Random Constant Beeping Noise While Recording

[Drakul]

Hi,

I'm trying to record some gameplay footage in DosBox but randomly at some point in some videos there's a long beep (like a landline signal tone). It usually starts after a few minutes of recording and won't go away until the end.

I was recording an hour long video and the noise started around 6min in so now I have to record everything anew.
So far I've recorded maybe 6 videos and it's happened on the longer ones (16min and 56min) but I'm not sure if length is the issue since the buzzing starts around 5ish minutes.

[radi]

Could you post a video sample where this occurs?

[Drakul]

Could you post a video sample where this occurs?

What's best for you guys? wetransfer/dosbox the file or upload it to youtube?

[Drakul]

I posted a sample on youtube. http://youtu.be/epse_9H_tsk

The first part shows when the glitch starts.
The second part is from a quieter scene so you can hear the sound issue more clearly.

I recorded this in as such:
Active Screen
AVI
1080p
60fps

No perfect match
No multi-channel recording
No microphone recording

Sound ouput format is WAV
System sounds is System Default

Let me know if you need anything else

[radi]

Well, tbh I don't hear any constant beeping. Does this issue occurs with other games?

[Drakul]

Well, tbh I don't hear any constant beeping. Does this issue occurs with other games?

It's not a beeping per say (i.e beep! beep! beep!) it's a constant (beeeeeeeeeeeeeeeep....) akin to a signal noise from land line phones when you pick them up.
Are you telling me that in the second part of the video you don't hear a high pitched sound in the background??