Dolby Digital Plus bitstream requirements

This section contains the requirements for a Dolby Digital Plus bitstream used in an online delivery format.

DR-5

Supports all valid data rates for Dolby Digital Plus, up to and including 3,024 kbps.

Mux-2

The fscod parameter is set to 0 (48 kHz) for all substreams present in the Dolby Digital Plus bitstream.

Mux-3

All substreams present in the Dolby Digital Plus bitstream have the same numblkscod value.

Mux-4

The bsid value of the Dolby Digital Plus bitstream remains constant.

Mux-5

No substreams within the Dolby Digital Plus bitstream have a strmtyp value of 2 (transcoded) or 3 (reserved).

Mux-6

The Dolby Digital Plus bitstream does not have an acmod value of 0 (1+1).

Mux-7

The number of independent substreams within the Dolby Digital Plus bitstream remains constant.

Mux-8

The values of bsmod, acmod, and lfeon remain constant within each independent substream of the Dolby Digital Plus bitstream.

Mux-9

The Dolby Digital Plus bitstream is encoded in big-endian format.

Mux-10

The number of dependent substreams within the Dolby Digital Plus bitstream remains constant.

Mux-11

The values of acmod, lfeon, and chanmap remain constant within each dependent substream of the Dolby Digital Plus bitstream.