This is an iOS tuner & music theory training app written in Swift with AudioKit.
There are four main functions:
- Tuner & Metronome.
- Sight Reading.
- Sight Singing.
- Interval Dictation.
- Chord Progression Dictation.
The note convert table for getNoteBy(index:isTreble:):
| | Bass | | Treble | |
|-------|-------|--------|---------|--------|
| Index | Note | Octave | Note | Octave |
| 0 | D | 2 | B | 3 |
| 1 | E | | C | 4 |
| 2 | F | | D | |
| 3 | G | | E | |
| 4 | A | | F | |
| 5 | B | | G | |
| 6 | C | 3 | A | |
| 7 | D | | B | |
| 8 | E | | C | 5 |
| 9 | F | | D | |
| 10 | G | | E | |
| 11 | A | | F | |
| 12 | B | | G | |
| 13 | C | 4 | A | |
| 14 | D | | B | |
| Semitone Diff. | Name |
|----------------|-------|
| 0 | P1 |
| 1 | m2 |
| 2 | M2 |
| 3 | m3 |
| 4 | M3 |
| 5 | P4 |
| 6 | A4/d5 |
| 7 | P5 |
| 8 | m6 |
| 9 | M6 |
| 10 | m7 |
| 11 | M7 |
| 12 | P8 |
P1 will not appear in the interval training.