negative frequency value
I thought the negative numbers in the 'cycle~' object meant reverse phase, but when I checked, they were giving the same value. Is that the way it's supposed to be?
negative numbers going into cycle~'s left-inlet seem to work for me(the phase reverses)... did you try other-than-default settings for your scope~ so that you can catch the changes fast enough?
here's a patch, try scrolling very slowly in the number box between 0.1 and -0.1, you should see it reverse as soon as you change it, here i've set the scope~ at '32' bufsize and '32' calccount(as labelled in its inspector):
If you think of a sinusoid as a phasor rotating at a given frequency, then a negative frequency simply results in a phasor that rotates in the opposite direction.
This makes your waveform flip from left to right (i.e. the waveform is 'reproduced backwards'), not from top to bottom (what I think you expected to happen).
hth
Thank you for your response.
I tried scrolling slowly and noticed that it switches directions in the middle. I was very surprised.
I thought that when the phase is reversed, the starting point must be different.
Since the basic cosine signal starts at 1 and goes to -1, I thought that for negative numbers it should start at -1 and go to 1. But when I saw that the MSP for negative numbers also starts at 1, I felt it was pointless.
Also, when I experimented with the 'number~' object, the positive and negative signals came out the same. And even without using the right inlet, I thought that if the negative is phase inverted, the signal should cancel out when I added the two signals together, but instead it was amplified. Do you have any idea why this is the case? I'm curious.
Also, when I experimented with the 'number~' object, the positive and negative signals came out the same. And even without using the right inlet, I thought that if the negative is phase inverted, the signal should cancel out when I added the two signals together, but instead it was amplified. Do you have any idea why this is the case? I'm curious.
sorry, but in words, this becomes difficult to understand... (number~ object also has two outlets... i can't tell if you're attaching everything correctly)...
even without using the right inlet
i don't know if you mean right-inlet of cycle~ or number~, and then whichever one you do mean, will require a bit more explanation as to what might be going wrong...
if you post a patch, it'll help go through these details easier.
for your phase question to help with general understanding, in addition to what Volker wrote above, you could think about the wavetable inside of cycle~ as being read at a certain speed given by your frequency, if you switch from positive to negative, it will reverse the direction it is reading the internal wavetable no matter where in the wavetable it is currently at(no matter where on the sine wave its output currently exists, this is where it starts its reversal from.... for complete phase-cancellation, two perfectly-correlated(identical) signals need to be perfectly synchronized, but completely out-of-phase... you might not be synchronizing things correctly).
Thanks for the reply. I see that you mean reversing the rotation of the sine wave relative to the original rotating reference (which is different from the traditional phase inversion).
I guess I can understand it as a kind of playback speed.
I understand, thank you.
Thank you. I think it's solved. The only thing I'm a little confused about is if the signal is the same even if the playback is reversed, but I don't think it's a big point.
When I tested the signal with the 'number~' object, I was weird because the frequency was exactly the same for the case of 1 and -1.
'right inlet' means, I was referring to the inlet where you can control the phase in the 'cycle~' object, and the
I thaught that the positive and negative numbers would same function (but not now).
I thaught sometimes my english makes misunderstanding. sorry I will try to better.
no worries, i think it can help to post patches with comments where you're confused on certain things where you change a parameter but others might not understand how you have everything connected when you first try.
just in case it helps, to post patches here, select everything you want to share(make sure the patch is in 'patching' mode(the normal/default state) and not 'presentation' mode), and then choose from the 'Edit' menu of Max, "Copy Compressed"(copies a compressed version of the patch to your computer's clipboard), then you can paste that directly into these forum posts.
(you can also post screenshots of the small things you're trying if that's quicker/more-convenient...) either way, it can help with the smaller details of interfacing with Max that can save everyone time from trying to describe everything in words. 🍵
I thaught sometimes my english makes misunderstanding. sorry I will try to better.
oh no problem, even in english this is difficult to describe, i just recommend posting your patches more(makes it easier and quicker for everyone to understand what's going wrong and what way to make it right).
Thank you.
Also, can you please tell me how you can copy what I said and reply to it?
Also, can you please tell me how you can copy what I said and reply to it?
definitely, it's this icon above the post:
you still have to copy/paste the quote from the original post(but this button will create a shaded space to copy it into for appearances... these forums are not 'modern' like others, it requires more work, haha).
you still have to copy/paste the quote from the original post(but this button will create a shaded space to copy it into for appearances... these forums are not 'modern' like others, it requires more work, haha).
thank you It's useful enough
i´ve always wondered what "99" means. (and why it doesnt say "110")
I'm guessing it's not the number 99, but the quotation marks. Because the name of the function is also "blockquote"...
What does 110 mean?