Audio Digital Aux Synch

hello

when record guest speaker @ our non profit using canon mini-dv camcorder record lecture using sony digital recorder. in case camera fails, power outage, unexpected. should have original film , digital audio backup asset.

i have 1 hour talk. happened wireless microphone , spiked , random loss of connection have several inconvenient gaps here , there on timeline.

 

what attempted use digital audio in place of film audio track.

i inserted digital audio on timeline. @ beginning speakers addressing group , both audios (film , digital) synched. digital audio stretching out along timeline losing synch film plays.

 

at end speaker ‘that should it, thank you’ , matches film audio track. digital audio ‘that should it, thank you’ has ‘stretched’ out @ least full minute , longer. same audio - word word - digital did stretch.

 

is there method snap digital audio film have complete synch beginning end? if use digital audio bad audio glitches removed.

let me know

thanks!

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