Thanks that was inspirational and great, though I would say it would have been nice to have a mounting hole or two, maybe I can drill through the copper on the output side and near your name? And I'm interested in how to programming the thing, for me I'd rather some kind of performance device than midi playback, I've got a TX7 and it's such a pain to edit patches, and i don't want to be looking at a computer in my free time - but i know there's a load of controls, so a lot of money for knobs there, maybe a touch/screen combo would reduce the BOM a bit hmm.
Thank you for the kind comment! For this board the idea was to have it mounted on a pin header, but I don't see any problems with drilling next to my name. In the rightmost bottom corner you have 12.5x12.5mm free, and in the rightmost top corner you have 7.5x7.5mm free. In the leftmost bottom corner above the pins you also have mostly empty space, just be mindful of the ground connection. If you cut that, a bodge wire can easily fix it. There isn't much going on down there too. Electronically, having a microcontroller and controlling it with MIDI is the simplest way, however handling the voice assignment for polyphony is slightly challenging. In my opinion, my YM3812 project turned out to have a very elegant interface so you could check that out. It had four potentiometers and two buttons to select which set of features those potentiometers controlled. Only when turning them did a setting change, which meant that I could control all the deep parameters of an FM synth through just four potentiometers. However, the YM3812 had half the operators of the YM2612, so I agree with your judgment that ideally, a touchscreen combo would do the job. I think that a cheap 7-inch display with touch (~30$ from China) can replace every single potentiometer and most of the control surface, but then the issue becomes one of scope creep for me personally hahahaha. Striking the balance between an analog-like interface and going fully digital might be difficult, as adding an advanced microcontroller just raises the question of... why not just emulate the thing? An ARM is fast enough to do so, and a tiny FPGA too. Honestly, for my DX7 I just use the E-Piano preset. I love the E-Piano, so I've never thought about trying to change it. I burned the MIDI IN port on my DX7, so I don't really have a choice.
@@ackfee6086 ha, yes, you're right, I could just use the pin headers. In regard to the interface, I have a Tx7 (the Dx7 expander module, so a Dx7 without a piano keyboard attached)... the bar was set low when they made the user interface to create a patch with the original synth - and I also haven't plugged it into a computer for about 10 years... so still have the same 32 patches from that day, sigh the EP is great!
The fourier transformation will give you sine waves that when added together via additive synthesis create the complex wave forms you describe as FM. FM relies on MODULATING one or more carrier sine waves with another, or multiple, sine waves or other waves. The difference is basically that youre not adding together waves but instead using one or more waves to influence the expression of the carrier waves. By adding amp envelopes to each operator (the affector waves) and having many arrangements or algortithms of the operators - the genesis was able to create stunning and evolving tambres if people simply learn to use the hardware or GEMS properly
Watched the video, super amazing stuff!!! Also, do you have a link to your friend's music that starts playing at 11:40? It sounds like Final Escape, and it'd really be awesome to hear a full hardware-accurate rendition of it!
The link to his channel is in the description at the bottom! Though I don't think that he's posted those songs on his channel, I'm not sure why since he's got tons of good stuff.
@@ackfee6086 cant say much about the music itself other than that its good. the synthesizer sounds seriously great tho! really great patches. cant wait to see it finished and in an analog interface eventually.
I really like it, but unfortunately the effects section is broken - the DRAM is dead. I'm working on it though! The M1 is especially cool because it has an interesting NEC V50 x86 CPU.
I'd be interested in a self-contained device, like an OP-1 or a M8. Would you ever be interested in releasing the source of this so that I can tinker with it further?
Hi. Come across this on pcbway. Is it a vgm player or has cc midi mappings for all parameters or something else. Nice tunes at the end. Looked like way more voices in play than a ym2612 +SN76489 has?
It's simply a board which lets you set the parameters of the YM2612 and chain together multiple YMs. That's why you can have multiple voices. However, there are no official MIDI mappings and the tunes were composed on a PC and then scripted on a microcontroller. The idea is that you can either make it a synthesizer through MIDI, VGM player, anything as long as you like to write code.
hey, it's me, the composer of the demo tracks, and uhh, the last one you see is actually for the YMF292(?) an arcade chip that's also based on FM synthesis, also sorry for the necropost
Thanks that was inspirational and great, though I would say it would have been nice to have a mounting hole or two, maybe I can drill through the copper on the output side and near your name? And I'm interested in how to programming the thing, for me I'd rather some kind of performance device than midi playback, I've got a TX7 and it's such a pain to edit patches, and i don't want to be looking at a computer in my free time - but i know there's a load of controls, so a lot of money for knobs there, maybe a touch/screen combo would reduce the BOM a bit hmm.
