Dolby AC-4 in MPEG-DASH for Online Delivery
Specification
Introduction to the Dolby AC-4 in MPEG-DASH for
online delivery
specification
About this documentation
Conventions used
Resources
Contacting
Dolby
Dolby AC-4
packetization into
MPEG-DASH compliant ISO base media files
Constraints on
Dolby AC-4
elementary streams within MPEG-DASH ISO base media file format segments
Content of the MP4 sample
Reading
Dolby AC-4
frames from an .ac4 file
Packetizing the
Dolby AC-4
bitstream
Signaling
bitstreams in an
MPEG‑DASH
–compliant
ISO base media file format
Signaling a
bitstream in an encrypted ISO base media format file
AC-4 DSI syntax changes to signal
immersive stereo
content
Signaling immersive stereo content
Contents of
AC4SpecificBox
A/V alignment and segmentation
Media Presentation Description with
Dolby AC-4
Media Presentation Description
Profiles
Periods
Adaptation sets and representations
AudioChannelConfiguration descriptor
Accessibility descriptor
MPD
for
immersive stereo
content
ATSC 3.0 specific constraints on Media Presentation Description
Compatibility with ATSC 3.0 and DVB-DASH
Media Presentation Description file examples
Media Presentation Description for a single video component and single audio component
Media Presentation Description for a single video component and an
immersive stereo
audio component
Media Presentation Description with multiple adaptation sets
Media Presentation Description with a single audio component
Demultiplexing a
Dolby AC-4
bitstream from an MPEG-DASH compliant ISO base media file segment
Buffering considerations
AC4SampleEntry and
Dolby AC-4
bitstream parameter conflicts
AC4SpecificBox and
Dolby AC-4
bitstream parameter conflicts
MPEG‑DASH and
Dolby AC-4
overview
MPEG Dynamic Adaptive Streaming over HTTP with ISO containers
MPEG-DASH Media Presentation Description file
Raw AC-4 frame
Random access point
Glossary
Notices
Copyright
Trademarks
Confidential information
Search
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Glossary
Glossary
cyclic redundancy check
Dynamic Adaptive Streaming over HTTP
Dolby AC‑4
Hypertext Transfer Protocol
independently decodable frame
immersive stereo
main audio
MP4 sample
Media Presentation Description
Moving Picture Experts Group
MPEG Dynamic Adaptive Streaming over HTTP
presentation
random access point
raw AC‑4 frame
substream
Uniform Resource Identifier