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FamiTracker
An interesting concept (& well presented, I must say).
Now, I wonder about the audio quality of any NES-generated (or FamiTracker-generated) sound that's distorted with a Talk Box... Would it be possible to get good audio quality when distorting NES audio with a Talk Box? I mean; how good would you expect NES-generated audio to sound after passing it through a Talk Box & pulling a Frampton?
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Technology: the one thing that's hated & cursed at by all engineers, technologists, scientists & technicians!
I'm impressed by mootbooxle myself (especially with his wealth of knowledge on the physics of sound).
Anyways, I really do hope that it can work well on square waves (I mean; I know it works good on sine, triangle & sawtooth waves, which makes it great for the 2A03 triangle, VRC6 sawtooth & FDS sine/triangle/sawtooth). I'm just worried about how well it would work on a square wave, especially since they behave the same as a sine wave would when passed through a saturated amplifier.
I'm actually getting involved with one of my buddies who does video/audio recording for special occasions (he normally films weddings, prom nights & talent shows). He wants to set up a promo concert & we already discussed my doing some live tracking with a MIDI keyboard & a Ghetto Talk Box (one that he'll make out of an old megaphone's horn driver & some vinyl tubing). Since he intends to record live music onto Vegas Pro using his analog audio mixer as an intermediate, I'm a bit worried about quality.
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Technology: the one thing that's hated & cursed at by all engineers, technologists, scientists & technicians!
12.5% square would work nicely in mid to lower octaves
edit: or better yet, you could plan out which notes will be sung and track what you feel would most closely resemble the width of your throat via vrc6 duties. Anything at or close to 50% would simulate your vocal chords working inside a wider throat, best for lower notes and anything further away from 50% would be for a more tightened throat for nigher or even nasely notes. Make sure to keep the notes within a realistic human range, it'll sound great I think.
Ha, thanks guys.
I actually considered doing some 2A03 (or VRC6) talkbox parts on my "wildchip" entry over at [url=http://battleofthebits.org/arena/Entry/CHIPIPHANY/6337/]Battle of the Bits but decided it would've been overkill.
Sawtooth waves are traditionally what's used with talkbox, as they are the richest in upper harmonics, and quite close to the sound of the human larynx, which is what pioneers like Roger Troutman were seeking to imitate.
As gyms pointed out, a narrow duty-cycle pulse wave would also do pretty well, if you're trying to stick with 2A03 only.
The idea is to use the most harmonic-rich sound source possible. A sine by itself actually wouldn't work well, because the effect of putting a lowpass filter (more or less what the vocal cavity acts as, in this case) on a sine wave, which is purely fundamental with no overtones only reduces its amplitude, as there is no upper harmonic content to filter out. The same would pretty much be true with a triangle, although the NES triangle is a whole nother animal.
When I get back home next week, I'll do some experiments and post the audio results here.
Yeah, that's what I was basically thinking...more harmonic information, the better. Though I assume (??) amp distortion would add harmonics to more pure waves like sine and non-NES triangle.
Might be worth it to experiment with combining two pulse widths, or to use a non-NES square wave with more finely adjusted pulse width.
I actually didn't realize about how poorly a sine wave would work after thinking about the waves produced by the larynx (I always thought that the human voice would also produce an extreme amount of harmonics & would just combine with the sine wave's number of harmonics).
As for amps, not all of them have distortion (especially solid-state transistor amps due to the number of filter capacitors that are in use).
But the narrower pulse-width square waves just might work, considering that they'd be equivalent to a high-amplitude sawtooth wave passing through a heavily saturated amplifier.
gyms: I was considering planning out to use the VRC6 sawtooth while having all other channels as accompaniment.
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Technology: the one thing that's hated & cursed at by all engineers, technologists, scientists & technicians!
Yes; it's for both a live performance (which my buddy still needs to set a date for) & for test purposes. Because my buddy's got a small business as a filmographer, he wants to expand to other areas (including audio recording/mixing & advertising). So, he spoke with a committee of city reps to start a busker-fest promo concert sometime in the future (where random bands & performers can sign up, jam & promote their music). His intention is to have it set up so that he could not only blast their music out of the stage's amps, but also so that he could grab the audio straight from the sound system to his audio mixer & combine the output in Vegas Pro; if he succeeds, he can then sell the music on compilation disks & make some money for both the performers & himself.
This aside, he's also an electric bass player (like me) & is interested in making a Ghetto Talk Box. :P
The intended method is to use both the computer's audio output & the Talk Box singing as input for a 2-way audio mixer, which will then be combined into one WAV stream & passed to Vegas Pro's time line.
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Technology: the one thing that's hated & cursed at by all engineers, technologists, scientists & technicians!
