---
title: ranges
framework: musicunderstanding
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+, watchOS 27.0+]
path: musicunderstanding/instrumentactivityresult/ranges
---

# ranges

The time ranges during which the framework detects each instrument.

## Declaration

```swift
let ranges: [InstrumentActivityResult.Instrument : [CMTimeRange]]
```