Questions tagged [video-recording]

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Fixing MDT file from Panasonic camcorder

When Panaconic videocameras are abruptly interrupted while recording, the video is on the SD card as .mdt. It's supposedly a video stream without a header and a footer. How can I convert this to be an ...
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6 views

Audio/Video “Drift” on Mac (even when recording them using separate apps)

I have an older version of Screenflow (ver 6.x) and I find that it's getting so that my videos are falling out of sync with the audio (only noticed this lately, not sure if it is tied to newer ...
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23 views

Transcoded video become shorter (playback length) and plays at double speed

Currently I am doing a project where I am recording live video (720p25) with a video capture card (stretch card). This live video feed is recorded into a 3rd party proprietary video recording software....
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1answer
29 views

How to automatedly synchronize video recording with pre-recorded music track?

When they film music videos ---ones that require the artist to lip sync in cooordination with a pre-recorded song--- do they synchronize the moment that the cameraman hits the record button on the ...
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28 views

Are there video motion tests (to point camera at) to assess encoder settings, rates, etc? (currently working in OBS)

I want to measure the appearance quality of motion against a variety of OBS settings in a talking heads video. What is a good way to test for motion in a video recording/capture running 15-60 minutes? ...
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9 views

Beginner: screen capture on Vegas Pro 17 yields static

So, I am a beginner at Vegas pro 17 (version through Steam) and am trying to get the Screen Capture function to work. I added a picture because I don't exactly know how to describe what is going on. ...
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34 views

VLC doesn't play mp4v video converted with VLC to h264/h265

VLC reports the original video as: Codec: MPEG-4 Video (mp4v) Video resolution: 8192x8192 Frame rate: 7.549296 I am using the Convert / Save option to convert the video using the following profile: ...
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32 views

How to convert Fast Mpeg 4v2 (mp4v) with ffmpeg

I have problem with ffmpeg properly recognizing a video encoded with Microsoft Fast Mpeg 4v2 codec. Apparently it's a software codec. VLC plays the video fine. The codec reported by VLC is: Codec: ...
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1answer
33 views

How can I generate voice as someone elses voice?

I dont know if its possible but I would like to create voice similar to Gandalf from Lord of the rings. Is there some app or program which can help me? I know that I can use google translator but it ...
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1answer
14 views

Software or method to detect sequences of non-black frames in a long video

I have a large video file (about 6 hours long), it's a record from surveillance camera, the camera itself has no illumination features, though surveiled area has pretty good light which is triggered ...
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1answer
14 views

Seeking Boroscope capable of focal lengths from 24 to 48 inches

Most boroscopes (tiny mobile cameras) are designed for short focal lengths, like a few inches (think: drain pipe inspection). The boroscopes that claim long focal lengths cite up 16 inches. That's ...
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38 views

Is a TBC required for converting VHS home videos to digital format?

This is a follow-up question to this one. The DigitalFAQ forum, whose members seem to know a lot about this particular topic, say about TBCs: You must have some form of TBC, it's not optional. You ...
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12 views

Video conferencing/chat app with local recording?

I want to make an interview with someone somewhere without good equipment and connectivity. People usually have good enough smartphone for offline recordings, but I need to question them and then cut/...
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12 views

Record a part of screen with an exact size by QuickTime Player + iMovie

In Windows, I want to record a part of screen with an exact size: 1366x768. The recording quality of QuickTime Player is pretty good, but I cannot find where to specify the exact size 1366x768. ...
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1answer
49 views

How do I improve sharpness of foliage and distant objects during video recording?

