RM is a multimedia container format
created by RealNetworks. RealMedia file extension is *.rm.
It is typically used in conjunction with RealVideo and
RealAudio and is popular for streaming content on the
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 rm to wma, please install the latest
RealPlayer if Windows has not installed it. Download
RealMedia Splitter. Unzip the file with WinRAR, use the command line "regsvr32 RealMediaSplitter.ax" to register it.
Or download the bat
file to Release folder to register.
WMA Converter which can
convert rm to wma file. Select a rm 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 rm to wma.
H.261 is the first practical digital
video coding standard designed by ITU-T to develop
conference TV and video telephony on ISDN. It becomes the
design framework of later International Standard of Video
Coding including MPEG-1, MPEG-2/H.262 and H.263. H.261.
It only deals with CIF and QCIF image formats by dividing
every frame into images layer, Acer block group layer, Acer
block and block layer. H.261 output rate is constant, while
the image quality is unsteady.
H.263 is the standard draft of ITU-T
designed for low bit-stream communications. Actually the
standard could be used in broader bitstream scope but not
limit to low bit-stream. Whatís more, itís thought to be
used to replace H.261.The coding algorithm of H.263 is the
same with that of H.261.but thereíre still some differences.
e.g. H.263 adopts semi-precision for motion compensation
while H.261 adopts all pixel accuracy and filtering cycle;
H.263 contains four consultable options to improve
After install H.261 or H.263 decoder,
wma converter can convert h.261/h.263 to wma file.