VOB is short of DVD Video Object
developed to save all audio and video data of MPEG2. It
includes many data streams of video, audio and subtitles.
Vob mainly contains 2 types of data: simple data including
files, catalogues and its each version and complicated data
like branch, labeling and record of incidents, etc., whose
structures and formats are determined by vob Schema.
WMA is Windows Media Audio. WMA is a
new audio format developed by Microsoft well known as MP3.
With a higher rate in files compression and better sound
quality than the latter, even far beyond those of RA.
To convert vob to wma file, you may
first install a DVD player based on Microsoft DirectShow
technology on your Windows. VISTA has bundled vob decoder.
WMA Converter which can
convert vob to wma file. Select a vob file, set the start
time, the end time or audio encoding bitrate if needed. The
bitrate is bigger, the file size is bigger, the audio
quality is higher, and vice versa. Click the Convert button
to convert vob to wma. If the vob files are protected or encrypted, the conversion
3GP is a video coding format of 3G(3rd
Generation)'s streaming media. 3GP is developed especially
for mobile phones to adapt to the high transmission speed of
3G network. Though rm format files are also played and
mostly in smartphones, 3GP format is a multi-media standard
made by 3GPP and is the most popular among mobile phone
market at present. 3GP provides the users with high quality
video, audio and other contents of multi-media. Besides, 3GP
files could also be played on computer with the relative
players like Media Player Classic, MPlayer, QuickTime,
To convert 3gp to wma easily, please
install 3GP codec such as
FFDSHOW, or HDX4, or QuickTime Alternative.
3GPP means Generation Partnership
Project. 3GPP is the third generation (3G) cell phone system
specification between many countries.
3GPP2 means The Third Generation
Partnership Project 2: 3GPP2 is a collaborative third
generation (3G) telecommunications specifications-setting
project, and comprising North American and Asian interests
developing global specifications for 3G. 3GPP2 is global
specifications for the radio transmission technologies (RTTs).