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Questions tagged [sync]

Abbreviation for synchronization

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Video and Telemetrics not in sync

I've recorded a video with Raspberry Pis Camera Module. On top of that I've recorded GPS data including the GPS Timestamp and made my own data file. Using Dashware I've tried to get the video and ...
Daniel's user avatar
  • 131
3 votes
1 answer
2k views

Setting timecode in Premiere Pro by using file creation date of clips

I have filmed a small rock concert with 4 cameras. One of the cameras was filming short sequences (about 3 mins Clips), then paused for a few minutes and than resumed. Now it is quite a lot of work ...
slartidan's user avatar
  • 131
2 votes
2 answers
2k views

FFmpeg: Align Video & Audio of Desktop Capture

I am using FFmpeg's built-in gdigrab & dshow to record the display & audio of my system. I am encoding to uncompressed H.264/AVC video & uncompressed PCM/WAV audio. I had been having two ...
AntumDeluge's user avatar
2 votes
0 answers
877 views

Is there a container format in ffmpeg that supports non-monotonous timestamps?

I have recorded over-the-air digital TV broadcasts from my own antenna. Due to reception blips, the MPEG-TS file can have corrupted packets, and thus corrupted timestamps, in the middle of a ...
acker9's user avatar
  • 131
2 votes
0 answers
47 views

Synchronize Video / Audio with different numbers of audio channels

I have a main video recording and audio recordings from 2 phone-based lav mic's. One subject's lav recording has 2 audio channels and the other has 1. (The video also has 1 audio channel) I can ...
evn's user avatar
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2 votes
0 answers
1k views

How can I mux video and audio from separate sources that're at different frame rates?

I'm having trouble muxing the video from one source with the audio from another because the audio drifts over time. As I mentioned in the title, the sources are at different frame rates, the video's ...
Rapta's user avatar
  • 21
2 votes
0 answers
319 views

HyperCam2 video out of sync, ffmpeg throws video out of bounds

I've recorded my over 2h presentation using HyperCam2 but output video is totally out of sync with audio. It looks like video is 2x faster than audio so I have 'Thanks for watching' slide in the ...
veeroo's user avatar
  • 21
2 votes
0 answers
437 views

recording multiple video feed with timecode/genlock in sync with motion capture system

So, I am looking into recording 2 HD video streams, as reference for our mocap studio. The thing is that I don't know much about video gear, and it must be fairly cheap. I have asked Vicon (mocap ...
SebO's user avatar
  • 21
2 votes
0 answers
211 views

segment does not contain sync frame

Whenever I split a video using Apple's mediafilesegmenter, using the following command: medifilesegmenter video.ts -t 10. I get the following error for each segment except the first: segment does not ...
Jap Mul's user avatar
  • 121
1 vote
1 answer
65 views

How to be sure of the FPS needed for any given export?

Sorry, my question is not very well put out but I have trouble understanding my own problem. I'm currently working on a music video project where I need to put green screened actors in a CGI scene. ...
the meedows's user avatar
1 vote
0 answers
575 views

How to sync audio with kmsgrab video stream?

I am trying to sync audio from the pulse stereo output with the video from kmsgrab. If I use the video stream as stream one the video is choppy. The command that works best a the moment is: ffmpeg -...
Stephen Rogers's user avatar
1 vote
0 answers
15 views

Seeking for advice with dealing with out of sync audio

I have a bunch of videos from games caputured with NVidia's Share. They are trimmed using VLC. I have one video that is 1 minute and 38 seconds long (a lot longer then the others). If I play it in VLC ...
clankill3r's user avatar
1 vote
0 answers
125 views

How to compare the audio/video synchronization in video clips?

I have two video clips of the same music video. Both are made of the same video and audio tracks but of different sources and quality. One of them is a rip from an officially released media, so the ...
Greendrake's user avatar
1 vote
0 answers
242 views

Adobe Encoder Desyncs Video/Audio (MTS to MP4)

I've been trying to transcode an MTS (recorded on a Panasonic) to MP4 with Adobe Media Encoder. The audio/video has consistently gone out of sync. I've matched the source, gone over all the settings, ...
eybmv's user avatar
  • 11
1 vote
0 answers
184 views

How to sync drifting audio(s)?

