Conditions for Alternate Channel AvailabilityAn alternate channel is available to replace the original channel (represented by the clip or portion of a clip selected on the Timeline) if all of the following are true:
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Both channels are part of a multichannel recording made simultaneously on one or more field recorders.
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Certain metadata matches between the original channel and the alternate channel.
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The metadata embedded during shooting and recording has been preserved prior to import into Pro Tools.With multichannel recordings from one or more field recorders, both channels must overlap at least once between their start timecode and end timecode positions, and must also meet one of the following conditions:
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Matching Shoot Date (applies only if Scene and Take contain any information for both channels)
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Alternate channel Sound Roll name matches current channel Tape name
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Alternate channel Tape name matches current channel Sound Roll name