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AVFAudio / AVAudioUnitVarispeed

Contents

Declaration
Topics
See Also

AVAudioUnitVarispeed

An object that allows control of the playback rate.

Declaration

class AVAudioUnitVarispeed

Topics

Adjusting the playback rate

rate

Relationships

Inherits From

AVAudioUnitTimeEffect

Conforms To

CVarArg
CustomDebugStringConvertible
CustomStringConvertible
Equatable
Hashable
NSObjectProtocol
Sendable
SendableMetatype

See Also

Time effects

AVAudioUnitTimePitch
AVAudioUnitTimeEffect

Open on developer.apple.com

AVFAudioClass

iOS 8.0+iPadOS 8.0+Mac Catalyst 13.1+macOS 10.10+tvOS 9.0+visionOS 1.0+

Declaration
Topics
See Also

Relationships

Inherits From

AVAudioUnitTimeEffect

Conforms To

CVarArg
CustomDebugStringConvertible
CustomStringConvertible
Equatable
Hashable
NSObjectProtocol
Sendable
SendableMetatype

Built on 2026-11-01 · Snapshot snapshot-20261101 (macOS 27.0.1) · Commit 864a336 · by @g-cqd · based on Apple Developer Documentation