Convert F4V to AWB

AMR MP3 Converter converts F4V 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 F4V Files
   
   Click "Add Files" to choose F4V files and then add them to conversion list.
   
   
   Choose one or more F4V files you want to convert and then click Open.
   
   
4. Choose "to AWB"
   
   
   
5. Convert F4V to AWB
   
   Click button "Convert" to convert all F4V files to AWB format.
   
   
   The software is converting F4V 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 F4V?
The F4V is another Flash Video file format defined by Adobe Systems and supported in Adobe Flash Player 9 Update 3 (9,0,115,0). The F4V file format is based on the format specified by ISO/IEC 14496-12: ISO base media file format.

Unlike SWF files, F4V files store multibyte integers in big-endian byte order. For example, as a UI16 in SWF file format, the byte sequence that represents the number 300 (0x12C) is 0x2C 0x01; as a UI16 in F4V file format, the byte sequence that represents the number 300 is 0x01 0x2C.

The F4V format is based on the ISO MP4 format, which in turn is based on the Apple QuickTime container format. The subsets of the format support different features. The ftyp box helps identify the features that a program must support to play a particular file. Flash Player does not enforce any restrictions with respect to ftyp boxes. The program tries to play any file it is given, within the restrictions of the codec types it supports.

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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