---
title: "init(mSampleRate:mFormatID:mFormatFlags:mBytesPerPacket:mFramesPerPacket:mChannelsPerFrame:mBitsPerChannel:)"
framework: audiotoolbox
role: symbol
role_heading: Initializer
path: "audiotoolbox/cafaudiodescription/init(msamplerate:mformatid:mformatflags:mbytesperpacket:mframesperpacket:mchannelsperframe:mbitsperchannel:)"
---

# init(mSampleRate:mFormatID:mFormatFlags:mBytesPerPacket:mFramesPerPacket:mChannelsPerFrame:mBitsPerChannel:)

## Declaration

```swift
init(mSampleRate: Float64, mFormatID: UInt32, mFormatFlags: CAFFormatFlags, mBytesPerPacket: UInt32, mFramesPerPacket: UInt32, mChannelsPerFrame: UInt32, mBitsPerChannel: UInt32)
```