bugfix(wn): fix the bug can not switch wake word model for esp32

CMakeLists.txt

@@ -29,14 +29,7 @@ ENDIF (IDF_VERSION_MAJOR GREATER 3)
         multinet
         dl_lib
         c_speech_features
-        hilexin_wn5
-        hilexin_wn5X2
-        hilexin_wn5X3
-        nihaoxiaozhi_wn5
-        nihaoxiaozhi_wn5X2
-        nihaoxiaozhi_wn5X3
-        nihaoxiaoxin_wn5X3
-        customized_word_wn5
+	wakeword_model
         multinet2_ch
         esp_audio_processor 
         esp_audio_front_end

Kconfig.projbuild

@@ -45,10 +45,6 @@ choice SR_WN_MODEL_LOAD
         bool "Hi,Lexin (wn5_hilexin)"
         depends on IDF_TARGET_ESP32
 
-    config SR_WN_WN5X2_HILEXIN
-        bool "Hi,Lexin (wn5_hilexinX2)"
-        depends on IDF_TARGET_ESP32
-
     config SR_WN_WN5X3_HILEXIN
         bool "Hi,Lexin (wn5_hilexinX3)"
         depends on IDF_TARGET_ESP32
@@ -57,10 +53,6 @@ choice SR_WN_MODEL_LOAD
         bool "nihaoxiaozhi (wn5_nihaoxiaozhi)"
         depends on IDF_TARGET_ESP32
 
-    config SR_WN_WN5X2_NIHAOXIAOZHI
-        bool "nihaoxiaozhi (wn5_nihaoxiaozhiX2)"
-        depends on IDF_TARGET_ESP32
-
     config SR_WN_WN5X3_NIHAOXIAOZHI
         bool "nihaoxiaozhi (wn5_nihaoxiaozhiX3)"
         depends on IDF_TARGET_ESP32
@@ -68,10 +60,6 @@ choice SR_WN_MODEL_LOAD
     config SR_WN_WN5X3_NIHAOXIAOXIN
         bool "nihaoxiaoxin (wn5_nihaoxiaoxinX3)"
         depends on IDF_TARGET_ESP32
-
-    config SR_WN_WN5_CUSTOMIZED_WORD
-        bool "customized word (wn5_customizedword)"
-        depends on IDF_TARGET_ESP32
     
     config SR_WN_WN8_ALEXA
         bool "Alexa (wn8_alexa)"

include/esp32/esp_afe_config.h

@@ -31,6 +31,7 @@ typedef struct {
     int total_ch_num;                       // total channel num. It must be: total_ch_num = mic_num + ref_num
     int mic_num;                            // mic channel num
     int ref_num;                            // reference channel num
+    int sample_rate;                        // sample rate of audio
 } afe_pcm_config_t;
 
 typedef struct {
@@ -75,6 +76,7 @@ typedef struct {
     .pcm_config.total_ch_num = 2, \
     .pcm_config.mic_num = 1, \
     .pcm_config.ref_num = 1, \
+    .pcm_config.sample_rate = 16000, \
 }
 #elif CONFIG_IDF_TARGET_ESP32S3
 #define AFE_CONFIG_DEFAULT() { \
@@ -97,5 +99,6 @@ typedef struct {
     .pcm_config.total_ch_num = 3, \
     .pcm_config.mic_num = 2, \
     .pcm_config.ref_num = 1, \
+    .pcm_config.sample_rate = 16000, \
 }
 #endif

include/esp32/esp_mn_models.h

@@ -29,9 +29,8 @@ char *esp_mn_language_from_name(char *model_name);
 /*
  Configure wake word to use based on what's selected in menuconfig.
 */
-#if defined CONFIG_USE_MULTINET
 
-#if CONFIG_SR_MN_CN_MULTINET2_SINGLE_RECOGNITION
+#ifdef CONFIG_SR_MN_CN_MULTINET2_SINGLE_RECOGNITION
 #include "multinet2_ch.h"
 #define MULTINET_COEFF get_coeff_multinet2_ch
 #define MULTINET_MODEL_NAME "mn2_cn"
@@ -41,10 +40,6 @@ char *esp_mn_language_from_name(char *model_name);
 #define MULTINET_MODEL_NAME "NULL"
 #endif
 
-#else
-#define MULTINET_COEFF      "COEFF_NULL"
-#define MULTINET_MODEL_NAME "NULL"
-#endif
 
 /* example
 

include/esp32/esp_ns.h

@@ -46,13 +46,14 @@ ns_handle_t ns_create(int frame_length);
  * @warning frame_length only supports be 10 ms.
  *
  * @param frame_length    The length of the audio processing can only be 10ms.
- * @param mode            0: Mild, 1: Medium, 2: Aggressive  
+ * @param mode            0: Mild, 1: Medium, 2: Aggressive
+ * @param sample_rate     The sample rate of the audio. 
  *
  * @return
  *         - NULL: Create failed
  *         - Others: The instance of NS
  */
-ns_handle_t ns_pro_create(int frame_length, int mode);
+ns_handle_t ns_pro_create(int frame_length, int mode, int sample_rate);
 
 /**
  * @brief Feed samples of an audio stream to the NS and get the audio stream after Noise suppression.