M4A MP3 Converter FAQ

M4A MP3 Converter converts M4A to MP3 and MP3 to M4A. M4A MP3 Converter is an ALL-IN-ONE audio converter that supports more than 110 audio and video files as input, and keeps ID3 tag when converting. M4A MP3 Converter also supports batch conversion.

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M4A MP3 Converter converts M4A to MP3 and MP3 to M4A, and support more than 110 audio and video files. You can follow instructions below to get started.

1. Click "Add File" to choose audio and video files
2. Choose target file format
3. Click "Convert"
4. Done

For more detailed information, please click here.

Yes, it is. M4A MP3 Converter is totally compatible with 32-bit and 64-bit Vista and Windows 7.

Just 3 steps below.

1. Click "Add Files" to choose M4A files
2. Choose "to MP3"
3. Click "Convert"

Just 3 steps below.

1. Click "Add Files" to choose MP3 files
2. Choose "to M4A"
3. Click "Convert"

Just 3 steps below.

1. Click "Add Files" to choose MP3 files
2. Choose "to M4B (MPEG-4 audiobook)"
3. Click "Convert"

Just 3 steps below.

1. Click "Add Files" to choose MP3 files
2. Choose "to MP4"
3. Click "Convert"

Just 3 steps below.

1. Click "Add Files" to choose M4A files
2. Choose "to WAV"
3. Click "Convert"

Yes, it is. You could follow the following instructions.

1. Click "Add Files" to choose MP3 files
2. Choose "to M4B (MPEG-4 audiobook)"
3. Click "Convert to One"

Besides MP3, M4A MP3 Converter could convert 110 audio and video file such as AAC, AIFF, FLAC, MPA, OGG, WAV, WMA to one M4B audiobook.

Yes, it is.

Yes, it does.

M4A MP3 Converter supports the following files.

• Supported Input Files: 3G2, 3GP, 3GP2, 3GPP, 4XM, AAC, AC3, ADTS, ADX, AFC, AIF, AIFC, AIFF, ALAW, AMR, AMV, APE, ASF, AU, AVI, AWB, CAF, CDA, CDATA, CIF, DIF, DIVX, DNXHD, DRC, DTS, DV, DVD, DVR-MS, DXA, EAC3, FLAC, FLC, FLI, FLIC, FLV, FLX, GSM, GXF, H261, H263, H263+, H264, IT, KAR, M1A, M1V, M2A, M2T, M2TS, M2V, M4A, M4B, M4R, M4V, MID, MIDI, MJ2, MJPEG, MJPG, MKA, MKV, MLP, MLV, MMF, MO3, MOD, MOV, MP+, 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, QCIF, QCP, QT, RA, RAM, RCV, RGB, RM, RMI, RMVB, ROQ, RPL, S3M, SDP, SHN, SMK, SND, SOL, SOX, SPX, STR, SWF, THD, TS, TTA, UMX, VC1, VFW, VID, VMD, VOB, VOC, VQF, W64, WAV, WAVE64, WM, WMA, WMD, WMV, WV, XA, XM, XVID, XWMV, Y4M, and YUV
• Supported Output Files: 3G2 (audio track), 3GP (audio track), AAC, AAC for iPod/iPhone/iPad/iTunes/DSi, AC3, AIFF, ALAC (Apple Lossless), AMR, ASF (audio track), AU, AVI (audio track), CAF, DTS, FLAC, FLV (audio track), M4A (MPEG-4 audio), M4B (MPEG-4 audiobook), M4R (iPhone ringtone), MKA, MMF, MOV (audio track), MP2, MP3, MP4 (audio track), MPA, OGG, SWF (audio track), VOC, WAV, WMA, and WMV (audio track)

Refer to the following links.

M4A MP3 Converter supports the following encoding parameters for MP3.

• Codecs: LAME MP3 (MPEG audio layer 3)
• Sample Frequency: supports 8000 Hz, 11025 Hz, 12000 Hz, 16000 Hz, 22050 Hz, 24000 Hz, 32000 Hz, 44100 Hz and 48000 Hz.
• Bit Rate: supports 8 kbps, 16 kbps, 24 kbps, 32 kbps, 40 kbps, 48 kbps, 56 kbps, 64 kbps, 80 kbps, 96 kbps, 112 kbps, 128 kbps, 144 kbps, 160 kbps, 192 kbps, 224 kbps, 256 kbps, and 320 kbps.
• Channels: supports stereo and mono.

M4A MP3 Converter supports the following encoding parameters for MP4.

• Codecs: supports AAC (Advanced Audio Codec) and ALAC (Apple Lossless Audio Codec)
• Sample Rate: supports 8000 Hz, 11025 Hz, 16000 Hz, 22050 Hz, 24000 Hz, 32000 Hz, 44100 Hz and 48000 Hz.
• Bit Rate: supports 16 kbps, 24 kbps, 32 kbps, 40 kbps, 48 kbps, 56 kbps, 64 kbps, 80 kbps, 96 kbps, 112 kbps, 128 kbps, 144 kbps, 160 kbps, 192 kbps, 224 kbps, 256 kbps, and 320 kbps.
• Channels: supports stereo and mono.

It's easy by M4A MP3 Converter. Just set an option before converting.

1. Click "Options" and switch to tab "General"
2. Set a number at "Output Volume". The number is described below.
• < 100% - Decrease volume
• = 100% - No changes
• > 100% - Increase volume
For example:

• 50%: Decrease volume to half of original file
• 200%: Increase volume to double volume of original file
3. Convert your file
4. Done

The M4A and M4B file is encoded with MPEG4AAC codec. The codec doesn't fix bit rate like MP3. The real bit rate used in target M4A and M4B depends on input sound. If MPEG4AAC encoder thinks it's possible to get the best quality by a lower bit rate than number user set, it use the lower bit rate to save space. What you care about is if sound quality loses. If the encoder think no needs to use 192 kbps, it just choose a best bit rate, which will get same quality and use less space.

The input format doesn't affect the bit rate; only real input sound affects. The bit rate probably aren't same with different files.

Click "Options" -> "ID3" and then check "Add ID3 tag", and then edit the custom ID3 tag information.

At "Title" field, if you check "Name as file name (not include extension)", M4A MP3 Converter will set Title as file name when converting. For example: original file name is "Happy New Year.m4a", and then the title will be set as "Happy New Year" automatically.

Yes, it is. You may click "Options" -> "General" -> "Output" section, choose "A custom folder" at "Output folder" combo-box and click "Browse" button to choose an output folder.

Yes, it is. Similar to question above, but you should check "Keep original directory tree", thus M4A MP3 Converter will create folders according to path of source file automatically when converting.

For example: Original file is "C:\Music\pop\test.m4a" and output folder is "D:\Output." If the option is checked, the output folder will be "D:\Output\C\Music\pop."

First, split the left channel.

1. Set output channel to mono at target format option
2. Check "L channel" at "Options" -> "General" -> "When converting 2 channels to 1 channel, the output channel equals to"
3. Convert your file

Then, split the right channel, similar to instructions above, just check "R channel" at step 2.

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