Marks for tune an instrument

[humitos]

After seeing this video I thought that it could be good to add a Guitar icon that adds some vertical bars to the background with the correct position for each chord.

•  http://www.youtube.com/watch?v=7P8aCtK4K40

We can expand this idea to more instruments. I'm opening this ticket to discuss a bit more about this.

[walter]

Nice idea.

[AlanJAS]

Good! But the Measure activity have a lot of options; maybe add more, it's confused?
If we make another activity (called Tune, for example) more simple that only serve to tune an instrument. We can add instruments: guitar, violin, etc..

[humitos]

I agree with you about that there are too many buttons, but creating a new activity will break the relationship between "measure sound" and "tune an instrument". I mean, "tune a guitar" will be the answer for: "What the hell I can do with this activity?", "OK, It's for measure waves. I can speak and it will show me the wave of my voice", "Wow!, I can tune an instrument", "How does it work?"

In my personal experience, I know some guitarist that have no idea about that relationship: measure the sound and look for the correct wave.

It would be good if we think in a GUI that solves this confusing problem with all the buttons.

[humitos]

Here we have a tuner example made with Gtk:

•  http://developer.gnome.org/gnome-devel-demos/stable/guitar-tuner.py.html.en

[AlanJAS]

Well, who makes this improvment?

[walter]

I've begun this work. Hope to land it soon.

-walter

[walter]

Please test [1].

[1]  http://git.sugarlabs.org/measure/mainline/commit/35102fad0cd2dea33d81add62aa078f9135d9ab6

[humitos]

Replying to walter:

Please test [1].

Cool! It works for me. Just a comment: I'd use capital letters for the names of the instruments in the ComboBox

Another comment, I tested it with my electric guitar, so I just tested "guitar". I tried the other instruments and the lines are drawn but I don't know if they are OK. I trust on you :)

[walter]

Thanks for testing. The other instruments are pretty standard ones. See [1]. Be interesting to add some non-Western instruments as well.

[1]  http://en.wikipedia.org/wiki/Piano_key_frequencies