# YM2413 feedback

### One full period

#### Modulation depth (TL): 63

FB
7 |

#### Modulation depth (TL): 37

FB | +0 | +1 | +2 | +3
--- | --- | --- | --- | ---
0 |  |  |  |
4 |  |  |  |

#### Modulation depth (TL): 0

FB | +0 | +1 | +2 | +3
--- | --- | --- | --- | ---
0 |  |  |  |
4 |  |  |  |

### Zoomed

#### Modulation depth (TL): 37, Feeback (FB): 7

#### Modulation depth (TL): 0, Feeback (FB): 5

#### Modulation depth (TL): 0, Feeback (FB): 7