Written on May 6th, 2010 by adminno shouts
you ever wondered why DVD is so popular a medium? It is interesting to note that in recent times the sale of digital DVD players has skyrocketed. That should tell you how popular they have become.
The reason is very popular and superior quality video and audio. A DVD movie is compressed in a video and audio bit rate high. If you compare a DVD and CD, then find that the encoding format ifferent two are radically from each other.
A film of the CD is compressed using the MPEG 1 compression technique. If the bit rate is higher, giving greater quality video file. Due to the limitation in resolution, an MPEG 1 file could not go from 352 x 288 the limitations of a CD. The CD player also does not support playing a CD, which is compressed at a higher resolution.
To play a DVD you need digital DVD players. A self-DVD stands for Digital Video Disc. The Digital reproduction of DVD discs made two technical standards for DVD video and DVD audio. The hardware player must be connected to the production of hardware, preferably a television set. There are some portable players with a small LCD screen attached to it but not to play the DVD to its full potential due to hardware portability.
Digital DVD players have to perform some basic tasks like reading a DVD ISO or UDF 1. 2 format. Optionally, you can decrypt the data packaged in CSS and / or Macrovision. In DVD there is a regional protection code named lock code. DVD allows a certain portion of the world to be played in that part of the world alone. The DVD player has the ability to change the region code, but it is only limited to changing 5 times and no more. After that, the player can not play DVDs from other regions.
Digital DVD players have the ability to decode MPEG 2 with a maximum of 10 Mbit / s of data. It is the high end. For a continuous output data rate is 8 Mbit / s. The sound is decoded from the MP2, PCM or AC3 format. The video resolution that can obtain high quality data is quite high. The maximum value is for the 720×576 video quality.
In addition to DVD playback, digital DVD players can play other formats as well. You can play audio CDs, which are the CDDA, MP3, etc. You can also play CDs of the previous generation, which is the format video CD. They also have the ability to play DTS, Dolby Digital Theater System. The home cinema decoder is one of the main features of a digital DVD player. In addition to the formats mentioned above, some new formats serve to reinforce the video scene.
All are variants of MPEG formats, such as the x264 is the layer of MPEG 4, 10. Another popular method is the MPEG-4 ASP compression as the most popular DivX. The PC DVD-ROM can play almost every format out there. No Xvid format, contained in the AVI container.
Written on March 2nd, 2010 by adminno shouts
Converter DVD to iTouch iTouch MacDVD Converter Mac is best Mac DVD to iTouch conversion that can convert DVD to iTouch on Mac of different codecs, with super fast conversion speed and excellent output quality. This DVD to iTouch Mac works perfectly for all popular iPod players like the iPod Nano, iPod Shuffle, iPod Classic, iPod Touch and iPhone, Sansa, Sony Walkman, Creative Zen, Apple TV, Nokia, PSP, Zune and so on. With the powerful editing features of the best DVD Ripper for Mac iTouch, you can set video codec, frame rate, video bitrate for a custom video quality. You are able to enter the video resolution required in Width (pixels) Height (pixels), then save the custom profile well defined by the user. In addition, you can select subtitles and audio tracks, adjust video effects, trimming some of their DVD, the size of the crop video, merge several titles or chapters into one file for iPod Touch, etc. How to download DVD My iTouch on Mac? 1. Download the program installation ***. dmg. 2. Double-click the file. dmg. 3. Follow the instructions to install the software. 4. Double-click the desktop icon and the program will begin or are in the application program “Aiseesoft DVD to MP4 Converter”. Screenshot: 1. Import your DVD movie, click the button to load DVD ready to load DVD to Mac iPod touch. 2. Select the titles or chapters to convert. 3. Select an output format from “Profile” Load list. 4. Click “Start” to start conversion. 1. Support Output file formatsBesides convert DVD to iPod MP4 on Mac, the output files also include H. 264/MPEG-4 AVC, MOV, H. 264 AVI, DivX, XviD, H. HD 264, HD AVI, MPEG 4 high definition HD, MOV video and AAC, AC3, AIFF, AMR, AU, FLAC, MP3, M4A, MP2, OGG, WAV, WMA audio to different actors. 2. Optimize output video / audio settingsDetailed video and audio settings are provided by this DVD to iTouch converter for Mac software you can adjust, such as video codec, frame rate, video bitrate for video quality custom. Set Audio Encoder, Sample Rate, Channel, Audio Bitrate. You are able to enter the video resolution required in Width (pixels) Height (pixels), then save the custom profile well defined by the user. 3. Adjusting to iTouch video to effectDVD Converter for Mac provides video and audio effects as much as possible: brightness, contrast, saturation and audio volume. Time deinterlacing to eliminate distortion from interlaced video to meet staffing requirements for different customers. 4. Get any time, the duration of your video DVDClickto open the Trim window. You can set the exact start and end time for the DVD episode or simply drag the slider to where you want. Another way is by using the “Trim From” and “Trim” button. Where you want to start cutting, click “Crop From” and click “Crop” to where you want to finish the cut. After setting the time of adjustment, the length of the captured clip will be displayed in the Select the length for your reference. 5. VideoClickto cut open the crop, then you can trim your video and set the zoom mode according to your need. To harvest your video, you can select a way to crop, adjust the crop frame or setting the crop values. You can also set the output aspect ratio zoom mode according to your need. Keep Provides original, full screen, 16:9, 4:3. After harvesting the video and set the zoom mode, the result can be previewed in the preview window of the main program interface. 6. Select audio track and SubtitleYou can choose audio track and subtitle for the video conversion. 7. Join your selected files If you want to merge the selected contents to a file you can check the “Merge into one file. As the default file merged named after the first selected file (either a title or chapter). Enjoy your iPod movies with your friends today! All of you can experience this powerful Mac DVD to iPod touch easily on Apple Macintosh OS X!
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