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# updateValue(_:)

Sets the pitch of the audio graph’s tone.

```
class func updateValue(_ value: Double)
```

## Parameters

`value`

A normalized value in the range [`0.0`, `1.0`], where `0.0` represents the minimum
displayable y-axis value for your data series, and `1.0` represents the maximum displayable
y-axis value for your data series.

---

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