[micro_wake_word] Version 2 (#7032)

esphome/components/micro_wake_word/preprocessor_settings.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#ifdef USE_ESP_IDF
+
+#include <cstdint>
+
+namespace esphome {
+namespace micro_wake_word {
+
+// The number of features the audio preprocessor generates per slice
+static const uint8_t PREPROCESSOR_FEATURE_SIZE = 40;
+// Duration of each slice used as input into the preprocessor
+static const uint8_t FEATURE_DURATION_MS = 30;
+// Audio sample frequency in hertz
+static const uint16_t AUDIO_SAMPLE_FREQUENCY = 16000;
+
+}  // namespace micro_wake_word
+}  // namespace esphome
+
+#endif