Audio
From CasparCG Wiki
Please note: This page currently only has information about version 1.8.
Please see Category:CasparCG_Server_2.0_pre-release for info about the CasparCG Server 2.0 alpha version.
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Sampling Rate
The preferred sampling rate of audio is 48 kHz which conforms with broadcast standards, however other sampling rates, such as 44.1 kHz (CD Audio) also work.
Limitations
Audio embedded in an FLV can currently only be encoded with 44.1 kHz sampling rate, meaning that it will not match the standard broadcast sampling rate of 48 kHz. For short sound effects, this shouldn't cause any real problems, but beware when using longer FLV videos with sound. An alternative solution would be the import the 48 kHz audio file into Flash as a separate audio file, and sync it to the silent video on the same timeline.
Bit Depth
Audio must be 16 bit.
Channels
Stereo is supported.
Output
With the DeckLink Consumer in CasparCG Server version 1.8, you can decide if you want audio output via HDMI, SDI or the audio jacks.
With the Fullscreen Consumer in CasparCG Server version 1.8, audio is played via the regular audio output of the machine.
With the Bluefish Consumer in CasparCG Server version 1.8, audio is played via the regular audio output of the machine. In CasparCG Server 1.8.1, the Bluefish Consumer will have an "Embedded SDI Audio" option.
