M4A to RA: Convert Audio from M4A(MPEG-4 Audio) to RA(RealAudio) with River Past Audio Converter, M4A2RA converter, conversion
What is
M4A?
Because of its exceptional performance and quality, Advanced
Audio Coding (AAC) is at the core of the MPEG-4,
3GPP and 3GPP2
specifications and is the audio codec of choice for Internet, wireless and digital
broadcast arenas. AAC provides audio encoding that compresses much more efficiently
than older formats, such as MP3,
yet delivers quality rivaling that of uncompressed CD audio.
To convert MPEG-4 audio to other formats, you need to have Apple QuickTime
installed.
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 M4A(MPEG-4 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 "M4A - MPEG-4 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.
If you cannot add the M4A file, you may need to install QuickTime. We use QuickTime to decode compressed MPEG-4 Audio files.
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
