---
title: effectiveRate
framework: coremedia
role: symbol
role_heading: Instance Property
path: coremedia/cmtimebase/effectiverate
---

# effectiveRate

The effective rate that combines its rate with the rates of all its primary timebases.

## Declaration

```swift
var effectiveRate: Double { get }
```

## See Also

### Inspecting Timebases

- [time](coremedia/cmtimebase/time.md)
- [rate](coremedia/cmtimebase/rate.md)
- [source](coremedia/cmtimebase/source.md)
- [sourceClock](coremedia/cmtimebase/sourceclock.md)
- [sourceTimebase](coremedia/cmtimebase/sourcetimebase.md)
- [timeAndRate](coremedia/cmtimebase/timeandrate.md)
- [ultimateSourceClock](coremedia/cmtimebase/ultimatesourceclock.md)