Lately I have tried recording some video using my old Canon. While I achieve decent results during macro shots and while filming human beings, I have noticed that foliage and distant objects in wide ...
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2answers
14 views

video bad resolution it stuck in some frames [closed]

I try to design video that include phone screen recording. the phone recording is good resolution out after effects when i add it to after effects it's stuck in some frames and it seems bad resolution!...
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13 views

re; using 2 i-phones simultaneously in adjoining rooms for video input to macbook pro

I would like to 'overlay' two individual video feeds from two i-phones (with individual audio feeds from each person via XLR cable) to an existing video so as to stream both the prerecorded video as ...
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1answer
22 views

Recorder for 2 HDMI Signals into MP4/MKV with 2 Video Tracks

Is there something like the Atomos Ninja V, but with two HDMI inputs and producing MP4 or MKV files with two video tracks? A combination of multiple devices (mixer, recorder) would also be fine.
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2answers
2k views

How to record with low file size in OBS

I downloaded OBS to try to record some online lectures with low size. I tried some other software already, but the file sizes and quality were too high. I'm trying to keep the file size as low as ...
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11 views

Backup methods for fixing corrupted video

I have installed the OSB Studio and some times when i am recording video the OS hangs and i turn off the PC by pressing the power button restart PC by this way, in this situation the video file is ...
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2answers
37 views

How to create a educational video by only using your voice and some photos

I would like to create some educational videos in which I will use only my voice and some photos/text headlines, notes etc. on my Mac computer. I am aiming at creating videos that are as much as ...
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2answers
46 views

How to put your GPS track in a video?

I am about to start a channel on YouTube. There will be occasions that I will drive while recording my path with an indoor (inside car) camera. I thought that it could be great if I put a tiny square ...
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36 views

Recording a lecture, mirroring Ipad to Windows PC

I would like to record a lecture for my maths students. I want to write it on my Ipad (in goodnotes), mirror Ipad on my PC laptop, and use OBS on my PC to combine the image of the Ipad with the input ...
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2answers
33 views

Preview Aspect Ratio on Camera LCD Screen

I am planning on shooting a short film with my DSLR (Nikon D5300). I want the film to be in 2.39:1 (1920x800), but my camera is recording in 16:9 (1920x1080). I wondered if there is any way to ...
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2answers
59 views

Merge multiple video files using ffmpeg by adding multiple compress options

I would like to merge multiple video files, performing in the same time complex compressing options. How can I do that? The following ffmpeg command resulting this error: Filtergraph 'scale=1280:...
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3answers
294 views

How to solve audio/video sync issue on my mp4 screenrecording?

I'm relatively new to video editing and struggling to solve a problem whereas the video (i.e my lips) is out of sync with the audio (i.e my voice). The beginning of the video is fine but by the end ...
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1answer
33 views

How do I record video on my computer using a (mirrorless) camera as the video source?

I want to record video on my computer using my Canon M50 as the video source. It's similar to how one might use a webcam instead of the camera integrated into their computer. The only difference is ...
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6 views

How do I draw something and then play the drawing process as a video using iPad Pro?

I'm trying to figure out how can I draw a scheme for a video tutorial and then play it with a voiceover. Something like this: I know, this is literally handwritten, ...
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17 views

Simultaneously play and record video

I am working on a large project that requires ~1000 people recording audio/video of themselves singing along with a guiding track (which itself is both audio/video), then the tracks will be stitched ...
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13 views

Testing if VCR supports S-Video by image comparison. Is it correct?

When I capture a video from my VCR (a Sharp VC-M401SM) with an S-Video cable connected to a SCART adaptor (like the one shown in this post) I obtain a gray-scale image. One possibility for this is ...
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15 views

Mix multiple video inputs from multiple locations into one output

I want to know if there is any software that can do screen capture of 2 or more laptops and produce an output that shows both screens side by side in 50:50 ratio and produce an output that is ...
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1answer
23 views

How do I make video tutorials of someone(s) working through a website on their computer?

The trivial way to solve this problem is just to screen record my computer, but I want it to look professional. I don't want unprescribed mouse movements. I want them to be direct and towards the ...
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203 views

Audio is corrupted after joining videos with ffmpeg concat demuxer

I've concat or joined four video files using ffmpeg concat demuxer The video has no problem. But on audio side I am greeted with a bunch of error when I tried re encoding the final video. Here is the ...
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2answers
961 views

Does using an S-Video output via a SCART connector improve the output quality of a VCR?

