001 Video Converter, convert any video to iPod, iPad, PSP, iPhone, Zune, Xbox360, The best video audio converters for MP4, Flv(Flash), Avi, Divx, Xvid, H.264, Mkv, Mpg (Mpeg-1,2), Wmv, Rm, Rmvb, Mov, Vob, 3GP, OGG, ASF, WMA, WAV, MP3, AC3, AAC, etc.
When you open an audiofile with MP3 Music Editor, it displays a waveform window, in which you could filter, apply various audio effects - with more than 20 sound effects and 6 filters provided, you could easily enhance the quality of the sound files
With ActualTagEditor you can editID3v2 and ID3v1 tags of MP3 files, rename MP3 files using their tags and fill tags using data from filenames. You can edit tags and rename directly in the tags table. All operations can be done in a batch.