This file contains some example of the echo canceller performance.
To generate these examples, use these commands:

 ec.exe < input_1126.raw > output_1126.raw
 ec.exe < input_1212.raw > output_1212.raw
 ec.exe < input_1490.raw > output_1490.raw

Note that the input files are in Intel byte format.
The .au files are provided so you can easily listen
to the input data. Most browsers and audio tools support
this format.