One audio source is the camera, (its sound is more for reference 'cause the distance is approximately 10 meters from the source). The second audio source is a mixing table getting mics. The total ...
Sandburg's user avatar
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1 vote
0 answers
341 views

project 3 separate videos synchronized

For an art installation I need to set up a synchronized projection of 3 separate videos: hardware 1 PC with Windows 7 NVIDIA GeForce GTX 980 with 4 simultaneous outputs 3 projectors 1920 x 1080 (I ...
user3384674's user avatar
1 vote
0 answers
1k views

Audio drift after uploading to YouTube?

I recorded myself playing some games and then uploaded the videos to youtube. I noticed that after youtube finished all processing and made multiple resolutions available that the audio and video ...
Jason Dagit's user avatar
1 vote
0 answers
261 views

How to sync the dubbed audio to make a dual audio .avi

I have a show with the original audio, XviD encoded with mp3 in a .avi. The local TV has started broadcasting the show with the dubbed audio. I captured some of the shows off of the TV broadcast, ...
mir.moezi's user avatar
  • 141
1 vote
0 answers
36 views

iPhone 5s and Premiere Pro Cs6

Using an iPhone 5s to film short talks, I run the video files thru Handbrake to settle sync issues that arise when I upload videos into Premiere Pro Cs6. Unfortunately, this does not fix the problem, ...
Laurel Hope Bader's user avatar
1 vote
0 answers
1k views

FFMPEG Sync Audio & Video From Pi Camera & USB Microphone

Posted this in the Raspberry Pi community, but it got closed for being off topic. Reposting in the hopes that it is now in the right place. I am trying to stream low-quality audio & video from my ...
Markus's user avatar
  • 111
0 votes
0 answers
11 views

Galaxy A03s Not Recording at 30 FPS Constant - Mouth Movement and Audio Out of Sync

I have an unlocked Samsung Galaxy A03s [1]. Per the Samsung website, it's supposed to be specked at FHD (1920 x 1080)@30fps. Unfortunately, I almost never get it to actually record at 30fps constant. ...
Shawn Eary's user avatar
0 votes
0 answers
9 views

How to synchronize multiple Video Clips based on background music

I’m working on a dance video project where there are multiple clips of people dancing to the same song. I want to synchronize these clips so that they match the beats of the music. How can I achieve ...
Tschareck's user avatar
  • 530
0 votes
0 answers
37 views

Downloading an HLS stream: ONLY in sync when downloading with ffmpeg. Possible explanations?

I'm trying to download a livestream that is just a plain hls with no encryption. I usually use streamlink, but this site I'm trying to use recently doesn't output a correct video/audio synced output ...
R.JEON's user avatar
  • 1
0 votes
0 answers
74 views

Synchronize 2 IP camera RTSP Streams

So we have 2 IP camera RTSP streams that we are saving to disk. At some point we stop the recording on both streams and go back to N frames in each video. The problem that we are facing is that the ...
Marib Sultan's user avatar
0 votes
0 answers
13 views

Can't understand the synchronise function for SMPTE/Vegas

I've tried to understand how to manage SMPTE sync in Vegas. For that, i've generated and recorded one SMPTE track in a dawn, then i've cut some part of it at various time, export it as wav file and ...
user42045's user avatar
0 votes
1 answer
366 views

Some parts have audio out of sync after a master export

I have a project in Final Cut Pro X, that plays as I expect in the Final Cut, but when I export in to h264 there is a part where audio is playing slightly in before the video. Such part is present on ...
Uko's user avatar
  • 111
0 votes
0 answers
544 views

Audio and video out of sync after hstack/amerge

I am using ffmpeg to combine two videos in one side-by-side. This is a recorded 1:1 video-call (WebRTC); each stream recorded separately by the media server. I've come up with this command, which ...
ameotoko's user avatar
0 votes
0 answers
69 views

Post-production editing audio/video out of sync

I am trying to add two videos using ffmpeg and the output video/audio is out of sync (and fast forwarded). Goal is to put intro.mp4 before the original file clip.flv My approach is to Change the ...
invider's user avatar
  • 101
0 votes
3 answers
1k 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 ...
L4ucky's user avatar
  • 1
0 votes
0 answers
624 views

Is there command line software that syncs two audio tracks

I have a bunch of separately recorded audio and video tracks that I need to sync. By sync (synch?) I mean align the two tracks so that the audio matches as closely as possible. The two tracks are ...
stib's user avatar
  • 13.7k
-1 votes
1 answer
23 views

Absolute Beginner Looking to Produce a Primitive Music Video

I am a total beginner to video. I don't even know what kind of camera I'll be using. (I'll have to borrow one.) I am just looking for an overview of what the general process will look like. I have ...
nothingIsMere's user avatar