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# atracdenc - ATRAC Decoder Encoder
Implementation of ATRAC1, ATRAC3 encoders
Building:
You need:
* C++11 compiler.
* cmake >= 3.0
* libsndfiles
binary:
```
cd src
mkdir build
cd build
cmake ../
make
```
binary and tests:
```
cd test
cmake ../
make
```
Usage:
ATRAC1:
```
./atracdenc --encode -i ~/01.wav -o /tmp/01.aea
```
ATRAC3: - use it only if you want to improve it ;)
You can use --help option to get help
Limitations:
- Bit allocation based on the tonality of the signal (see http://www.minidisc.org/aes_atrac.html)
- Only 44100 16bit wav input file
Other problems:
- Unfortunately software using ffmpeg library often incorrectly detects AEA file.
Be careful, the noise in case of wrong detection can be extremely high.
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