Skip to main content
4 votes
Accepted

Can a MP3 file contain video frames?

Mp3 is audio only. The file extension can be virtually anything; if it's recognized as an extension known by Windows the associated program will be used to open it. The program will usually then read ...
bjelleklang's user avatar
3 votes

How do you sync two tracks of similar audio?

If you don't start with timecode, or even a 2-pop or clapper, I can't see any other way than lining it up by eye; finding a common beginning… then hoping they stay approximately in sync. I've never ...
Tetsujin's user avatar
  • 8,701
2 votes

What is the difference between headphone jack and line out on Zoom H5 Audio Recorder?

The H5 has an option to have the DB cut down from the line out out to the Camera, you can find this in the manual or on the Zoom YouTube channel for the H5
Adam Mann Pro's user avatar
2 votes
Accepted

What is the difference between headphone jack and line out on Zoom H5 Audio Recorder?

It's not a good idea, because the levels on both the line output and the headphone output are much too high for the camera mic input. If you were to turn the volume down on the headphone output, you'...
little_birdie's user avatar
2 votes
Accepted

Dummy load on TV video input with RCA jack?

The TV needs an actual video source to be detected. Simply terminating the input doesn't count. You need a video signal that has all the synchronization signals (which are detected) but the picture ...
Richard Crowley's user avatar
2 votes

How to isolate certain voices in video?

There is no way to do what you want. Human voice, no matter what voice timbre people have, is pretty much in the same frequency range. That said, you can at least filter out some of background noise ...
Hans Meiser's user avatar
2 votes

How do you sync two tracks of similar audio?

There are tools to do this kind of syncing in video editors. I am currently learning to use a free editor (not free source code though), Davinci Resolve. If you search for Multicam sync you will find ...
ghellquist's user avatar
  • 1,624
1 vote

Remove one voice from a video?

I'm afraid this is unlikely to be possible with current technology. In the past few years, removing a voice from a music track has turned from pipe-dream into reality, using machine learning ...
Tetsujin's user avatar
  • 8,701
1 vote

How to improve the audio quality in my YouTube videos?

Basic steps to getting good audio quality: Get an external mic. You've already done this. When you use the built-in mic in the smartphone while recording video, the distance between the mic and your ...
Hobbes's user avatar
  • 1,728
1 vote

Video As Audio?

I once tried recording a video signal as audio on a vhs tape, if you squinted at it you could make out the original image on things with sharp contrast, it obviously did not get the colour burst so it ...
Skamlox's user avatar
  • 11
1 vote

Can not remove hiss/hum

Sounds like you could benefit from a pre-amp of some sort to between the microphone and your camera. Your camera most likely takes a line level signal into the Aux jack. Here is an example of one way ...
Mike Rinehart's user avatar
1 vote

Can not remove hiss/hum

What type of cables are you using to connect your audio interface into your camera? Does it support TRS? TRS cables generally do a great job of eliminating noise. The issue could range from gain ...
George Byers's user avatar
1 vote

How to batch demux sound from videos to mp3 or aac

As leftaroundabout said, use ffmpeg (or avconv - the one is forked off the other). It is command line based, which makes it useful for batch operations. On my Linux box the batch command would be ...
TresPaul's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible