Dolby AC-4 and HTTP Live Streaming
Specification
Introduction to
Dolby AC-4
and HTTP Live Streaming specification
About this documentation
Conventions used
Resources
Contacting
Dolby
Dolby AC-4
packetization into
a fragmented MP4 file
Constraints on
Dolby AC-4
elementary streams within HTTP Live Streaming compliant test streams
Content of the MP4 sample
Reading
Dolby AC-4
frames from an .ac4 file
Packetizing the
Dolby AC-4
bitstream
Signaling
bitstreams in an ISO base media file format
Signaling immersive stereo content
Contents of
AC4SpecificBox
A/V alignment and segmentation
Recommended frame rates
Dolby AC-4
packetization into HTTP Live Streaming compliant audio-only elementary stream segments
HTTP Live Streaming playlist files with
Dolby AC-4
CHANNELS
attribute
Codec type indication for
Dolby AC-4
Codec type indication for
immersive stereo
content
Examples of HTTP Live Streaming playlist files with
Dolby AC-4
Demultiplexing
Dolby AC-4
bitstreams from an ISO base media file segment
Buffering considerations
HTTP Live Streaming and
Dolby AC-4
overview
HTTP Live Streaming
HTTP Live Streaming playlist files
Raw AC-4 frame
Random access point
Sync frames
Glossary
Notices
Copyright
Confidential information
Trademarks
Search
Introduction to
Dolby AC-4
and HTTP Live Streaming specification
This information set specifies the required data formatting and signaling between the server (sender) and the clients (receivers) to enable Dolby AC-4 to be used as an audio format within HTTP Live Streaming A/V delivery applications in conjunction with packed audio or ISO base media file format.
Dolby AC-4
packetization into
a fragmented MP4 file
The process of analyzing and preparing a Dolby AC-4 bitstream for storage within a fragmented MP4 file is described. AC-4 sync frames must be converted to raw AC-4 frames before packetization.
Dolby AC-4
packetization into HTTP Live Streaming compliant audio-only elementary stream segments
When multiplexing a Dolby AC-4 audio elementary stream into HTTP Live Streaming compliant audio-only elementary stream segments, the product must meet certain conditions.
HTTP Live Streaming playlist files with
Dolby AC-4
Requirements and recommendations for a playlist that lists entries for a presentation that includes Dolby AC-4 content are described.
Demultiplexing
Dolby AC-4
bitstreams from an ISO base media file segment
Buffering must be considered when product designers implement an ISO base media file format file demultiplexer that supports Dolby AC-4 bitstreams.
HTTP Live Streaming and
Dolby AC-4
overview
Introduction about HLS and Dolby AC-4
Glossary
Notices