---
title: Audio File Stream Properties
framework: audiotoolbox
role: collectionGroup
role_heading: API Collection
path: audiotoolbox/1391506-audio-file-stream-properties
---

# Audio File Stream Properties

Audio file stream properties contain information that you can use to help interpret the audio data in a stream.

## Overview

Overview Use these property IDs when calling the AudioFileStreamGetProperty function.

## Topics

### Constants

- [kAudioFileStreamProperty_ReadyToProducePackets](audiotoolbox/kaudiofilestreamproperty_readytoproducepackets.md)
- [kAudioFileStreamProperty_FileFormat](audiotoolbox/kaudiofilestreamproperty_fileformat.md)
- [kAudioFileStreamProperty_DataFormat](audiotoolbox/kaudiofilestreamproperty_dataformat.md)
- [kAudioFileStreamProperty_FormatList](audiotoolbox/kaudiofilestreamproperty_formatlist.md)
- [kAudioFileStreamProperty_MagicCookieData](audiotoolbox/kaudiofilestreamproperty_magiccookiedata.md)
- [kAudioFileStreamProperty_AudioDataByteCount](audiotoolbox/kaudiofilestreamproperty_audiodatabytecount.md)
- [kAudioFileStreamProperty_AudioDataPacketCount](audiotoolbox/kaudiofilestreamproperty_audiodatapacketcount.md)
- [kAudioFileStreamProperty_MaximumPacketSize](audiotoolbox/kaudiofilestreamproperty_maximumpacketsize.md)
- [kAudioFileStreamProperty_DataOffset](audiotoolbox/kaudiofilestreamproperty_dataoffset.md)
- [kAudioFileStreamProperty_ChannelLayout](audiotoolbox/kaudiofilestreamproperty_channellayout.md)
- [kAudioFileStreamProperty_PacketToFrame](audiotoolbox/kaudiofilestreamproperty_packettoframe.md)
- [kAudioFileStreamProperty_FrameToPacket](audiotoolbox/kaudiofilestreamproperty_frametopacket.md)
- [kAudioFileStreamProperty_PacketToByte](audiotoolbox/kaudiofilestreamproperty_packettobyte.md)
- [kAudioFileStreamProperty_ByteToPacket](audiotoolbox/kaudiofilestreamproperty_bytetopacket.md)
- [kAudioFileStreamProperty_PacketTableInfo](audiotoolbox/kaudiofilestreamproperty_packettableinfo.md)
- [kAudioFileStreamProperty_PacketSizeUpperBound](audiotoolbox/kaudiofilestreamproperty_packetsizeupperbound.md)
- [kAudioFileStreamProperty_AverageBytesPerPacket](audiotoolbox/kaudiofilestreamproperty_averagebytesperpacket.md)
- [kAudioFileStreamProperty_BitRate](audiotoolbox/kaudiofilestreamproperty_bitrate.md)
- [kAudioFileStreamProperty_InfoDictionary](audiotoolbox/kaudiofilestreamproperty_infodictionary.md)
- [kAudioFileStreamProperty_NextIndependentPacket](audiotoolbox/kaudiofilestreamproperty_nextindependentpacket.md)
- [kAudioFileStreamProperty_PacketToDependencyInfo](audiotoolbox/kaudiofilestreamproperty_packettodependencyinfo.md)
- [kAudioFileStreamProperty_PacketToRollDistance](audiotoolbox/kaudiofilestreamproperty_packettorolldistance.md)
- [kAudioFileStreamProperty_PreviousIndependentPacket](audiotoolbox/kaudiofilestreamproperty_previousindependentpacket.md)
- [kAudioFileStreamProperty_RestrictsRandomAccess](audiotoolbox/kaudiofilestreamproperty_restrictsrandomaccess.md)

## See Also

### Constants

- [Audio File Stream Flags](audiotoolbox/audio-file-stream-flags.md)