diff --git a/src/components/Talk/ToolBar.vue b/src/components/Talk/ToolBar.vue
index 227ec1c3..886ee3f8 100644
--- a/src/components/Talk/ToolBar.vue
+++ b/src/components/Talk/ToolBar.vue
@@ -110,7 +110,7 @@ registerHotkeyWithCleanup({
 
 const trackToolbarAction = (actionName: string) => {
   void useAnalytics().trackEvent("aisp_toolbar_button_click", {
-    action_name: actionName,
+    action: actionName,
   });
 };
 
diff --git a/src/composables/useDialogAnalytics.ts b/src/composables/useDialogAnalytics.ts
index 744df4a8..630087fa 100644
--- a/src/composables/useDialogAnalytics.ts
+++ b/src/composables/useDialogAnalytics.ts
@@ -14,8 +14,8 @@ export function useDialogAnalytics(
     () => isOpen.value,
     (newValue) => {
       void analytics.trackEvent("aisp_dialog_state_change", {
-        dialog_name: dialogName,
-        dialog_state: newValue ? "opened" : "closed",
+        dialog: dialogName,
+        state: newValue ? "opened" : "closed",
       });
     },
   );
diff --git a/src/store/audioGenerate.ts b/src/store/audioGenerate.ts
index c3b7615f..1cb5d26d 100644
--- a/src/store/audioGenerate.ts
+++ b/src/store/audioGenerate.ts
@@ -8,6 +8,7 @@ import {
 } from "./type";
 import { convertAudioQueryFromEditorToEngine } from "./proxy";
 import { generateTempUniqueId } from "./utility";
+import { useAnalytics } from "@/composables/useAnalytics";
 
 const audioBlobCache: Record<string, Blob> = {};
 
@@ -56,12 +57,28 @@ export async function fetchAudioFromAudioItem(
       morphRate: audioItem.morphingInfo.rate,
     });
   } else {
+    const startTime = performance.now() / 1000;  // ミリ秒から秒に変換
     blob = await instance.invoke("synthesisSynthesisPost")({
       audioQuery: engineAudioQuery,
       speaker,
       enableInterrogativeUpspeak:
         state.experimentalSetting.enableInterrogativeUpspeak,
     });
+    const synthesisTime = (performance.now() / 1000) - startTime;
+    void useAnalytics().trackEvent("aisp_synthesis", {
+      // プライバシーの観点から、テキスト内容は送信しない
+      engineId: audioItem.voice.engineId,
+      speakerId: audioItem.voice.speakerId,
+      styleId: audioItem.voice.styleId,
+      speedScale: audioQuery.speedScale,
+      intonationScale: audioQuery.intonationScale,
+      tempoDynamicsScale: audioQuery.tempoDynamicsScale,
+      pitchScale: audioQuery.pitchScale,
+      volumeScale: audioQuery.volumeScale,
+      prePhonemeLength: audioQuery.prePhonemeLength,
+      postPhonemeLength: audioQuery.postPhonemeLength,
+      synthesisTime: synthesisTime,
+    });
   }
   audioBlobCache[id] = blob;
   return { audioQuery, blob };