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  • How do I convert MP4 to OGV while still retaining the same quality . . .
    ffmpeg -i input mp4 -c:v libtheora -q:v 7 -c:a libvorbis -q:a 4 output ogv You'll have to fiddle with the q values for video and audio if the result's not acceptable Lower values are better but produce bigger files For libtheora, it's the opposite - higher values are better Range is 0-10
  • b站的ogv是什么意思 - 百度知道
    演示机型：华为MateBook X 系统版本：win10 APP版本：哔哩哔哩6 22 5 ogv是html5中的一个名为Ogg Theora的视频格式，起源于ogg容器格式。ogv影片格式需要由ogg容器格式说起，Ogg是一个自由且开放标准的容器格式，由Xiph Org 基金会所维护。Ogg格式并不受到软体专利的限制
  • b站的ogv是什么意思 - 百度经验
    ogv是html5中的一个名为Ogg Theora的视频格式，起源于ogg容器格式。ogv影片格式需要由ogg容器格式说起，Ogg是一个自由且开放标准的容器格式，由Xiph Org 基金会所维护。Ogg格式并不受到软体专利的限制，并设计用於有效率地串流媒体和处理高品质的数位多媒体。
  • How do I trim OGV files without re-encoding? - Super User
    recordmydesktop -o file ogv --full-shots --device=default The problem is that it saves Theora video and Vorbis audio in OGV container There are no alternatives I can use My problem is that I end up with a some time before and some time after the desired recording time That is, the time I spend setting up, and cleaning up I want to remove
  • Command line to convert OGV to MP4 video files - Super User
    It will output a file called out ogv but it needs to be transcoded before you can put it in Google Docs: Transcode the video to mp4: ffmpeg -i inputfile ogv outfile mp4 (may need to do sudo apt-get install ffmpeg first) Test it - sometimes the video and audio can get out of sync! Upload it as a file in Google Docs
  • conversion - Convert MP4 to OGG (Video) - Super User
    ffmpeg -i input mp4 -codec:v libtheora -qscale:v 3 -codec:a libvorbis \ -qscale:a 3 -f ogv output ogv -qscale is required to keep a reasonable video and audio quality, otherwise the default is very bad, see also: How do I convert MP4 to OGV while still retaining the same quality using FFMPEG? Tested in Ubuntu 19 04, ffmpeg 4 3 1
  • Remove video Extract audio from Ogg Theora Video to Ogg Vorbis
    To extract audio from a ogv file you just: oggz-rip -c vorbis input_video ogv > output_audio ogg Or if you just want video and no audio: oggz-rip -c theora input_video ogv > output_video ogv (alternatively, the command could be oggzrip rather than oggz-rip, depending on your distro )
  • 手机如何播放ogv格式 - 百度知道
    1 在电脑上下载ogv格式的视频文件,或者在手机上下载,然后通过数据线传输到电脑中; 2 安装迅捷视频转换器,安装软件过程很简单,我就不多说了,安装完成后再 3 打开视频的存储位置,然后运行软件,用鼠标将需要转换的视频文件拖入软件中,我们也可以通过
  • How do I check the video bitrate of an Ogg Theora (ogv) video file?
    I've been sent an ogv file by a video company that's 4 times the file size of the equivalent MP4 file I suspect they've encoded it at way too high a bitrate, but I'd like to check for sure I'm on Windows 7 (64bit) but have other OSes (e g Mac OS 10 8 5) available too
  • ffmpeg: . ogv to . mp4 - audio video not synchronized - Super User
    I have a video in ogv and want to convert it to mp4 so I can upload it to youtube I am trying ffmpeg for it: ffmpeg -i * ogv -acodec libmp3lame -vcodec libx264 -crf 18 Windup-demo mp4 After conversion, the video is out of sync - the audio sounds ok, but the video seems to rush The original video is recorded using RecordMyDesktop, 5 frames





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