This answer reports that in order not to lose quality when digitizing VHS one should use an S-Video cable. My VCR is a Sharp VC-M401SM and does not have any S-Video output nor a composite output. ...
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0answers
31 views

Application specific screen recorder for Android

For windows, using OBS studio, I can record the screen of a particular application. If in between, I open another window, the recorder records only the selected window and not the window on top. But ...
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774 views

VLC can't play back when I try to connect it to the Ngix / HLS port in Windows 10

I'm trying to do HLS streaming with NGINX + OBS on WIndows 10 following this video tutorial on youtube : I don't know what's wrong with the configuration ,but VLC ...
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3answers
53 views

Prime or Zoom for Video (Micro Four Thirds)

I am looking to get a Blackmagic Pocket 4K. I know that you can do the EF conversion, and use Canon EF lenses, but I want to keep the cost down on my initial purchase. I am looking at either getting ...
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0answers
71 views

FFMpeg kmsgrab record pixels in incorrect order

ffmpeg -f kmsgrab -i - -framerate 60 -vf 'hwdownload,format=bgr0' -preset ultrafast out.mkv This is how a video frame should look like This is how it is recorded by ffmpeg https://drive.google.com/...
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1answer
60 views

Why I might get this high noise on Sony a7 III with Zeiss 24/70 f4 lens?

So I've tried to make a short New Year video and noticed, that I got noise at almost every level of ISO over 3000. And it is the kind of noise, that is impossible to work with. Am I getting ...
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2answers
324 views

Use android camera and usb mic on pc

Apologies in advance if this is a very noob question - I barely know anything about video production. I'd like to record video and use my fancy-ish USB microphone as the audio source. Unfortunately I ...
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32 views

Use wirecast and obs at the same time

I am new to video production and I would like to ask you if is it possible to use OBS and Wirecast at the same time. Is there a possibility of conflict or something? In my case, I have a Blackmagic ...
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3answers
76 views

Syncing Audio and Video

I have am doing a video recording podcast. I am recording the audio with Audacity with my 4 Shure mics hooked up into my Clarett 4pre USB. I am recording the video with OBS Studio a Cannon Vixia GF ...
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2answers
399 views

How to go about making educational videos of handwritten instructions on a digital pad, where the hands won't be included in the videos?

How do we use a digital board/pad to make pre-recorded (not live) YouTube videos of the handwritten instructions, so that hand(s) wouldn't be visible in the videos, but you'll actually use your hand (...
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1answer
38 views

How to remove steady video frames from 24/7 video?

I have a surveillance camera video backup that works 24/7, and I need to store it for the record and ready to use if any checking is needed. (No Business usage just personal) So I want a tool/...
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1answer
67 views

Remove deadair periods in video

I am doing a video recording for a powerpoint presentation, and sometimes I have some seconds of (idleness) during the recording (where there is no change in the presentation nor speaking audio). For ...
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1answer
30 views

How to record myself while not noticing myself?

I am using an Android Oreo phone. I would like to make a video of myself, but while I make it, I want the screen to go blank. This is so that looking at myself on the phone while I record will not ...
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1answer
31 views

Long distance, low light

I'm taking a video next month which will be in a dark conference room with a well lit stage. I need to set up a camera to video the presenter, but this year we have many more attendees, more tables, ...
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1answer
64 views

How to create YouTube home guitar demos from parallel taken phone video and professional recorded PC audio?

(please consider, I have zero video recording skills, neither know video editing software. What I know is no more than there are video/audio codecs, container formats, streams, and I also aware that ...
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1answer
277 views

Is there a way to screen record with 1000fps?

I'm looking for software that can screen record (windows 10) at 1000fps. I will record a game and want to take timings and I need 1000fps at least. I don't care if the game doesn't reach that 1000fps ...
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1answer
3k views

How to change start time using ffmpeg?

I am recording a live stream to .ts file. But when I run this file through ffmpeg using ffmpeg -i myRecordedFile.ts it gives me wrong start time which is way out of the range. For example, my file's ...

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