I'm in Big Sur this week shooting nature footage and my 305 fails to record audio every once in a while.

My clips run about 5 minutes each. I have a Sennheiser shotgun mike mounted, and monitor the audio through headphones and keep my eye on the level meter.

But every once in while, the audio does not record with the video. When I play the clip back--no audio.

Sometimes what will happen is that there is a short period of what sounds like static (hard to tell because I am recording surf in high wind conditions) and then the audio cuts out.

On some clips, no audio at all.

Anyone else run into this problem? Any fixes?

By the way, I did replace the mic battery when this first happened, and then replaced it again. But no change.

Audio problem occurs about every six or seven clips.

2 questions come to mind initially:

1. Do you get sound from the onboard mic at all?
2. Have you tried another attached mic?

Then of course the one that can trick anyone - have you accidentally left your audio attenuator on?

2 questions come to mind initially:

1. Do you get sound from the onboard mic at all?
2. Have you tried another attached mic?

Then of course the one that can trick anyone - have you accidentally left your audio attenuator on?

1. I get sound from the onboard mic and the Sennheiser. The failure to record to the CF card is intermittent.
2. Unfortunately, I do not have a second mic.
3. Thank you for the suggestion regarding the level limiter. I checked the menu and it is off.

Hoping someone has some suggestions regarding this intermittent audio problem.

And if u do special record-mode
u will get no sound to...

Anything can happend,
by playing with the buttoms..
i hope the best for that it is only a litle failure made by yourself ;-)

Bob,

You are obviously using the Sennheiser with a battery. What happens when you use Phantom power instead? I think that is even easier, because there is no need to turn the shotgun on or off.

Depends if the Mic will accept phantom but it is the next area I would look at - not the 1st time I have added a "new" battery which was bad.

Are you saying that you do get audio in the headphones, but it is not recording to the CF card while you did hear it in the head phones?

Old batteries may work briefly after a period of rest and then surprise you. I tend to have a fair number of batteries on hand, and every so often I find one that was removed form a piece of gear (or aged out) and found its way into the new battery drawer rather than the trash.

Bob, I too had the same intermittent audio problem. Eventually reset the 305 to factory defaults, then set it up again. No audio drop out since...
I believe my case may be due to shooting at sea mostly. Salt gets everywhere - & we all know how good that is for cameras!

Does the audio cut-out at a similar visual "cue"?

G