vad_state_t Struct Reference

VAD state structure definition. More...

#include <vad_api.h>

Public Attributes
int32_t	old_features [VAD_N_OLD_FEATURES]
int32_t	prev_frame [VAD_PROC_FRAME_LENGTH - VAD_FRAME_ADVANCE]

Detailed Description

VAD state structure definition.

This structure contains state for the VAD to build an input frame which includes samples from the previous frame as well as a history of features generated by previous frames to feed into the neural network classifier.

Member Data Documentation

old_features

int32_t vad_state_t::old_features[VAD_N_OLD_FEATURES]

History of features generated from PCM input

prev_frame

int32_t vad_state_t::prev_frame[VAD_PROC_FRAME_LENGTH - VAD_FRAME_ADVANCE]

A copy of part of the old frame to build the new frame

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The documentation for this struct was generated from the following file:

• /build/modules/voice/modules/lib_vad/api/vad_api.h