SYNC­ING AU­DIO FOR VIDEO

Noth­ing feels more un­nat­u­ral than watch­ing video that is out of sync with the au­dio, but qual­ity au­dio means in­cor­po­rat­ing an ex­ter­nal au­dio source. Read on to find out just how to get all your feeds per­fectly in sync.

HWM (Singapore) - - LEARN - by Mar­cusWong

As good as the in-built mi­cro­phone on your DSLR is, you’ll prob­a­bly want to in­vest in a sep­a­rate au­dio recorder as you progress with your video ex­plo­rations.

That’s be­cause the recorder from your cam­era is likely to cap­ture ev­ery­thing that’s go­ing on when you’re record­ing, which may not be op­ti­mal for get­ting clear dialog from your main sub­ject.

A sep­a­rate recorder placed near to the speaker al­lows you to get fo­cused sound for clear au­dio, but in­tro­duces an ex­tra el­e­ment that you’ll have to deal with – sync­ing the two feeds so the au­dio matches the video.

USE A CLAP­PER OR SOME OTHER DE­VICE TO MAKE A LOUD SOUND JUST AF­TER YOU HIT RECORD

This way, the noise is cap­tured by both your cam­era and the au­dio de­vice at the ex­act same time. Do this for ev­ery take, and you’ll have an eas­ier time match­ing all the au­dio back later. (And more so if you’re us­ing mul­ti­ple cam­eras)

KEEP A TIME LOG OF WHEN RECORD­ING STARTS AND ENDS

If pos­si­ble, have some­one keep track of all the times you hit “record” and “stop” for the day, and add notes about each take so you know ex­actly which por­tion you’re look­ing to use. This is es­pe­cially handy if you fol­low the tip above and leave the au­dio on all the time, as you can just jump for­ward to the ap­pro­pri­ate seg­ment of au­dio by time.

LET THE AU­DIO STAY ROLLING AND ONLY PAUSE THE CAM­ERA

While video files are large, the size of au­dio is much more man­age­able and so you can prob­a­bly af­ford to leave your au­dio de­vices run­ning the en­tire time. This helps as you don’t have to worry about try­ing to si­mul­ta­ne­ously start both video and au­dio cap­ture, and later you can just play back the au­dio to the ap­pro­pri­ate point.

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