Audio Page - Cisco 3005 - VPN Concentrator - Gateway Operation Manual

C I SCO SYSTEM S, IN C.

Audio Page

When the video source is SDI, the encoder may optionally encode up to three WMA
audio streams from an SDI source. These three streams are stereo and are composed
of SDI audio channels 1 and 2 (stream 1), 3 and 4 (stream 2), and 5 and 6 (stream 3).
Check the Enabled box to enable encoding of a stereo channel.
When the video source is any of the analog inputs, only a single stereo analog stream
may be encoded.
Output Format
Use this setting to specify whether to encode audio using WMA or to pass through
AC3 audio. AC3 audio is only available in S5000 Series units and above.
Bit Rate
Choose from the list of available audio bit rates. The "odd" value bit rates (such as
191) indicate the use of the low delay WMA codec. If the output format is AC3
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