow the lid off digital processing in the next few years.
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foxmilder
Apprentice Shielder
Posts: 27
Likes: 7
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Post by foxmilder on Dec 29, 2023 21:29:47 GMT -5
Ordinarily, I’d assume a plug-in of this sort is using impulse responses. In addition to this plugin, I have a collection of acoustic guitar IRs that can do extremely convincing electric-to-acoustic processing.
There are already automated EQ-matching plugins on the market. I haven’t seen any marketed specifically for guitar, but I have yet another collection of files I use for this purpose: isolated multi-tracks from various pop songs.
A lot of the stuff I record is clean funk/disco playing; the sounds I’m trying to emulate are often obtained with a DI straight into the console. I have a lot of isolated guitar tracks from songs Nile Rodgers played on, which I use as references for EQ-matching.
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foxmilder
Apprentice Shielder
Posts: 27
Likes: 7
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Post by foxmilder on Jan 9, 2024 10:13:36 GMT -5
Here, incidentally, is an example of a guitar equipped with an active EQ circuit intended to simulate a neck pickup.
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Post by ms on Jan 9, 2024 16:08:51 GMT -5
Here, incidentally, is an example of a guitar equipped with an active EQ circuit intended to simulate a neck pickup. But you cannot do that with a single EQ circuit. The location of a pickup determines the relative intensities of the string harmonics. But the actual frequencies are different for each string (because the harmonics are the same). Therefore each string would have to have its own pickup and equalizer.
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Post by antigua on Jan 9, 2024 17:30:37 GMT -5
Here, incidentally, is an example of a guitar equipped with an active EQ circuit intended to simulate a neck pickup. But you cannot do that with a single EQ circuit. The location of a pickup determines the relative intensities of the string harmonics. But the actual frequencies are different for each string (because the harmonics are the same). Therefore each string would have to have its own pickup and equalizer. Technically this is true, we're talking about a difference in harmonic timbre versus amplitude by frequency, but I think if you cut out a portion of the frequency out, you get a result that is sonically similar to the altered timbre, I think because the neck pickup timbre is defined by particular harmonics being greatly reduced, and with the EQ you are taking away amplitude that roughly overlaps with the missing harmonics of the neck pickup. The reason I'm as confident about this as I am is because I made my own Veritone control, and chose my own cap values, and notices some cap values did make the bridge seem a lot closer in sound the the neck or middle pickup, depending on the value of the cap. The bridge pickup has relatively even harmonic amplitudes compared to the neck and the middle, so it can serve as a good base signal to be reduced into other timbres. With active EQ, the RLC filtering would be a lot more robust than what a Veritone control can do.
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Post by ms on Jan 10, 2024 5:47:23 GMT -5
But you cannot do that with a single EQ circuit. The location of a pickup determines the relative intensities of the string harmonics. But the actual frequencies are different for each string (because the harmonics are the same). Therefore each string would have to have its own pickup and equalizer. Technically this is true, we're talking about a difference in harmonic timbre versus amplitude by frequency, but I think if you cut out a portion of the frequency out, you get a result that is sonically similar to the altered timbre, I think because the neck pickup timbre is defined by particular harmonics being greatly reduced, and with the EQ you are taking away amplitude that roughly overlaps with the missing harmonics of the neck pickup. The reason I'm as confident about this as I am is because I made my own Veritone control, and chose my own cap values, and notices some cap values did make the bridge seem a lot closer in sound the the neck or middle pickup, depending on the value of the cap. The bridge pickup has relatively even harmonic amplitudes compared to the neck and the middle, so it can serve as a good base signal to be reduced into other timbres. With active EQ, the RLC filtering would be a lot more robust than what a Veritone control can do. Yes, for example, a general property of sensing at the bridge pickup position is that the fundamental and lower harmonics are relatively reduced in level. So if you EQ to raise the bass on a bridge pickup signal, it will sound more like a neck. On the other hand, a specific property of the sound of a neck pickup with an open string is that the fourth harmonic has greatly reduced strength relative to other harmonics. The frequency of this varies so much from string to string that you cannot do a good job of simulating this with EQ from a bridge pickup signal. EQ is good for making one pickup sound like another in the same position, but not as good for different positions.
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nienturi
Rookie Solder Flinger
Tone Journey
Posts: 12
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Post by nienturi on Jan 24, 2024 1:12:05 GMT -5
Great topic. I just like to drop a guitar with pickup or guitar simulator made by GTRS Guitars along with Mooer. It's an affordable fuitar actually and has a built in processor within.
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