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MediaPlayer.SpeedRatio Property

Gets or sets the ratio of speed that media is played at.

Namespace:  System.Windows.Media
Assembly:  PresentationCore (in PresentationCore.dll)

public double SpeedRatio { get; set; }
Not typically used in XAML.

Property Value

Type: System.Double
The ratio of speed that media is played back represented by a value between 0 and the largest double value. The default is 1.0.

Values less than one yield slower than normal playback while values greater than one yields faster than normal playback.

If the player has an associated Clock, setting SpeedRatio is not allowed. SpeedRatio cannot be set while the timing engine drives media playback.

Audio playback is not guaranteed when SpeedRatio is not 1.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.