MPA to RA: Convert Audio from MPA(MPEG Audio) to RA(RealAudio) with River Past Audio Converter, MPA2RA converter, conversion
What is
MPA?
There are three "layers" in the MPEG-1
Audio specification.
In MPEG Audio Layer-1, a simple 32-subband audio compressor using a floating
point representation for subband samples. Resolution and scale factor are stored
for groups of 12 subsamples. MP1 is only used for Philips DCC Digital Compact
cassette with data rates of 384 kbps.
Both MPEG-1 and MPEG-2 files use MPEG-1
Audio Layer-2.
MPEG-1 Audio Layer-3 becomes
the widely popular MP3.
MPEG.ORG is an excellent source for additional
information on MPEG format and usage.
What is
RA?
RealAudio was developed
by RealNetworks and supports FM-stereo-quality
sound. To hear a Web page that includes a RealAudio sound file, you need a RealAudio
player or plug-in, a program that is freely available from a number of places.
More information is available on RealNetwork
web site.
To convert other audio formats to RealAudio, you will need River
Past RealMedia Booster Pack in addition to your audio software.
Additional Requirements
To convert from MPA(MPEG Audio) to RA(RealAudio) audio with River Past Audio Converter, you must have River Past RealMedia Booster Pack installed.
Launch River Past Audio Converter
Once River Past Audio Converter is installed properly, launch Audio Converter.
Add File
Click on the "Add File" button on the tool bar. The standard file open dialog appears. Select "MPA - MPEG Audio" in its "Files of type" combo box.
Select the file you want to convert and click "Open". The file will be added to the conversion file list.
River Past Audio Converter
Select output format
Use the setting panel on the bottom of the window to control the output format. Click on the toggle to the left of the "Format" label to expand the panel. Select "RA - RealAudio" as the "Audio Type".
Note: To convert to RealAudio, you must have River Past RealMedia Booster Pack installed.
You can change the audience, mode, complexity, sample rate, channel (stereo or mono) and bits/sample.
The audience specify the target audience of your video. Normally, it is based on the bitrate of quality. For example, to enable users of 256k DSL connection to play the video from internet, set the audience to "256k DSL or Cable". The choices for "Mode" are "Music" or "Voice".
Select output directory
Expand the "Output Directory" panel. Use the "Browse" button to select an output directory.
Convert
Click the "Convert" button on the tool bar.
River Past Audio Converter
