Thursday, April 24, 2014

How to put Text in Videos?

Q. E.g: some websites put their website Name.
Example: if you download videos from http://MobileHd.in


Answer
hello
if you want to put text you can use Sony Vegas Pro 11.0.700 x86 / 12.0.563 x64 or Wondershare Video Editor 3 or Pinnacle Studio Ultimate 16 or Adobe Premiere Pro CS6 (This softwares are for edit film you can edit your movie whit this program )

What is the best video format and codec?

Q. i always edit videos.. sometimes i edit HD..
i use mpg format usually, mpeg2, 720x480 or 1280x720 for HD, ntsc..
i am also a big fan of adobe premiere pro cs5.5, and adobe after effects.

My problem is..
ive noticed recently that my output video is not the quality that i want. its an 720p.
and rendered it with 1 pass.
and after that.. i began to search for a codec that is best for videos..

i have found out that many video guys use H.264(mp4) because it saves a lot more disk space and it is a standard for web video sites.

My question is..can an H.264 give me the best quality that i want?
if i switched to h264.. will it play to almost all machines(pc's, mac)? including the old one, (either standard or HD)? And is it already a standards for many pro video makers out there?
or is it better to stick to mpeg2 format because it is universal?

my output video is only intended for playback on computers/ uploading to sites.
i already understand the policies on burning to optical disk.


Answer
Carling (a.k.a. Linux Soapbox) has once again found a stat that no one believes but Carling. Hollywood uses Final Cut Pro in OS X 49%, with Avid Media Composer (only available for Windows 7 Pro x64 and Mac OS X) a distant second at 22%. Linux is nowhere in Hollywood editing.

In general, compressed video is at its best in H.264 (MPEG-4 AVC) codec. You wouldn't want "the best quality". That would be uncompressed 1080i and 1080p HDTV RGB 10 bit @ 1920 x 1080 @ 60i = 237 MB per/sec, or 834 GB per/hr. It just isn't practical for a home computer system, so use the most efficient compressed codec: H.264. If it doesn't look good, maybe the original had some limitations. Don't think that all commercial DVD movies are created equally. Some are just creaky old AVI files authored to DVD. If your source is a camcorder, those range widely in quality also.

That's the summary. Here are the full details....

First off, H.264 is not the same as MP4.

Most video files are actually "containers". The type of container is indicated by the file extension (the three characters after the dot in the file name). This is similar to a folder, except that the contents are not intended to be used separately, so the container cannot be easily opened for inspection of the contents. Within a given container type may be any of several video file formats, along with one or more audio files, and even one or more subtitles files. Each container type has its own ability to use the different video formats. The software that makes the container (from a DV tape, or by converting from another container) controls what type of video format can be put within the container. A few examples of containers are FLV, AVI, MOV, WMV, MP4, and MKV.

MP4 is the container associated with MPEG-4 Part 14 video encoding. It can be used to store video, subtitles, and still images. Like most modern containers, MPEG-4 Part 14 allows streaming over the Internet. A separate hint track is used to include streaming information in the file. For some specialized uses, the file extension is changed to reflect the type of encoding of the material in the container, such as .m4a, .m4b, and .m4r.

H.264/MPEG-4 Part 10 or H.264/MPEG-4 AVC (Advanced Video Coding) is an encoding standard for video compression. It was developed to give video quality equal to MP4 but at half the bit rate, thus providing a smaller file size. It is one of the three encodings used with BlueRay Disc. It is also used for many newer high quality videos online, such as on Youtube and the iTunes Store. The final drafting work on the first version of the standard was completed in May 2003. Since it is only 9 years old, this standard is too new for Windows XP compatible players. Windows Media Player 12 (The first real effort from Microsoft to use non-Windows video) adds support for H.264, and requires Windows Vista or 7.

AVI is an outdated container for video that was not great back in 1992 when it was developed by Microsoft. AVI has no support for b-frames. That means it has limited compression ability. In particular, H.264/AVC codec does not work well with AVI, and H.264/AVC is the new trend for the forseeable future in video encoding. AVI also has no support for attachments, such as additional fonts in subtitles. Since modern formats have none of the limitations and all of the advantages of AVI, we should wean ourselves (this mostly applies to Windows XP users) off AVI ASAP.

The main reason PC geeks hang onto AVI is that 40% of them still use Windows XP, a 10 year out of date system, that is hard-pressed to support modern video. Blame Microsoft for putting a stumbling block in their path to upgrade when Vista bombed. They are just now getting over that awful shock and beginning to make Windows 7 more popular than XP.




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