You'll have to extract the audio from the multiplexed MPEG2 files. You can't do this with Nero, but there are freeware tools that'll get you further.
If your radio recordings are full-fledged video DVD's with VIDEO_TS directory, use PgcDemux
to extract the audio channel(s).
If they're MPG files, the easiset way is to open them with VirtualDubMod
and export the audio stream as a WAV file.
Once you have the audio file, you have to convert the sampling rate from 48 kHz (DVD standard) to 44.1 kHz (audio CD). How you do this depends on the audio format:
- If it's a WAV file (PCM audio), I'd use Audacity
: set the project rate to 48 kHz, import the WAV file, change the rate to 44.1 kHz and export the result as WAV (normal CD) or MP3 if you want that (you need to install the LAME plugin
for Audacity to export MP3). You can also import MP2 files (MPEG audio layer 2, used on some videos in Europe).
- If it's AC3 audio, you may have to use a different program- I don't know if Audacity can handle this. Try BeSweet
(a command line tool) with the GUI BeLiIght
. You may have to download some further codecs or other tools.
for the programs (or google for them).
Hope this helps you a bit.