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.
ASF is Advanced Streaming Format. It
is an extensible file format developed primarily for storing
synchronized digital video, audio, subtitle streams, or
transmitting data on the internet. ASF is also a multimedia
container of Windows Media Video or Windows Media Audio.
To convert vob to asf file, you may
first install a DVD player based on Microsoft DirectShow
technology on your Windows. VISTA has bundled vob decoder.
ASF Converter which can
convert vob to asf file. Select a vob file, Change the
output format to ASF in the Options dialog box, configure some
parameters such as the video encoding bitrate, audio
encoding bitrate, 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 asf means to convert
mpeg4 format video files to asf file normally. Please try
codec pack for PSP.