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FamiTracker > General > Show Off Your Work > Post your random doodles and short loops here Owner: jrlepage New Post(Locked)
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Posted: 2012-10-29 03:15 Reply(Locked)
Necrophageon

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#41272
Patashu wrote:
in the oscilloscope they look like weird sine waves with pointy bits... anyone know how this works out?
The squares are hiding.

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squarevision.bmp (539 Kb)
Posted: 2012-10-29 03:28 Reply(Locked)
jrlepage
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#41275
That's why if you pay attention you can kind of make out the sound of a sine wave in the background.

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Posted: 2012-10-29 03:44 Reply(Locked)
DjJizzer5

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#41277
It's because carrier (sine wave) is still there, yeah.

Posted: 2012-10-29 03:52 Reply(Locked)
Patashu

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#41278
Is it possible to make a wave like a 25% pulse width square in FM?

Posted: 2012-10-29 04:00 Reply(Locked)
DjJizzer5

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#41280
after making the 50% one, I tried to do it, but as I said, making the 50% was just a coincidence, so I had no idea how to do the 25% square. And I don't think you can "duty change" carrier in VRC7.

Posted: 2012-10-29 04:10 Reply(Locked)
Patashu

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#41281
Is there an FM instrument maker that lets you see a representation of the waveform it'd play while you edit parameters? I think that would be really helpful for understanding FM, I played with it for a bit but everything I made was like you said, coincidence lol

Posted: 2012-10-29 04:14  (Last Edited: 2012-10-29 04:16) Reply(Locked)
jrlepage
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#41282
Patashu wrote:
Is there an FM instrument maker that lets you see a representation of the waveform it'd play while you edit parameters? I think that would be really helpful for understanding FM, I played with it for a bit but everything I made was like you said, coincidence lol

I'm not sure that's possible. However if you use a tracker like AdlibTracker2 (a tracker for the OPL3, which is backward-compatible with the OPL2, OPLL and VRC7), you can see the envelope for each operator, which is already a plus compared to Famitracker.

Patashu wrote:
Is it possible to make a wave like a 25% pulse width square in FM?

Yes, but you need two channels.

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Posted: 2012-10-29 04:54 Reply(Locked)
za909

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#41284
Ah, I had no idea that 25% was possible at all! What's even better that on a Genesis you can do this with 1 channel, the same modulator modulating two carriers. Btw, what's up with VRC7 instruments randomly phasing sometimes?

Posted: 2012-10-29 07:10 Reply(Locked)
Im_a_Track_Man

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#41288
using the same technique, you can get one in the AY-3-8910/YM2149/TI-SN76489/SN5B (although you can use envelopes to do the same thing)

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Posted: 2012-10-29 07:11  (Last Edited: 2012-10-29 07:11) Reply(Locked)
DjJizzer5

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#41289
@za909 It's FM synthesis. It's only natural.

Posted: 2012-10-29 07:18  (Last Edited: 2012-10-29 07:19) Reply(Locked)
jrlepage
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#41290
Im_a_Track_Man wrote:
using the same technique, you can get one in the AY-3-8910/YM2149/TI-SN76489/SN5B (although you can use envelopes to do the same thing)

Yeah it's a technique I tend to rely on a lot (see this vgm and this ay).

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Posted: 2012-10-29 07:30  (Last Edited: 2012-10-29 07:31) Reply(Locked)
Im_a_Track_Man

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#41291
jrlepage wrote:
and this ay).


ughhh... VT II won't convert it. Which reminds me... do you think you could make a tutorial for Vortex? You know, for those poor souls for which the learning curve is too great?

(I swear, as soon as we get the Sunsoft, I will be ALL OVER THAT SOUND CHIP LIKE THE REGISTERS THAT LET IT OPERATE!!!)

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Posted: 2012-10-29 07:42 Reply(Locked)
jrlepage
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#41292
Here's the PT3. :)

Yeah I'll get around to it sometime. Maybe. :p

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Doodle Posted: 2012-10-29 18:28 Reply(Locked)
FamiPunk221



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#41309
Made a lil' doodle, Samples cut by Audacity, its like a little Sample experiment

RE: Doodle Posted: 2012-10-29 18:31 Reply(Locked)
jrlepage
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#41310
FamiPunk221 wrote:
Made a lil' doodle, Samples cut by Audacity, its like a little Sample experiment

That's cool.

(where's the file?)

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