(%i2) log2(x):=log(x)/log(2) log(x) (%o2) log2(x) := ------ log(2) (%i3) midi_number(freq):=69+12*log2(freq/440) freq (%o3) midi_number(freq) := 69 + 12 log2(----) 440 (%i4) midi2freq(m):=440*2^((m-69)/12) m - 69 ------ 12 (%o4) midi2freq(m) := 440 2 Middle C has MIDI number 60. (%i6) midi2freq(60),numer; (%o6) 261.6255653005986 Frequency 440 Hz corresponds with MIDI number 69 (%i8) […]
Virtual Guitar
37 posts
00 TAB==================================== E 3 5 7 8 10 12 14 15 B - - - - - - - - G - - - - - - - - D - - - - - - - - A - - - - - - - - E 3 5 […]
I wrote vguitar as a ncurses application. So it has a terminal user interface. Running it inside emacs with M-x terminal allows one to copy/cut/print the visible notes using c-j and c-k modes. 00 ========================= O - - 0 - - - - - - - - - - X […]
Bob Marley’s redemption song. E|---------------------------------------------- B|---------------------------------------------- G|---------------------------------------------- D|-----------2-0---------0---------------------- A|---0-2---3-----2---0-2---2-3-2-0-------------- E|-3-----3---------3---------------3------------
Press the HOME key to bring up the strum mode, press the END key to bring up the tablature mode. This allows one to hot swap guitar instrumental modes. In strum mode, Press PAGE-UP and PAGE-DOWN to switch between difference strum sequences.
Run qsynth. See what address and port it is using with aconnect -l. On my ubuntu, it is 129 and 0. vguitar needs to connect to these with -A 129 and -P 0. Run vguitar in either strum (-S) or tablature (-t ) modes. Play music with the space key […]
Editing a chord in strum mode, is fairly easy with the arrow keys to move between strings and frets, and ‘k’ to mark a fret. You can remember your edited chord, with the ‘R’ key and associate it with a key (avail. version 0.8 apt release 1.0). Or you can […]
I put it together with a few chords, and two strums, to get something, I could play, I used the page down and page up keys to move between the two strums, and moved between chords with A, F, D, and E. The chord names are arbitrary, really whatever letter […]
In the previous posting Command line chords the example strum sequence -q “DddE1uuuu” gets the desired rhythmn but has the fixed melody with chords D and E. I want to have a rhythmn that I can use with different chords. You can do this with chord stacks. The M (abbrev. Minus) and […]
With the new 0.7 release, there are some new useful command line options, specifically –chord (-C) and –strum_sequence (-q). You can add a chord bound to a key binding. In the following example, I have bound three chords to the A key, the E key, and the D key. The […]
You can experiment with strum rthymns with -q (–strum_sequence) command option. This is a new feature release in 0.6. You provide a strum sequence of down ‘D’ up ‘U’, and pauses ‘1,2,3,etc.’ For example, That sounds,