MP4 MP3 Converter converts MP4 to MP3 and MP3 to MP4. It is an easy to use and ALL IN ONE audio converter software. MP4 MP3 Converter not only converts audio formats to MP3, but also extracts audio from AVI, ASF, WMV, MPEG1, MPEG2, QuickTime MOV, and Real Media files. It supports more than 100 audio and video files, and keeps ID3 tag when converting. The software is full compatible with Vista and Windows 7.

It is possible to customize sample frequency, bit rate, channels, and quality of target files. And you may change sound volume of your files. The software also supports batch conversion.

Supported Input Files: 3G2, 3GP, 3GP2, 3GPP, 4XM, AAC, AC3, ADX, AFC, AIF, AIFC, AIFF, ALAW, AMR, AMV, APE, ASF, AU, AVI, AWB, CAF, CDA, CDATA, DIF, DIVX, DTS, DV, DVD, DVR MS, DXA, FLAC, FLC, FLI, FLIC, FLV, FLX, GSM, GXF, H261, H263, H263 plus, H264, IT, KAR, M1A, M1V, M2A, M2TS, M2V, M4A, M4B, M4V, MID, MIDI, MJ2, MJPEG, MJPG, MKA, MKV, MLP, MLV, MMF, MO3, MOD, MOV, MP1, MP2, MP3, MP4, MPA, MPC, MPE, MPEG, MPG, MPGA, MPP, MPV, MTM, MTS, MTV, MVI, MXF, NSA, NSV, NUT, NUV, OGA, OGG, OGM, OGV, OGX, OMA, PSP, PSX, PVA, QCP, QT, RA, RAM, RM, RMI, RMVB, ROQ, RPL, S3M, SDP, SHN, SMK, SND, SOL, SPX, STR, SWF, TS, TTA, UMX, VFW, VID, VMD, VOB, VOC, VQF, W64, WAV, WAVE64, WM, WMA, WMD, WMV, WV, XA, XM, XVID, XWMV, and YUV.

Supported Output Files: MP3, WAV, WMA, AAC, MP4, M4A (MPEG4 Audio), M4B (MPEG4 Audiobook), OGG, AMR, and AWB.

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