Convert WAVE64 to AWB

AMR MP3 Converter converts WAVE64 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 WAVE64 Files
   
   Click "Add Files" to choose WAVE64 files and then add them to conversion list.
   
   
   Choose one or more WAVE64 files you want to convert and then click Open.
   
   
4. Choose "to AWB"
   
   
   
5. Convert WAVE64 to AWB
   
   Click button "Convert" to convert all WAVE64 files to AWB format.
   
   
   The software is converting WAVE64 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 WAVE64?
The RIFF/WAVE file format as defined by Microsoft allows to store up to 4 GB of audio data in a single file. This is sufficient to hold about 6h 45min of uncompressed PCM coded stereo 16-bit audio signals with a sample rate of 44.1 kHz. However, for multi channel audio (e.g. 5.1 surround), high-definition formats (24 bits, 96 or 192 kHz sample rate) or some special applications in production and broadcasting, the file size limit of 4 GB is rather inconvenient, since long recordings need to be split into several files. The file size limit of 4 GB exists, because all size fields in the RIFF/WAVE format have a size of 32 bits, resulting in a maximum size of 2^32 = 4294967296 bytes.

The Sony Wave64 file format is defined as a true 64 bit file format that allows to overcome the limitations of the RIFF/WAVE format. The file format was originally defined by Sonic Foundry. In Summer 2003, Sony Pictures Digital acquired Sonic Foundry's Desktop Software assets. Since then, the new format is officially promoted as Sony Pictures Digital Wave 64. Companies are encouraged to support this format and no royalties have to be paid to use it.

The Sony Wave64 file format is very similar to the well known RIFF/WAVE format. Therefore, existing software implementations of RIFF/WAVE file filters are likely to be extendable to support the Sony Wave64 file format with little programming effort. Because of the similarities to the RIFF/WAVE format, only the differences between these formats are described. It is assumed that the reader is familiar with the original format as defined by Microsoft.

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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