I have a source video (created with Avidemux), where audio and video are perfectly synchronised. Lately I incurred in the following issues. Make sure to change the input file name.I use Avidemux since many years to edit videos and I am pretty happy with it. Use ffmpeg to encode your uncompressed video to H.264 video.Make sure to use "Copy" for both the video and audio formats, and save as AVI. Optionally use avidemux to cut the begining and end off your video.You can use the mute and unmute button to monitor your audio.Click the play button to record and stop when you're done.Open AmaRecTV and verify your video shows up fine.Software: AmaRecTV, FFmpeg, Avidemux (optional) It also takes more time since it requires a 2nd step to encode it to a more efficient format. This method uses significant disk space as it records to uncompressed AVI. Use AmaRecTV to capture, and FFmpeg to encode and deinterlace. recording.mp4 Set the output filename of our recording.-b:a 384k Set our audio bitrate to 384 kilobits/sec.-pix_fmt yuv420p Set our output format to YUYV 4:2:0, which is required for most video players.You can use -vf "yadif=0" instead to generate 29.97 fps video if you don't like the more fluid motion. -vf "yadif=1" Use the yadif deinterlacer and use interpolation to generate 59.94 fps video.-aspect 4:3 Set our aspect ratio to 4:3, which mostly all analog video uses.-c:v libx264 Set our encoder to x264, which encodes to H.264.-i video="Hauppauge Cx23100 Video Capture":audio="Hauppauge Cx23100 Audio Capture" Set our input sources.-pixel_format yuyv422 Capture in YUYV 4:2:2.-framerate 29.97 Use 29.97 FPS, for NTSC video.-video_size 720x480 Set our video side to 720x480, for NTSC video.-f dshow Use the DirectShow input format, for capture devices on Windows.Since you cannot see a preview I reccomend testing at least once before capturing the full thing. Running this command will start capturing right away.
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