APPEAR AS Confidential 237/352
• L/R : left and right front channels
• C : centre channel
• LFE : low frequency effects channel
• Ls/Rs : left and right surround channels
• Lb/Rb : left and right back channels
Dolby Digital, Dolby Digital Plus, MPEG-1 , AAC, HE-AACv1, HE-AACv2
Output channel format. Available choices depend on selected Source Mode
and Encoder Type
• Stereo
• Mono
• Dual Mono
• 3/2 +LFE (5.1)
• 3/4+LFE (7.1)
If Source Mode is larger than Encoder Mode, then down-mixing is
automatically performed. Dolby Digital Plus supports up-mixing from Source
Mode 3/2 +LFE (5.1) to Encoder Mode 3/4+LFE (7.1).
Bitrate of compressed audio, available choices depend on Encoder Type and
Mode.
ADTS or LATM (Encoder Type AAC, HE-AACv1 and HE-AACv2 only)
Dolby Digital/Dolby Digital Plus audio service description
Dolby Digital/Dolby Digital Plus setting used for aligning the output level
based on the set level of dialogue. Important to configure correctly for current
source content to achieve an even output level across services.
The PID value of the compressed audio stream.
Three letter audio code used in PMT. Example “nor”, “eng”
Audio type signalled in PMT
• Normal
• Clean Effect
• Hearing Impaired
• VI Commentary
More details can be found in Ref. ITU-T Rec. H.222.0
Advanced (All coder types)