Epiphan Pearl - Manual (Page 328)

Pearl User Guide Configuration keys for third party APIs
Audio configuration keys
The following audio configuration keys are supported. For more information on individual items listed, see
Configure Encoding (Multi-source) .
Table 50 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:
32
64
96
112
128
160
192
Specifies an audio code preset in the format CODEC;RATE.
i.e. libfaac;128
Stream publishing configuration keys
The system supports the following stream publishing settings. For more information on publishing the
stream, see
What is streaming? .
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