mp2 to mp3 conversion

merrymonk has asked for the wisdom of the Perl Monks concerning the following question:

I have an Evoke radio which lets me record radio programs in mp2 format. I want to convert these to mp3 format so that I can listen to the recordings on an mp3 player.
I also want to transfer and add to the tag information.
I have found ways of using Perl to deal with the tag issue and I know that I can use one of the many audio conversion applications to carry out the conversion from mp2 to mp3.
However, it would be good to do this completely within one Perl application.
I found that BrowserUk on Oct 20, 2010 at 05:29 UTC included the following comment
The tool I used was for Windows, but I just did a search and found http://www.mpg123.de/, which can apparently do this using mpg123 -w <filename>.wav <filename>.mp3
Therefore I imagine that there would be a similar line for mp2 to mp3.
The question then becomes has any Monk used this approach for audio conversion and if so it would be great if some more complete sample Perl code was available.
Equally it would be good to know of other methods of doing this which have been successful.

Comment on mp2 to mp3 conversion

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Re: mp2 to mp3 conversion by marto (Cardinal) on Dec 01, 2011 at 10:06 UTC
If you're going to reference something someone said please link to it, rather than post the date and time. See What shortcuts can I use for linking to other information?. You don't tell us what operating system you are using. could use ffmpeg via FFmpeg::Command (or simply call the executable from perl) to convert mp2 to mp3. See re-encode mp3 files or Super Search for more discussions on this topic.	[reply]
Re: mp2 to mp3 conversion by Anonymous Monk on Dec 01, 2011 at 10:18 UTC
However, it would be good to do this completely within one Perl application. ... The question then becomes has any Monk used this approach for audio conversion and if so it would be great if some more complete sample Perl code was available. It doesn't get simpler than `convert( $infile, $outfile );` where sub convert does the appropriate `system $converter => '--infile', $infile, '--outfile', $outfile` ... http://www.playogg.org/ Searching is easy :D site:perlmonks.org mencoder -> Convert videos for my iPhone site:perlmonks.org convert mp3 -> Batch CD track (WAV) to MP3 conversion and tagging mp3 conv -> Convert FLACs to MP3 ?node_id=3989;HIT=mp3;re=N -> re-encode mp3 files, Automatically Encode Ogg / MP3s, starcd2mp3, wscd2mp3	[reply] [d/l] [select]
Re: mp2 to mp3 conversion by Anonymous Monk on Dec 01, 2011 at 12:56 UTC
Just wanted to point out that MP2 and MP3 are from the same family of formats (MP2 has fewer inherent limitations so it can sound superior, btw), so your portable player may already support playing MP2. Try it.	[reply]