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Audio) raw duration field, Audio) delay field, Positive delay – EVS GX Version 1.00 - February 2011 User’s Manual User Manual

Page 58: Example, Udio, Uration, Ield, Elay

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Issue 1.0.C

GX server – Version 1.0 – User’s Manual

EVS Broadcast Equipment – February 2011

52

Video Raw Material

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GX Clip IN

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GX Clip OUT

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Audio Raw Material

GX Clip

GX Clip Playout

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OUT FIELD

(Video)

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OUT FIELD

(Audio)

GX Clip

Audio OUT

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GX Clip

Video OUT

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(A

UDIO

)

R

AW

D

URATION

F

IELD

The audio Raw Duration field gives the total duration of the audio raw material

used in the GX clip. This field is not editable.
This duration field does not take into account the following elements:

the start timecode for the GX clip, defined in the IN field

the end timecode for the audio track of the GX clip, defined with the audio

OUT point

(A

UDIO

)

D

ELAY

F

IELD

The audio Delay field gives the delay in the playout, in ms, applied to the audio

track. The delay can be positive or negative. Examples are provided for positive

and negative delays.

Positive Delay

If the delay is positive (this means the audio track starts after the video track),

silence matching the delay duration will be inserted before the start of the audio

track.

Example

In the following example, a positive delay of 10 milliseconds has been defined.

Silence will be added from the GX Clip IN point for the length of the delay. The

audio track will then be played normally until the audio track OUT point.