I see you figured out the following and edited your question but, in case it helps you or others: Absence of icon = standard track (which is a 'stereo' track). There are different pan/gains applied for mono source in standard/stereo timeline tracks and stereo source in mono timeline tracks. See notes below Audio gain can also be applied via clip mixer / clip gain and (this is a major gotcha for inexperienced in premiere editors) the track mixer. Best practice is to not use a PP sequence template but to create your own & have everyone use that, for consistency. Heres my notes on sequence 'master' modes: SEQUENCE AUDIO MASTER MODES: Mono - 1 output only - no pan, no assignment, no mapping Stereo - 2 outputs only - LR pan - no assignment - mapping to 2 inputs to 2 outputs on adaptive tracks Multichannel - 1 to 32 outputs - LR pan - assignment of mono/stereo to 16 pairs (even when only 1 output) - mapping n inputs to n outputs on adaptive 5.1 - 6 outputs only - no pan - no assignment - mapping 6 ins to 6 outs on adaptive tracks And Heres my notes on sequence 'track' modes: AUDIO TIMELINE TRACKS: Mono - Take mono (unity), stereo (centre pan -6dB) can be panned and MC assigned Standard - Take mono (centre pan -3dB), stereo (unity) can be balanced and MC assigned Adaptive - Take mono (centre pan, unity), stereo (unity), adaptive Allow INPUT mapping (e.g. Front Left to all 4 tracks) Allow OUTPUT mapping of that track (e.g. 1 to 1,5 &12, 2 to none) BEWARE have seen summing of previous material also NB - Adaptive tracks have the same number of channels as its sequence - can be mapped, balanced and MC assigned 5.1 - Take 5.1 only ensure sequence audio tracks are 'adaptive' for stereo or multichannel. - REALLY? I think they can be Stereo and less complicated LR pan on multichannel inputs is amount of input passed through
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