Here is a list of all documented files with brief descriptions:
  speex.h | Describes the different modes of the codec |
| speex_bits.h | Handles bit packing/unpacking |
| speex_buffer.h | |
| speex_callbacks.h | Describes callback handling and in-band signalling |
| speex_echo.h | Echo cancellation |
| speex_header.h | Describes the Speex header |
| speex_jitter.h | Adaptive jitter buffer for Speex |
| speex_preprocess.h | Speex preprocessor. The preprocess can do noise suppression, residual echo suppression (after using the echo canceller), automatic gain control (AGC) and voice activity detection (VAD) |
| speex_resampler.h | |
| speex_stereo.h | Describes the handling for intensity stereo |
 speex_types.h | Speex types |
