This page contains the list of registered AC-4 EMDF payloads and their assigned payload identifiers. When available, a description of the payload is provided along with links to documentation of the payload.
Payload identifier (emdf_payload_id) |
Payload Type |
Payload Description |
Registering Entity |
Documentation |
0x0 |
EMDF Substream End |
End of EMDF substream payloads signaling |
ETSI |
ETSI TS 103 190-1 4.3.15.1.1 |
0x1* |
Programme loudness data |
Data about programme loudness, including measured loudness |
ETSI |
ETSI TS 102 366 H.3.1 |
0x2* |
Programme information |
Additional information about the audio programme |
ETSI |
ETSI TS 102 366 H.3.2 |
0x3* |
E-AC-3 substream structure |
Description of the substream structure of an Enhanced AC-3 bit stream |
ETSI |
ETSI TS 102 366 H.3.3 |
0x4* |
Dynamic range compression data for portable devices |
Dynamic range compression data intended to be used by portable devices |
ETSI |
ETSI TS 102 366 H.3.4 |
0x5* |
Programme Language |
Indicates the language of the audio programme |
ETSI |
ETSI TS 102 366 H.3.5 |
0x6* |
External Data |
Carries user-defined data types that do not have an assigned payload ID |
ETSI |
ETSI TS 102 366 H.3.6 |
0x7* |
Headphone rendering data |
Data intended for use by a headphone virtualization algorithm |
ETSI |
ETSI TS 102 366 H.3.7 |
0x11 |
N/A |
|
Dolby |
Not disclosed |
0x12 |
N/A |
|
Dolby |
Not disclosed |
*These payload identifiers are in use by EMDF in other audio codec bitstreams and may not be applicable to AC-4 bitstreams