---
title: kCVBufferTimeScaleKey
framework: corevideo
role: symbol
role_heading: Global Variable
path: corevideo/kcvbuffertimescalekey
---

# kCVBufferTimeScaleKey

The time scale associated with the movie.

## Declaration

```swift
let kCVBufferTimeScaleKey: CFString
```

## See Also

### Constants

- [kCVBufferMovieTimeKey](corevideo/kcvbuffermovietimekey.md)
- [kCVBufferTimeValueKey](corevideo/kcvbuffertimevaluekey.md)