Epiphan Pearl Mini Live Video Production System - Manual (Page 410)

Pearl Mini User Guide Configuration keys for third party APIs
Table 79 Supported channel layout configuration keys
Key Values Description
active_layout integer
Specifies which layout is currently active for the specified
channel.
Audio configuration keys
The following audio configuration keys are supported. For more information on individual items listed, see
Configure channel encoding .
Table 80 Supported Audio configuration keys
Key Values Description
audio
on
empty string ("")
Enables or disables audio for the stream.
To enable audio, set to on.
To disable audio, set to an empty string ("").
audiobitrate
32
64
96
112
128
160
192
Specifies the audio bitrate for the stream.
Not applicable for PCM audio codecs.
audiochannels
1 (mono)
2 (stereo)
Specifies the number of audio channels.
For mono, set to 1.
For stereo, set to 2.
audiopreset
CODECS:
pcm_s161e (PCM)
libmp3lame (MP3)
libfacc (AAC)
RATES:
16000 (AAC only)
22050
44100
48000
Specifies an audio code preset in the format CODEC;RATE.
i.e. libfaac;22050
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