Support and General Use > User Interface and Voice
Key mapping for pitch screen wanted
fml2:
Hello,
I've made up the patch 6145 (http://www.rockbox.org/tracker/task/6145) that allows to change the pitch not only in 0.1% steps but also in semitone steps. As I only have H120 I don't know what key should be used to toggle the pitch mode on other players.
So please tell me what button on your player whould you use in the pitch screen to toggle the pitch mode from 0.1% step to semitone step and back.
I used MODE (i.e. A-B) on H120. Of course I need replies for as many devices as possible.
Any help is higly appreciated.
ant:
I think the pitch change should allways be in semitones (or fractions of semitones). But you should display the percentage for notification. So if you adjust the pitch 6 semitones, you see 150%.
In my opinion, toggling just complicates things unnecessary. I can't imagine that someone wants to increase the pitch exactly 3%, rather you want to increase the pitch a little bit and that is still possible if pitch changes are in frations of semitones.
fml2:
--- Quote from: ant on October 10, 2006, 11:46:39 AM ---I think the pitch change should allways be in semitones (or fractions of semitones).
--- End quote ---
This was an existing feature. I wanted to enhance, not replace or change it.
--- Quote ---But you should display the percentage for notification. So if you adjust the pitch 6 semitones, you see 150%.
--- End quote ---
That's not correct IMHO since semitone steps are exponential. So 6 semitones mean 2^(1/2)=141.4%.
--- Quote ---In my opinion, toggling just complicates things unnecessary. I can't imagine that someone wants to increase the pitch exactly 3%
--- End quote ---
I needed both modes. I wanted to start music playback and strum on my guitar. My guitar was not tuned exactly with the recording. So I changed the pitch. But the difference was not an integer number of semitones either. So I had to use both modes. Or, in this case, I could use only the normal mode. But if you know that you need N semitones (I have recordings where I know I need to go exactly one tone lower), you're quicker with semitone mode. A little bit messy explanation, I see...
fml2:
PS. How about key mapping proposals? I've figured out some but since I don't have all the daps it's not tested in reality.
ant:
--- Quote from: fml2 on October 11, 2006, 03:40:11 AM ---
--- Quote from: ant on October 10, 2006, 11:46:39 AM ---I think the pitch change should allways be in semitones (or fractions of semitones).
--- End quote ---
This was an existing feature. I wanted to enhance, not replace or change it.
--- End quote ---
Yes, I know you did not want to change it, nevertheless I propose exactly that ;D
--- Quote from: fml2 on October 11, 2006, 03:40:11 AM ---
--- Quote ---But you should display the percentage for notification. So if you adjust the pitch 6 semitones, you see 150%.
--- End quote ---
That's not correct IMHO since semitone steps are exponential. So 6 semitones mean 2^(1/2)=141.4%.
--- End quote ---
Hmm, isn't the percentage exponential too? If I set the Pitch to 150% I expect that the song is played one and a half time faster.
--- Quote from: fml2 on October 11, 2006, 03:40:11 AM ---
--- Quote ---In my opinion, toggling just complicates things unnecessary. I can't imagine that someone wants to increase the pitch exactly 3%
--- End quote ---
I needed both modes. I wanted to start music playback and strum on my guitar. My guitar was not tuned exactly with the recording. So I changed the pitch. But the difference was not an integer number of semitones either. So I had to use both modes. Or, in this case, I could use only the normal mode. But if you know that you need N semitones (I have recordings where I know I need to go exactly one tone lower), you're quicker with semitone mode. A little bit messy explanation, I see...
--- End quote ---
Of course finetuning of the pitch should still be possible. As I see it, there are 3 cases, when one want to change the pitch:
1. You want to play along to a song but the tune is off, so you want to change the pitch a little bit. To achieve this, I propose to divide a semitone into 10-20 subsections. So if you press 'Vol+' the pitch goes up to 0.1 semitones and the percentage is 100.83%
2. You want to rise the tune of a song by a semitone. If you press 'Right' the pitch goes up to 1 semitone and the percentage to 108.33%
3. You're a big fan of sqeezy sound so you rise the pitch as far it will go. Then the pitch is 12 semitones and the percentage 200%
As you can see, there is realy no need for percentage. You can do everything with the semitone scale. In my opinion it is also more logical. With percentage you don't even know if it is linear or exponentional but I think everyone knows what a semitone is.
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