Tag Archive for MP4

Kindle Fire and the Way to Enjoy DVD on It

The Kindle Fire, which has a color 7-inch multi-touch display with IPS technology and runs a forked version of Android operating system, is a tablet computer version of  Kindle e-book reader developed by Amazon. The device including access to the Amazon Appstore, streaming movies and TV shows, and Kindle’s e-books has been released already.

The Kindle Fire retails much cheaper than Apple iPad. Analysts have projected that it would be a strong competitor to Apple iPad, and that other Android device makers will suffer sales lost. Amazon’s business strategy is to make money on the sales of digital content on the Fire, rather than depending on the device itself. The external dimensions of Kindle Fire are 7.5×4.7×0.45 inch (190×120×11 mm), and the visible area of the screen is a little smaller than a standard 4×6″ photograph. The following is some detailed information about Kindle Fire.

1. Hardware
Most kindle fire devices employ a 1 GHz Texas Instruments OMAP 4430 dual-core processor. The display is a 7 inches(180 mm) multi-touch color screen with a 600×1024 pixel resolution. Connectivity is through 802.11n Wi-Fi and USB 2.0(Micro-B connector). The device includes 8 GB internal storage which is said to be enough for 80 applications, plus either10 movies or 800 songs or 6,000 books. Approximately 6.5GB of the 8GB internal storage is available for content.According to the list of technical details of Amazon, the 4400 mAh battery in Kindle Fire can sustain up to 8 hours ofconsecutive reading and up to 7.5 hours of video playback with wireless off.

2. Software
The Kindle Fire runs a customized Android 2.3 Gingerbread OS. Along with access to Amazon Appstore, it includes a cloud-accelerated “split browser”, Amazon Silk, using Amazon EC2 for off-device cloud computation; including webpage layout and rendering, and Google SPDY protocol for faster webpage content transmission. User’s Amazon digital content is given free storage in Amazon Cloud’s web-storage platform, 5GB Music storage in Amazon Cloud Drive, and a built-in email application allows webmail (Gmail, Yahoo!, Hotmail, AOL Mail, etc.) to be merged into one inbox. The subscription-based Amazon Prime, which includes unlimited streaming of movies and TV shows, is available with a free trial period. The Kindle Fire has always made some developments.

3. Supported Formats
Kindle Fire can support such formats as Kindle Format 8 (KF8), Kindle Mobi (.azw), TXT, PDF, unrestricted MOBI, PRC natively, Audible (Audible Enhanced (AA, AAX)), DOC, DOCX, JPEG, GIF, PNG, BMP, non-DRM AAC, MP3, MIDI, OGG,WAV, MP4, VP8.
Because of USB driver implementation Amazon, the Kindle fire suffers from slow USB transfer speed. For example,transferring an 800MB video file may take more than three minutes.

4. Enjoy DVD on Kindle Fire
If you want to enjoy DVD movie on Kindle Fire, you need to use a video converter which can convert DVD movie to Kindle Fire compatible formats. The most common compatible format is MP4. Socusoft DVD to iPad Converter can convert both copyright protected and unprotected DVD to MP4 with high quality and speed. Just refer to the step-by-step guide to know how to convert DVD to MP4.

Make A Comparison Between MP4 and M4V

21th century is the digital and information age. Multimedia is a very common resource on the web and can be accessed through various gadgets. It comes in large number of formats, and this article will pay attention to the differences between two popular formats—Mp4 and M4v.

1.     MPEG-4
MPEG-4 is a method of defining compression of audio and visual (AV) digital data. It was introduced in late 90s and designated a standard for a group of audio and video coding formats and related technology agreed upon by the ISO/IEC Moving Picture Experts Group (MPEG) . Usage of MPEG-4 includes compression of AV data for web (streaming media) and CD distribution, voice (telephone, videophone) and broadcast television applications of the created MPEG-4 files.

2.    MPEG-4 Part 14 namely Mp4
MPEG-4 Part 14 or simply MP4 is a multimedia container format standard specified as a part of MPEG-4. It is most commonly used to store digital video and digital audio 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. A separate hint track is used to include streaming information in the file. The only official filename extension for MPEG-4 Part 14 files is “.mp4”. The online community has benefited greatly because Mp4 has provided a faster loading, higher quality broadcast media for average internet users.

Indeed, Mp4 has become an immediate huge hit. It has set the bar and became the foremost standard for internet broadcast and streaming. Programmers have found it easy to integrate the Mp4 format on various venues and applications particularly on websites. Its use for sales and marketing has been invaluable not to mention the entertainment and informational value it provides.

There is another format associated with MP4 called M4A. M4A is short for MPEG 4 Audio and is a filename extension used to represent audio files. Mp4 and M4A are two different filename extensions. 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. Software capable of audio/video playback should recognize files with either ".m4a” or ".mp4” filename extensions, as would be expected, since 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.

3.    M4v
M4V is a multimedia file format specifically designed for Apple products such as the iPhone, iTunes, iPod, and iPad. M4v is made for those digital products originally. Apparently, M4v has become more and more popular thanks to the increasing popularity of Apple products. So M4v is now supported by many new programs, players, and gadgets.

4. M4V VS MP4
M4v, similar to the general Mp4, is also based on MPEG-4 but it uses AVC video compression. It can be said that M4v is very close to Mp4. The differences are the optional Apple’s DRM copyright protection, and the treatment of AC3 (Dolby Digital) audio which is not standardized for the Mp4 container.

Apple uses the M4v files to encode TV episodes, movies, and music videos in the iTunes Store. The copyright of M4V files may be protected by using Apple’s FairPlay DRM copyright protection. To play a protected M4V file, the computer needs to be authorized (using iTunes) with the account that was used to purchase the video. However, unprotected M4V files without AC3 audio may be recognized and played by other video players by changing the file extension from “.m4v” to “.mp4″. Under QuickTime, M4v video with FairPlay attached to it is identified as AVC0 Media.

5.    Summary
(1). Mp4 is developed to make multimedia applications on the internet faster and of better quality while M4v is specifically developed for Apple products such as Apple iPod, iPad, iPhone, and iTunes.

(2). Mp4 and M4v are similar to each other in many aspects. However, the copyright of M4V files may be protected by using Apple’s FairPlay DRM copyright protection.

(3). Originally, M4v was only played on a computer via iTunes while Mp4 is much more universally supported and can be played with a variety of players.

(4). Mp4 came to the scene first while M4v was later popularized with the development of Apple products.

The comparison above is my differentiation between the two similar formats.
There are many tutorials about Mp4 and M4v formats, including how to convert videos to Mp4, how to convert Mkv to M4v on Mac, etc.

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