Convert AWB to M4R
AWB to M4R Conversion Software converts AWB
files to M4R iPhone Ringtone and keeps ID3 tag. The M4R
is ringtone file used by iPhone. With the AWB to M4R Conversion Software,
you could create your own ringtone for your iPhone. You can also convert a part
of source AWB to M4R ringtone. The converter is a professional audio conversion
software that also supports common format such as AU, MPA, M4B (MPEG-4 audiobook), MMF, AAC for iPod/iPhone/iPad/iTunes/DSi, OGG, AMR, AAC, etc. It could
convert QCP to AC3, AWB to AAC, VOB to MMF, CDA to MKA, WMA to OGG, MP4 to M4R (iPhone ringtone), and so on.
The software supports batch conversion. It is full compatible
with both 32-bit and 64-bit editions Windows 10/8/7/Vista/XP/2000.
What is AWB?
Adaptive Multi-Rate Wideband (AMR-WB) is a patented speech coding standard developed
based on Adaptive Multi-Rate encoding, using similar methodology as Algebraic
Code Excited Linear Prediction (ACELP). AMR-WB provides excellent speech quality
due to a wider speech bandwidth of 50-7000 Hz compared to narrowband speech coders
which in general are optimized for POTS wireline quality of 300-3400 Hz.
AMR-WB is codified as G.722.2, an ITU-T standard speech codec, formally known
as Wideband coding of speech at around 16 kbit/s using Adaptive Multi-Rate Wideband
(AMR-WB). G.722.2 AMR-WB is the same codec as the 3GPP AMR-WB. The corresponding
3GPP specifications are TS 26.190 for the speech codec and TS 26.194 for the Voice
A common file extension for AMR-WB file format is .awb. There also exists another
storage format for AMR-WB that is suitable for applications with more advanced
demands on the storage format, like random access or synchronization with video.
This format is the 3GPP-specified 3GP container format based on ISO base media
file format. 3GP also allows use of AMR-WB bit streams for stereo sound.
The AMR-WB bitrates are 6.60, 8.85, 12.65, 14.25, 15.85, 18.25, 19.85, 23.05
and 23.85 kbps. Compared to narrowband speech codecs (like AMR) optimized for
traditional telephone voice quality of 300-3400 Hz, the AMR-WB codec's wider bandwidth
of 50-7000 Hz provides excellent speech quality.
What is M4R?
M4R is the standard file format for Apple iPhone ringtones. The M4R is encoded
with Advanced Audio Coding (AAC). The AAC is a standardized, lossy compression
and encoding scheme for digital audio. AAC has been standardized by ISO and IEC,
as part of the MPEG-2 and MPEG-4 specifications.
- Free Download
AWB to M4R Conversion Software
- Install the software by instructions
- Launch AWB to M4R Conversion Software
- Choose AWB Files
Click "Add Files" to choose AWB files and then add them
to conversion list.
Choose one or more AWB files you want to convert and then click Open.
- Choose "to M4R"
- Convert AWB to M4R iPhone Ringtone
Click on "Convert" to convert AWB files to M4R iPhone ringtone; alternatively,
click on "Convert to One" to convert all files in list and
combine to a single one M4R iPhone ringtone.
The software is converting AWB files to M4R iPhone ringtone.
- Play and Browse M4R File
When conversion completes, you could right-click on converted file and choose
"Play Destination" to play the M4R file; or choose "Browse
Destination Folder" to open Windows Explorer to browse the outputted M4R
AWB to M4R Conversion Software is 100% clean and safe to install.
It's certified by major download sites.
AWB to M4R Related Topics: