MP4 to RM - Convert video online
Conversion Results:
| # | Output File | Source File | Action |
|---|
How to convert MP4 to RM:
1. Click the "Choose Files" button to select multiple files on your computer or click the "URL" button to choose an online file from URL, Google Drive or Dropbox. The source file can also be audio format. Video and audio file size can be up to 200M. You can use file analyzer to get source video's detailed information such as video codec, duration and bitrate.
2. Set target video format, bitrate, aspect ratio, frame size and frame rate. All audio streams will be removed if the "Mute" option is checked. The target video format can be MP4, AVI, FLV, MPG, MKV, WMV, M2TS, WEBM, ASF, MOV, M4V, RM, VOB, OGV or GIF.
3. Click the "Convert Now!" button to start batch conversion. It will automatically retry conversion on another server if one fails, please be patient while converting. The output files will be listed in the "Conversion Results" section. Click icon to show file QR code or save file to cloud storage services such as Google Drive or Dropbox.
MP4 vs RM:
| Name | MP4 | RM |
| Full name | MPEG-4 Part 14 | RealMedia |
| File extension | .mp4, .m4a, .m4p, .m4b, .m4r, .m4v | .rm, .rmvb |
| MIME | video/mp4 | application/vnd.rn-realmedia |
| Developed by | International Organization for Standardization | RealNetworks |
| Type of format | Media container | Multimedia container format |
| Introduction | 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. Like most modern container formats, it allows streaming over the Internet.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. Like most modern container formats, it allows streaming over the Internet. | RealMedia is a proprietary multimedia container format created by RealNetworks. Its extension is ".rm". It is typically used in conjunction with RealVideo and RealAudio and is used for streaming content over the Internet. Typically these streams are in CBR, but a container for VBR streams, named RMVB, has been developed. |
| Technical details | Most kinds of data can be embedded in MPEG-4 Part 14 files through private streams. A separate hint track is used to include streaming information in the file. The registered codecs for MPEG-4 Part 12-based files are published on the website of MP4 Registration authority (mp4ra.org). | Support of RealMedia is available in a few multimedia players for different architectures/platforms, including RealPlayer, the Real Alternative codec pack and the open source DAP firmware Rockbox. |
| Associated programs | Windows Media Player, RealPlayer, MPlayer, Media Player Classic, VLC Media Player, K-Multimedia Player | RealPlayer |
| Sample file | sample.mp4 | sample.rm |
| Wikipedia | MP4 on Wikipedia | RM on Wikipedia |