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.
MKV is a common video file defined by
Matroska Media, a new multimedia package format. The feature
of MKV is that it could hold many types of encoded video,
audio and subtitles stream.
To convert vob to mkv file, you may
first install a DVD player based on Microsoft DirectShow
technology on your Windows. VISTA has bundled vob decoder.
MKV Converter which can
convert vob to mkv file. Then please install
codecs. Select a vob file, set some parameters such as
the video compressor, Microsoft ADPCM as the audio
compressor, adjust the resolution, frame rate etc if
necessary. If the vob files are protected or encrypted, the conversion
PSP means PlayStation Portable, which
is firstly developed by Sony Corporation. Its control design
is still based on games but adds new film and playing
function which differs from the former Play Station. PSP
supports jpg, gif, bmp, png, tif, MP3, MP4, AAC, ATRAC, WAV,
To convert PSP to mkv means to convert
mpeg4 format video files to mkv file normally. Please try
codec pack for PSP.