mp3 audio levels

zod

if I have an mp3 library of music .. whats the easiest way to the audio levels all the same .. I don't mind re-encoding them.

Jackovarian

you mean like if you put it on shuffle for a party and all the songs came on at different volumes?

i don't think re-encoding them would even give you that option.


the only thing i can think of, and its pretty pointless considering, is getting a copy of nero, and burn a load of the tracks you want onto cd. nero gives you the option to normalise all tracks and some other options aswell.

kaimera

mp3gain

Sherifu

Audacity

Snowbat

kaimera wrote: »

mp3gain

+1

Instead of reencoding each file at a different volume level, this program analyses each file and adds a "Replay Gain" correction factor in the metadata. When used with a supporting player, the player adjusts the level of each file automatically as it plays, based on the Replay Gain metadata. This avoids the loss in quality associated with reencoding.


The wikipedia page has a list of supporting players:
Replay Gain

However, if (one of) your players doesn't implement Replay Gain, it may not be a good solution for you.

zod

Snowbat wrote: »

+1

Instead of reencoding each file at a different volume level, this program analyses each file and adds a "Replay Gain" correction factor in the metadata. When used with a supporting player, the player adjusts the level of each file automatically as it plays, based on the Replay Gain metadata. This avoids the loss in quality associated with reencoding.


The wikipedia page has a list of supporting players:
Replay Gain

However, if (one of) your players doesn't implement Replay Gain, it may not be a good solution for you.

It's an ipod

zilog_jones

Yeah Replay Gain is the only way I know of doing it well without having to re-encode. Unfortunately not a lot of DAPs support it.

EAC, CDex and other CD ripping utils have "normalizing" options but I dunno how well they work.

zod

ok thanks for your help, I'll try mp3gain .. they seem to think it works for ipods here http://forums.ipodlounge.com/showthread.php?t=76598

Snowbat

Later versions of iTunes (and presumably iPods) have a very similar feature called Sound Check. You can get software that will read Replay Gain metadata and add the equivalent Sound Check metadata to your mp3 files (eg. ml_ipod plugin for Winamp). There is also a command line tool here that will sync both tags if they are present.