Convert DIVX to AMR

Total Audio MP3 Converter converts DIVX files to AMR 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 AMR.

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

1. Free Download Total Audio MP3 Converter here and then install the software by instructions
2. Launch Total Audio MP3 Converter
3. Choose DIVX Files
   
   Click "Add Files" to choose DIVX files and then add them to conversion list.
   
   
   Choose one or more DIVX files you want to convert and then click Open.
   
   
4. Choose "to AMR"
   
   
   
5. Convert DIVX to AMR
   
   Click button "Convert" to convert all DIVX files to AMR format.
   
   
   The software is converting DIVX files to AMR 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 Total Audio MP3 Converter

What is DIVX?
DivX is a brand name of products created by DivX, Inc. (formerly DivXNetworks, Inc.), including the DivX Codec which has become popular due to its ability to compress lengthy video segments into small sizes while maintaining relatively high visual quality. The DivX codec uses lossy MPEG-4 compression, where quality is balanced against file size for utility. It is one of several codecs commonly associated with "ripping", whereby audio and video multimedia are transferred to a hard disk and transcoded.

DivX 6 expanded the scope of DivX from including just a codec and a player by adding a media container format. This optional new file format introduced with DivX 6 is called "DivX Media Format" ("DMF") (with a .divx extension) that includes support for the following DVD-Video and VOB container like features.

DivX Media Format (DMF) features:

• Interactive video menus
• Multiple subtitles (XSUB)
• Multiple audio tracks
• Multiple video streams (for special features like bonus/extra content, just like on DVD-Video movies)
• Chapter points
• Other metadata (XTAG)
• Multiple format
• Partial backwards compatibility with AVI

What is AMR?
Adaptive Multi-Rate (AMR) is an audio data compression scheme optimized for speech coding. AMR was adopted as the standard speech codec by 3GPP in October 1998 and is now widely used in GSM and UMTS. It uses link adaptation to select from one of eight different bit rates based on link conditions. AMR is also a file format for storing spoken audio using the AMR codec. Many modern mobile telephone handsets will allow you to store short recordings in the AMR format. There also exists another storage format for AMR 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.

Key Features:

• Sampling frequency 8 kHz/13-bit (160 samples for 20 ms frames), filtered to 200-3400 Hz.
• The AMR codec uses eight source codecs with bit-rates of 12.2, 10.2, 7.95, 7.40, 6.70, 5.90, 5.15 and 4.75 kbit/s.
• Generates frame length of 95, 103, 118, 134, 148, 159, 204, or 244 bits for bit rates 4.75, 5.15, 5.90, 6.70, 7.40, 7.95, 10.2, or 12.2 kbit/s, respectively
• AMR utilizes Discontinuous Transmission (DTX), with Voice Activity Detection (VAD) and Comfort Noise Generation (CNG) to reduce bandwidth usage during silence periods
• Algorithmic delay is 20 ms per frame. For bit-rates of 12.2, there is no 'algorithm' look-ahead delay. For other rates, look-ahead delay is 5 ms. Note that there is 5 ms 'dummy' look-ahead delay, to allow seamless frame-wise mode switching with the rest of rates.
• AMR is a hybrid speech coder which uses Algebraic Code Excited Linear Prediction (ACELP)
• The complexity of the algorithm is rated at 5, using a relative scale where G.711 is 1 and G.729a is 15.
• PSQM testing under ideal conditions yields Mean Opinion Scores of 4.14 for AMR (12.2 kbit/s), compared to 4.45 for G.711 (u-law)
• PSQM testing under network stress yields Mean Opinion Scores of 3.79 for AMR (12.2 kbit/s), compared to 4.13 for G.711 (u-law)

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