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Hey! I thought I'd do a little experiment a see how the VRC7 can get by on its own, and I have to say, it would be probably more than enough in a console without the 2A03 helping out. (Oh and there seems to be a glitch with high bleeps and rusty metal-like sounf effects in the nsf)
[quote=za909]I might try this with the N163 as well.[/quote]
N163 can go very well on its own. The only thing it would lack is samples, but that could be easily done with a special sound engine (like SuperNSF).
A more challenging thing to do would be the 5B or the VRC6.
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"im going to continue making this crazy stuff then after a while my style will be so sick that you will be like damn suuun that shit is so sick i dont even get it. i will be like bro its ok.. you dont have to." -omgdonut
5B would - and indeed does - work very well on its own, seeing as it's a AY-3-8910/YM2149F derivative, and those chips have been used in numerous machines on their own. Granted, those machines had faster CPUs, but that's a only a minor disadvantage the 5B has compared to the AY and YM chips.
In fact, the only Famicom expansion sound chip I could hardly see working well on its own is the MMC5. I've heard NSFs that used every other expansion exclusively, and they all sounded at least decent (although you do have to resort to pretty tricky single-channel techniques when it comes to the FDS).
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I record (some) NSFs on hardware. Feel free to [url=http://www.famitracker.com/forum/posts.php?id=3633]request a hardware render.
MMC5 would work fine on its own with 4 software synth 8-bit PCM channels. One could be PWM pulse, one could be saw, another could be sine, and another could be PWM half-sine. ;D
Of course this would be good for low-resource games such as board games, first person adventures, and transitional screens with low screen drawing and animations of course.
FDS on its own wouldn't be very good unless the refresh rate was doubled or tripled and some "multi-channel" trickery was done.
I suppose in a board game the FDS could be used as two 4-bit PCM channels by giving it a wave with all the steps being 64. I'm not sure how you'd make nice drums with the VRC6 though. But if the chip can be reset, the two pulse channels could be used as DACs as well.
[quote=B00daW]MMC5 would work fine on its own with 4 software synth 8-bit PCM channels. ;) One could be PWM pulse, one could be saw, another could be sine, and another could be PWM half-sine. ;D[/quote]
Yeah, I guess I didn't consider PCM. I was talking specifically about Famitracker-made NSFs. But it is true that one way to make the MMC5 stand on its own would be to use its PCM channel.
[quote=B00daW]FDS on its own wouldn't be very good unless the refresh rate was doubled or tripled and some "multi-channel" trickery was done.
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Stuff like [url=https://dl.dropboxusercontent.com/u/34026765/1channel%21%21%21.ftm]this* is what I had in mind. I'm not going to pretend it's a good full-fledged tune, but it's possible to get decent results using a single FDS channel, as moviemovies1 demonstrates in that tune.
[size=1]*I had to tweak the FTM a little bit to make it work with the new FDS FM emulation, as it was written using an old build. Please don't sue~~
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I record (some) NSFs on hardware. Feel free to [url=http://www.famitracker.com/forum/posts.php?id=3633]request a hardware render.
I actually made a fix for that FDS tune ages ago, but didn't share it anywhere. I replaced the frequency modulator vibrato with a normal pitch sequence. (1_single_audio_channel.ftm)
I recently made another module using the FDS only, so I attached that too. (fds_1ch.ftm)