Convert 4XM to AWB

AMR MP3 Converter converts 4XM files to AWB format. The software is an all in one audio converter that supports more than 90 audio and video files as input, and converts to popular formats such as MP3, WAV, AAC, M4A, OGG, WMA, and AWB.

AMR MP3 Converter also supports batch conversion, and is full compatible with Vista and Windows 7.

1. Free Download AMR MP3 Converter here and then install the software by instructions
2. Launch AMR MP3 Converter
3. Choose 4XM Files
   
   Click "Add Files" to choose 4XM files and then add them to conversion list.
   
   
   Choose one or more 4XM files you want to convert and then click Open.
   
   
4. Choose "to AWB"
   
   
   
5. Convert 4XM to AWB
   
   Click button "Convert" to convert all 4XM files to AWB format.
   
   
   The software is converting 4XM files to AWB format.
   
   
6. Play & Browse
   
   When conversion completes, you could right-click converted item and choose "Play Destination" to play the destination file; or choose "Browse Destination Folder" to open Windows Explorer to browse the destination file.

Free Download AMR MP3 Converter

What is 4XM?
4XM file is known as a 4X Movie Format. The 4xm file format transports video data compressed with 4X Technologies' proprietary 4xm Video codec. It also transports audio data interleaved with the coded video chunks. The format supports multiple audio language tracks, as well. The audio can be either uncompressed PCM or a custom packing for IMA ADPCM: 4X IMA ADPCM.

The technology is intended for use in computer and console games.

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 Activity Detector.

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.

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