Thank you for the kind comment!
For this board the idea was to have it mounted on a pin header, but I don't see any problems with drilling next to my name. In the rightmost bottom corner you have 12.5x12.5mm free, and in the rightmost top corner you have 7.5x7.5mm free. In the leftmost bottom corner above the pins you also have mostly empty space, just be mindful of the ground connection. If you cut that, a bodge wire can easily fix it. There isn't much going on down there too.
Electronically, having a microcontroller and controlling it with MIDI is the simplest way, however handling the voice assignment for polyphony is slightly challenging. In my opinion, my YM3812 project turned out to have a very elegant interface so you could check that out. It had four potentiometers and two buttons to select which set of features those potentiometers controlled. Only when turning them did a setting change, which meant that I could control all the deep parameters of an FM synth through just four potentiometers.
However, the YM3812 had half the operators of the YM2612, so I agree with your judgment that ideally, a touchscreen combo would do the job. I think that a cheap 7-inch display with touch (~30$ from China) can replace every single potentiometer and most of the control surface, but then the issue becomes one of scope creep for me personally hahahaha. Striking the balance between an analog-like interface and going fully digital might be difficult, as adding an advanced microcontroller just raises the question of... why not just emulate the thing? An ARM is fast enough to do so, and a tiny FPGA too.
Honestly, for my DX7 I just use the E-Piano preset. I love the E-Piano, so I've never thought about trying to change it. I burned the MIDI IN port on my DX7, so I don't really have a choice.
@@ackfee6086 ha, yes, you're right, I could just use the pin headers. In regard to the interface, I have a Tx7 (the Dx7 expander module, so a Dx7 without a piano keyboard attached)... the bar was set low when they made the user interface to create a patch with the original synth - and I also haven't plugged it into a computer for about 10 years... so still have the same 32 patches from that day, sigh the EP is great!
The fourier transformation will give you sine waves that when added together via additive synthesis create the complex wave forms you describe as FM.
FM relies on MODULATING one or more carrier sine waves with another, or multiple, sine waves or other waves.
The difference is basically that youre not adding together waves but instead using one or more waves to influence the expression of the carrier waves.
By adding amp envelopes to each operator (the affector waves) and having many arrangements or algortithms of the operators - the genesis was able to create stunning and evolving tambres if people simply learn to use the hardware or GEMS properly
this is great. waiting for the continuation of the project
Watched the video, super amazing stuff!!! Also, do you have a link to your friend's music that starts playing at 11:40? It sounds like Final Escape, and it'd really be awesome to hear a full hardware-accurate rendition of it!
The link to his channel is in the description at the bottom! Though I don't think that he's posted those songs on his channel, I'm not sure why since he's got tons of good stuff.
man, this is super cool! and the GenMDMs are not available anymore, so maybe this is the only way to do a sega synth right now
YOOOO NEW ACKFEE VIDEO
Hey watch until the end and tell me what you think about the music!
@@ackfee6086 cant say much about the music itself other than that its good. the synthesizer sounds seriously great tho! really great patches. cant wait to see it finished and in an analog interface eventually.
you have a Kor M1 too.
the M1 is quite cool NGL
I really like it, but unfortunately the effects section is broken - the DRAM is dead. I'm working on it though! The M1 is especially cool because it has an interesting NEC V50 x86 CPU.
@@ackfee6086 i did not know this. interesting
I'd be interested in a self-contained device, like an OP-1 or a M8. Would you ever be interested in releasing the source of this so that I can tinker with it further?
It seems your friend's channel is gone and the link doesn't work
Are they on any other platforms or something? I really love the music
God bless you for stopping by this comment, and may your entire family prosper in all areas
Hi. Come across this on pcbway. Is it a vgm player or has cc midi mappings for all parameters or something else. Nice tunes at the end. Looked like way more voices in play than a ym2612 +SN76489 has?
It's simply a board which lets you set the parameters of the YM2612 and chain together multiple YMs. That's why you can have multiple voices. However, there are no official MIDI mappings and the tunes were composed on a PC and then scripted on a microcontroller. The idea is that you can either make it a synthesizer through MIDI, VGM player, anything as long as you like to write code.
hey, it's me, the composer of the demo tracks, and uhh, the last one you see is actually for the YMF292(?) an arcade chip that's also based on FM synthesis,
also sorry for the necropost
maslinovo ulje