Questions tagged [video-recording]

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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
14 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
53 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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9 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
34 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
36 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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31 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
19 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
17 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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1answer
33 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
27 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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5 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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13 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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9 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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9 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
22 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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94 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
252 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
12 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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7 views

Can I create 60fps using only red and cyan images to prove a white-filled constant frame video?

I have tried this using 2 attached images and then feeding copies of them to ffmpeg but the result is full of flickering/strobe. I am missing something with either image creation part or with ffmpeg ...
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74 views

Fix Lagging Video in Screencast Recording

I just made two screencast recordings on my computer. One using Screencastify and the other using Loom. Both times the video starts lagging shortly in the recording -- by lagging, I mean that ...
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274 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
49 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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16 views

Is there a camera effect that can change the true color of a molten metal in daylight from true silvery into a true orange? [duplicate]

I have a theoretical question and i am thinking about aluminum specifically, since it due to low emissivity and high reflectivity, should appear silvery-gray in daylight conditions. When the metal has ...
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28 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
42 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
122 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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0answers
23 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
47 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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23 views

What are the best lenses for Blackmagic 6k video recording?

I'm planning to buy a Blackmagic 6k pocket cinema camera and record probably 4k videos and some 6k. I'm planning to record Salsa and Bachata dances in low light environments as well as daylight ...
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2answers
85 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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56 views

Using ffmpeg, I want to capture a livestream from a “Blackmagic Intensity Pro 4k” and convert to something that can be played in HTML

So, I am on a Windows 10 machine and I have a BMD card as described above in said machine. I need to take the video stream that's being captured by the card and make it visible in HTML. The issue is ...
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54 views

Canon Sl3: Can External Recording really be a higher resolution than internal recording?

Looking at the specifications for the Canon Rebel SL3 on B&H: https://www.bhphotovideo.com/c/product/1485098-REG/canon_3453c001_kit_eos_rebel_sl3_dslr.html/specs Under Recording Modes it states: ...
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1answer
28 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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23 views

Is there a screen recording software that can avoid background image during my recording?

I'm trying to find a screen recording software with a special feature. Suppose I want to write a very big equation or draw a complicated diagram or trace a transparent map. One of the possible ways is ...
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1answer
33 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
30 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
38 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
127 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
2k 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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1answer
61 views

Does rule of thirds apply to videos?

I recently learned about rule of thirds in my photography class and it's really cool. But how can I take this technique and apply it to a video?
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1answer
123 views

Sharpness of Canon 80d

I am trying to figure out the sharpness while shooting video with the Canon 80d. I find that the video kind of never appears to be in focus. If I take pictures of the same things the image quality and ...
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1answer
23 views

GoPro Fusion extended recording?

The Goal I am looking at purchasing a GoPro Fusion in order to record a group of people gaming. The games will last for between 3 and 6 hours. I'm looking at the fusion because of how very ...
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1answer
32 views

Premiere Pro: Multiple bit depths in same timeline?

all... I want to do a two camera shoot but one camera records 10-bit 4:2:2 and the other 8-bit 4:2:2. Can I put clips from both cameras on the same timeline in Premiere Pro? Thanks Steve
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1answer
511 views

Video quality degrades when uploading to YouTube with variable frame rate

So I use OBS (latest ver) to record my gameplay on Windows 10. OBS settings are: recording format: MP4 Recording quality: indistinguishable quality, large file size Encoder: Software (x264 low CPU ...
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1answer
33 views

How do you make video look natural?

I want the videos that I will shoot to feel natural and I don't know what I have to do. The research I did in the internet says aperture of our eyes are around F/8 in bright conditions and around F/2 ...
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2answers
61 views

Record video to timeline during playback

Is there a video editing software that allows you to record video from a tethered device (like a webcam) directly to the timeline while the project preview is playing back? This would basically be ...
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1answer
31 views

Automatic video stop on SDCX class 10 card

I' ve been recording clips with a Canon 80D and a Lexxar Profesional x633 SDXC card 64 GB class 10, 95 MB/s max read speed. Video format was MOV at 1080p, 25 fps. I never had a problem for almost a ...
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1answer
30 views

Cheap or diy lighting for video production

I am new into video production. I am a maker, I do a lot of electronic projects and write the step by step guides about it in several places of internet. From now I would like to make video about my ...

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