From Online Media Technologies:
AVS Audio Editor is an advanced audio production and mixing tool, which makes a worthy competition to the majority of digital audio editors. Record, trim, alter and mix audio files, apply a variety of effects, filters (expandable with DirectX plug-ins) and loops, reduce noises, rip audio CDs. AVS Audio Editor supports a lot of audio formats: Uncompressed WAV PCM; Compressed WAV (GSM, ADPCM, DSP, and others); MP3 (MPEG 1/2 Layer 3, including VBR); MP2 (MPEG 1/2 Layer 2); VOX (Dialogic ADPCM); RAW audio (PCM, A-Law, U-Law); WMA (Windows Media Audio 9); AVI (audio stream); Ogg Vorbis (version 1.0); MPC (Music Pack); G.726, G.723, G.721; AIFF, AIFC (Apple); AU (UNIX). Version 3.4 features Spanish interface.