I want to make exact sound like Game Boy Advance, or the late 2000s videos on YouTube. But I don’t know how, so any help is welcome.
Audacity version: 3.1.2
You would need to find out how a Gameboy Advance synthesizes the sounds that you want, then reproduce that in Nyquist code.
If you can find out how the Gameboy Advance synthesizes the sounds that you want, in sufficient technical detail, then we can help you with the Nyquist programming part.
Never owned or played with one of those, but I guess it will sound pretty much like many other
8 bit consoles.
There are dedicated “chiptune” trackers/editors available, however if you want to have a go in Audacity,
here is a possible starting point:
(It may not sound exactly like you had in mind, but it will at least give you a start).
Get some clean dialog and apply a ring modulator to it.
A ring modulator is available here: Missing features - Audacity Support
Adjust the settings to suit your requirements.
Then, open the Nyquist prompt and enter the following:
(lowpass8 (quantize *track* 8) 4000)
Now, apply some distortion, you can set the parameters or just apply it as many times as you like:
Add a second track underneath it and add some 8 bit tunes.
(Not required but adds to the overall effect).
Adjust each track’s level to suit.
Select all → Mix and render to new track.
Export at the required bit depth and codec.
If you want to make music sound the same way, try composing some midi tunes, use the simplest
soundfont that you can, then export to wav.
Then apply the same technique as above.
You would need to find out how a Gameboy Advance synthesizes the sounds that you want
Depending on the console type, some just used PWM pulses mixed with noise, whilst others had dedicated
simple sound synthesizers, (SID).
The Commodore 64 is one such example.
A common I.C. back then was the AY-3-8912
There are plugins available (free and paid), that emulate 8 bit tunes such as those from the GB, NES, etc.
However these will not work in Audacity as it has no support for VSTi plugins.