Audio Pipeline#
The audio pipeline in FFVA processes two channel PDM microphone input into a single output channel, intended for use by an ASR engine.
The audio pipeline consists of 4 stages.
Stage |
Description |
Input Channel Count |
Output Channel Count |
|---|---|---|---|
1 |
Acoustic Echo Cancellation |
2 |
2 |
2 |
Interference Canceller and Voice Noise Ratio |
2 |
1 |
3 |
Noise Suppression |
1 |
1 |
4 |
Automatic Gain Control |
1 |
1 |
See the Voice Framework User Guide for more information.