M4A file means MPEG-4 format audio file, which is similar like mp3 file,
but has better sound
quality and smaller file size.
MP3 stands for Motion Picture Experts Group Layer 3, which is a
digital compression algorithm for audio file. The mp3 file can be over 10 times
smaller when compared to a raw source file. Today, the MP3 file format is the
most popular musical file formats in the world.
PowerISO can convert m4a files to mp3 format, thus can provide better
compatibility with media player software or devices.
Please follow the steps to convert m4a files to mp3 with PowerISO.
Run PowerISO, and select "Tools > Audio
PowerISO Audio converter will popup. Click "Add
files..." button to add the m4a files to the convert list. The "Add files" dialog will
popup. Navigate to the folder containing the m4a files, select them, and
click "Add" button to add the m4a files to convert list.
Output folder: You can put the converted mp3 files in the
input folder, or put them to a separate folder specified.
Output format: The output format can be mp3, flac, ape, ogg,
wma, or wav. Please select "MP3" for output format.
You can change the
mp3 encoder settings by click "Settings..." button. In "MP3
encoder settings" dialog, you can change sample rates, sample mode, and
sample format. The bit depth is 16 for mp3 encoding. Click "OK" to
close the encoder settings dialog if all settings are correct.
Click "Convert" to start conversion after you have
added the files and select the appropriate settings for the conversion.
You can cancel the conversion by clicking "Abort"
After all files have been converted, you can see the
message, "Converting audio files completes successfully". It will
also show the number of files converted successfully and the number of files
failed to convert.
Convert audio files to flac
Convert audio files to ape