DMG 3200/3100/3000 – User Manual
Page 222 (306)
Figure 8.35 -
Universal Broadcast Transcoder Audio parameters
Audio transcoders are added to a service by using the Create button. Up to 4 audio transcoders
can be added to a service. Block A and B share in total 6 audio transcoders. Block C and D
share in total 6 audio transcoders. These audio transcoders can be dynamically moved
between the channels of block A-B (and C-D).
The format of the audio to be transcoded is automatically detected. The following audio input is
supported:
• Input Codec Types: MPEG-1 layer II, AAC-LC(2.0), He AAC-v1/v2 (2.0) and AC-3
(2.0/5.1).
• Input Sample rate: 32 kHz 44.1kHz and 48kHz.
The output sample rate of the transcoded audio is 48kHz.
The various parameters that are configurable for the codecs are as follows:
Encoder
Codec Type: MPEG-1 layer II, AAC-LC, He AAC-v1/v2
Container
AAC container: ADTS/LATM
Bitrate
Bit-rate of the encoded audio stream. Legal range depends on Codec Type
and Channel Mode.
Channel Mode
Channel Mode: Stereo or Mono.
Delay
Audio/Video sync can be adjusted from -300ms to + 300ms
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