RZ MP4 Converter, Convert all popular video files, such as: Avi/MP4(MPEG-4), Divx/Xvid/H.264,
Mkv/Mpg(Mpeg-1,Mpeg-2)/Wmv/Rm/Rmvb/Mov/Vob/Flv/OGG/ASF etc. to MP4(MPEG-4/AVC/H.264) video and M4A audio!
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RZ MP4 Converter - Converts all popular video to mp4(MPEG-4) files!
  • Convert all popular video files, such as: AVI, MP4(MPEG-4), Xvid, DivX, H.264, MPG(mpeg-1, mpeg-2), mkv, WMV, MOV, RM, RMVB, 3GP, flv(flash file, Youtube video file), ASF, OGG, vob, DVD, etc., to mp4(MPEG-4) files.
  • Extract audio track from all popular media files, and then save to M4A, AAC.
  • Convert all popular audio files (MP3, M4A, AC3, AAC, OGG(Vorbis), WMA, AMR, FLAC, RA, etc.) to m4a, aac.
  • Our High Performance and High Quality Convert engine, offer the best video/audio quality.
  • Offer pre-defined mp4(MPEG-4) file templates, easily converts all popular video files to mp4(MPEG-4) files.
  • Merge multiple video files to one MP4 files.
  • Cut/Split large video files into smaller pieces MP4 files.
  • Download RZ MP4 Converter Buy Now - Only US$19.90 Compare RZ Video Converter Series
    MP4 is a multimedia container format standard specified as a part of MPEG-4. It is most commonly used to store digital audio and digital video streams, especially those defined by MPEG, but can also be used to store other data such as subtitles and still images. Like most modern container formats, MPEG-4 Part 14 allows streaming over the Internet. The official filename extension for MPEG-4 Part 14 files is .mp4, thus the container format is often referred to simply as MP4.
    Some devices advertised as "MP4 players" are simply MP3 players that also play AMV video and/or some other video format, and do not play MPEG-4 part 14 format. To the makers of these players, the "MP4" designation simply means that they play more than just MP3. This can become rather confusing for potential buyers.
    MPEG-4 Part 14 is based upon ISO/IEC 14496-12:2005 which is directly based upon Apple’s QuickTime container format. MPEG-4 Part 14 is essentially identical to the MOV format, but formally specifies support for Initial Object Descriptors (IOD) and other MPEG features.
    The existence of two different file extensions for naming audio-only MP4 files has been a source of confusion among users and multimedia playback software. Since MPEG-4 Part 14 is a container format, MPEG-4 files may contain any number of audio, video, and even subtitle streams, making it impossible to determine the type of streams in an MPEG-4 file based on its filename extension alone. In response, Apple Inc. started using and popularizing the .m4a file extension. Software capable of audio/video playback should recognize files with either .m4a or .mp4 file extensions, as would be expected, as there are no file format differences between the two. Most software capable of creating MPEG-4 audio will allow the user to choose the filename extension of the created MPEG-4 files.
    While the only official file extension defined by the standard is .mp4, various file extensions are commonly used to indicate intended content:
    • MPEG-4 files with audio and video generally use the standard .mp4 extension.
    • Audio-only MPEG-4 files generally have a .m4a extension. This is especially true of non-protected content.
      • MPEG-4 files with audio streams encrypted by FairPlay Digital Rights Management as sold through the iTunes Store use the .m4p extension.
      • Audio book and podcast files, which also contain metadata including chapter markers, images, and hyperlinks, can use the extension .m4a, but more commonly use the .m4b extension. An .m4a audio file cannot "bookmark" (remember the last listening spot), whereas .m4b extension files can.
      • The Apple iPhone uses MPEG-4 audio for its ringtones but uses the .m4r extension rather than the .m4a extension.
    • Raw MPEG-4 Visual bitstreams are named .m4v.
    • Mobile phones use 3GP, a simplified version of MPEG-4 Part 12 (a.k.a MPEG-4/JPEG2000 ISO Base Media file format), with the .3gp and .3g2 extensions. These files also store non-MPEG-4 data (H.263, AMR, TX3G).
    The common but non-standard use of the extensions .m4a and .m4v is due to the popularity of Apple’s iPod, iPhone, and iTunes Store, and Microsoft's Xbox 360 and Zune. Without mods, Sony's PSP can also play M4A. M4A generally delivers better audio quality than the older MP3 format at the same bit rate.
    Almost any kind of data can be embedded in MPEG-4 Part 14 files through private streams; the widely-supported codecs and additional data streams are:
    • Video: MPEG-4 Part 10 (or H.264, also known as MPEG-4 AVC), MPEG-4 Part 2, MPEG-2, and MPEG-1.
    • Audio: AAC (also known as MPEG-2 Part 7), Apple Lossless, MP3 (also known as MPEG-1 Audio Layer 3), MPEG-4 Part 3, MP2 (also known as MPEG-1 Audio Layer 2), MPEG-1 Audio Layer 1, CELP (speech), TwinVQ (very low bitrates), SAOL (MIDI).
    • Subtitles: MPEG-4 Timed Text (also known as 3GPP Timed Text).
    RZ Video Converter - total solution of converting video files, an all-in-one, most powerful and cost-effective video file converter for you.
    Provide the total solution of converting video files, it is an all-in-one video converter software that convert video files from one format to another, and extract audio tracks from video, support all video/audio format, including AVI, MP4(MPEG-4), Xvid, DivX, H.264, MPG(mpeg-1, mpeg-2), mkv, WMV, MOV, RM, RMVB, 3GP, flv(flash file, Youtube video file), ASF, OGG, Vob, DVD, AC3, AAC, MP3, WAV, WMA, MPA, etc. Converts videos to play on almost any Mobile/Portable device including iPod Video, iPod video nano, iPod classic, iPod touch, iPhone, Zune, PSP, ZEN, MP4 Player, video capable MP3 players, 3GP, Blackberry, video capable mobile phones, PDA, and Pocket P.C, etc.
    Download RZ Video Converter Buy Now - Only US$39.99 More info...
    RZ Mobile Converter - Converts all popular video to play on almost any Mobile/Portable device!
  • Convert all popular media files to play on almost any Mobile/Portable device including iPod Video, iPod video nano, iPod classic, iPod touch, iPhone, Zune, PSP, ZEN, 3GP, PDA, and Pocket P.C, etc.
  • Extract audio track from all popular video files, and then save to AC3, AAC, MP3, WMA, etc.
  • Our High Performance and High Quality Convert engine, offer the best video/audio quality.
  • Offer pre-defined video/audio file templates for almost any Mobile Devices(Portable device) media files profile, easily convert to almost any Mobile Devices(Portable device) media files.
  • Merge multiple video files to one files.
  • Cut source video files.
  • Download RZ Mobile Converter Buy Now - Only US$29.99 More info...

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