MP4
Definition : It is mpeg4 format file
with file extension *.mp4.
1. convert mp4 to mp3, please
install the appropriate
mp4 decoder
and audio decoder based on Microsoft
DirectShow.
2 Launch "audio/video to MP3 maker",
click the Open Media File button,
select an mp4 file.
3. If you want to convert the whole
audio from the mp4 file, set the
Output File if needed, then click
the convert button.
If you want to convert some part of
audio from the mp4 file, drag the
slide bar directly, or click the
Play button to preview the media
file, set the Start Time and the End
Time. At last, click the convert
button to start to convert mp4 to
mp3.
3GP is a video file format used for
3GPP on 3rd generation cell phones.
It is a simpler format from Apply
Quicktime *.MOV or MP4. 3GP files
have the extension *.3gp or *.3g2.
3GP compresses video streams with
H.263 or MPEG4, and audio streams
with AMR (Adaptive Multi Rate) or
AAC formats.
If you want to convert 3gp to mp3
easily, please install 3GP codec
such as FFDSHOW+Haali Media
Splitter, or HDX4, or QuickTime
Alternative. Avi encoders such as
DivX XviD are necessary also.
MP4 Definition :
It is
mpeg4
format file
with file extension *.mp4.
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