top of page


Jack Brooks
Jack Brooks

1 (40).mp4

The .aac extension is used for AAC in the ADTS container, which is not a format that is widely used or supported on the web. The .m4a or .mp4 extension is used for AAC in the MP4 container, which is far more common.

1 (40).mp4

Accessing Aviation Forecasting Resources Utilising Satellite Data on our Regional Focus Group Meeting Archive (facilitator Mr Bodo Zeschke BMTC) 30 minutes duration (32Mb .wmvfile) (60Mb .mp4file)

A Weather and Forecast Discussion (Mr Bodo Zeschke BMTC) 24 minutes duration (26Mb .wmv file) (50Mb .mp4 file)Two short case studies, showcasing the application of satellite data and data products:

Please download the following resources prior to the session. Note that there are four animations embedded within the PowerPoint slide. For some computers the animations do not all work. In that case please examine the .wmv and .mp4 files

The .flv files are a bit bigger (1.22% more, more or less). Then, should I download the .mp4 videos instead of the .flv, given that if they are the same video, the extra size of .flv doesn't mean better quality?

I am no expert but do understand codecs, bitrates, formats etc. and usually have pretty good results when exporting footage. However, today I was editing a webinar which is basically screenshots and voice over. The source file (.mp4) is about 40MB but when exporting the file size jumps to 3+GB when using .h264 codec and matching the source file.

Is there any way Power BI/Powershell can export .mp4 file-related data from OneDrive for business and SharePoint Online so as to look at the metadata of the Teams Meeting Recording .mp4 files which can be differentiated from non Teams Meeting recording files? Thanks in advance!

1.Teams meeting recordings' [Sharing] column is automatically displayed as Shared (share with people who joined in this meeting), and (non Teams meeting recordings) .mp4 files are Private by default unless you specify whom to share to.

MPEG-4 Part 14 or MP4 is a digital multimedia format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. MP4 allows streaming over the Internet.The only official filename extension for MPEG-4 Part 14 files is .mp4, but many have other extensions, most commonly .m4a and .m4p.

When inspecting sample.mp4 file's binary data using any Hex Viewer, like Active@ Disk Editor we can see it starts with a signature ftyp (hex: 66 74 79 70) at offset 4, which defines QuickTime Container File Type.

#3. Video file extension: File extension is what you see from a file name in the form of .xx, for instance, .mp4 and .mkv. It reveals which video container is used to store digital information.

MP4 can store data of all sorts ranging from digital audio and video to subtitles and still images. But note that .mp4 is not the only extension for it. .m4a stands for the audio-only file in MP4 and .m4v for the DRM video in MP4. Generally, MP4 uses MPEG-4 for video compression and AAC for audio compression. With the rapid growth of the coding algorithm, MP4 supports more modern codecs. To make sure whether MP4 is the best format for you, you should check the compatible MP4 codecs.

Generally speaking, most video formats are compatible with PowerPoint 2013, 2016, and 2019. If you are using PowerPoint 2010 or 2007, videos contained in .mp4 format are not allowed to be played in it. The most recommended formats are AVI, WMV, ASF, and MPG.

When the desired frames have been saved, the next step is to specifythe movie Output file name/location and Output format: MPEG-1 [.mpg] MPEG-2 [.mpg] MPEG-4 [.mp4] AVI MSMPEG-4v2 [.avi] Quicktime [.mov] (default, unless a presethas been chosen)Clicking Make movie initiates theprocess of encoding the saved frames into a movie file. Duringencoding, the button changes to Cancel movie, whichcan be clicked to halt the process.When the movie is fully assembled, a reset will occur unless Reset after encode has been turned off.

Is it possible to calculate/estimate the storage space a certain duration of .mp4 video files will take up? I have the resolution (eg. 4000 X 3000), the format (H.264 or H.265), the audio format (AAC) and the sample rate (41 000 Hz). 041b061a72




bottom of page