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

# rate

The current rate relative to its immediate primary clock or timebase.

## Declaration

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

## See Also

### Inspecting Timebases

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