The Sound Normalizer reduce, improves, regains a volume and file size without losing ID3, Mp4, FLAC, Ogg tags of Mp3, Mp4, FLAC, Ogg, APE, AAC and Wav (PCM 8, 16, 24, 32 bits, DSP, GSM, IMA ADPCM, MS ADPCM, AC3, MP3, MP2, OGG, A-LAW, u-LAW) files. The Sound Normalizer contains batch processor and it allows to fulfill the batch test, batch normalization and batch converting of Mp3, Mp4, Wav, FLAC, Ogg, APE, AAC files.