Cobalt Digital COMPASS 9223-SA Dual-Channel 3G_HD_SD MPEG-4 Encoder Unit - Manual (Page 62)

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9223SA-OM (V2.0)
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Video Buffer %, Audio Buffer %: The encoder has separate buffers for audio and
video. These buffers are used to temporarily store the bitstream if there is no enough
network and/or server bandwidth. However, if this situation persists, the buffers start to
fill up. These indicators report the current state of the buffers. If they overflow, data is
dropped. Ideally, these buffers should stay empty (close to 0%).
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Dropped Packets: If the buffers overflow, data is dropped. The encoder will drop entire
access units (an audio block or a video frame). This indicator has a count of the number
of access units dropped for the current connection. This count resets when a new
connection is established.