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Networked VGA Grid User Guide
Configure encoding (custom local channels)
Value
Description
This codec is comparable to MP3, and may have better sound quality with a similar
bit rate. Supported values are 16, 22, 44 and 48K kHz. Most digital signals (HDMI
or SDI sources) use 48 kHz audio.
Matching the encoded level with the source level provides the best sound quality
by avoiding audio resampling. For analog signals, 44 kHz provides higher sampling.
The maximum bitrate for mono encoding of a 44 kHz signal is 264 kbps. For stereo,
320 kbps is supported. Note that lower bitrates (e.g. 32 kbps) with a 44 kHz signal
may result in distorted audio.
MP3
MP3 provides a common audio format for audio storage.
Supported values are 22 kHz, 44 kHz and 48 kHz. Most digital signals (HDMI
or SDI sources) use 48 kHz audio. Matching the encoded level with the source level
provides the best sound quality by avoiding audio resampling. For analog signals,
44 kHz provides higher sampling.
Flash (FLV) doesn't support 48 kHz MP3 audio. When selecting this
value you'll need to use a media player (or install ASF browser plugins)
to preview your channel.
PCM
Pulse Code Modulation (PCM) is a standard for digital audio in computer and other
devices such as, digital telephone systems.
Most digital signals (HDMI or SDI sources) use 48 kHz audio. Matching the encoded
level with the source level provides the best sound quality by avoiding audio
resampling. For analog signals, 44 kHz provides higher sampling.
Flash (FLV) doesn't support 48 kHz PCM audio. When selecting this
value you'll need to use a media player (or install ASF browser plugins)
to preview your channel.
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