fix: incorrect home page url in header banner

* feat: support knwoledge base

* feat: support knwoledge base

app/lib/constants.ts

@@ -20,3 +20,34 @@ export const AVATARS = [
     name: "Joshua Heygen CEO",
   },
 ];
+
+export const STT_LANGUAGE_LIST = [
+  { label: 'Bulgarian', value: 'bg', key: 'bg' },
+  { label: 'Chinese', value: 'zh', key: 'zh' },
+  { label: 'Czech', value: 'cs', key: 'cs' },
+  { label: 'Danish', value: 'da', key: 'da' },
+  { label: 'Dutch', value: 'nl', key: 'nl' },
+  { label: 'English', value: 'en', key: 'en' },
+  { label: 'Finnish', value: 'fi', key: 'fi' },
+  { label: 'French', value: 'fr', key: 'fr' },
+  { label: 'German', value: 'de', key: 'de' },
+  { label: 'Greek', value: 'el', key: 'el' },
+  { label: 'Hindi', value: 'hi', key: 'hi' },
+  { label: 'Hungarian', value: 'hu', key: 'hu' },
+  { label: 'Indonesian', value: 'id', key: 'id' },
+  { label: 'Italian', value: 'it', key: 'it' },
+  { label: 'Japanese', value: 'ja', key: 'ja' },
+  { label: 'Korean', value: 'ko', key: 'ko' },
+  { label: 'Malay', value: 'ms', key: 'ms' },
+  { label: 'Norwegian', value: 'no', key: 'no' },
+  { label: 'Polish', value: 'pl', key: 'pl' },
+  { label: 'Portuguese', value: 'pt', key: 'pt' },
+  { label: 'Romanian', value: 'ro', key: 'ro' },
+  { label: 'Russian', value: 'ru', key: 'ru' },
+  { label: 'Slovak', value: 'sk', key: 'sk' },
+  { label: 'Spanish', value: 'es', key: 'es' },
+  { label: 'Swedish', value: 'sv', key: 'sv' },
+  { label: 'Turkish', value: 'tr', key: 'tr' },
+  { label: 'Ukrainian', value: 'uk', key: 'uk' },
+  { label: 'Vietnamese', value: 'vi', key: 'vi' },
+];

components/InteractiveAvatar.tsx

@@ -2,7 +2,7 @@ import type { StartAvatarResponse } from "@heygen/streaming-avatar";
 
 import StreamingAvatar, {
   AvatarQuality,
-  StreamingEvents,
+  StreamingEvents, TaskMode, TaskType, VoiceEmotion,
 } from "@heygen/streaming-avatar";
 import {
   Button,
@@ -23,7 +23,7 @@ import { useMemoizedFn, usePrevious } from "ahooks";
 
 import InteractiveAvatarTextInput from "./InteractiveAvatarTextInput";
 
-import { AVATARS } from "@/app/lib/constants";
+import {AVATARS, STT_LANGUAGE_LIST} from "@/app/lib/constants";
 
 export default function InteractiveAvatar() {
   const [isLoadingSession, setIsLoadingSession] = useState(false);
@@ -32,6 +32,8 @@ export default function InteractiveAvatar() {
   const [debug, setDebug] = useState<string>();
   const [knowledgeId, setKnowledgeId] = useState<string>("");
   const [avatarId, setAvatarId] = useState<string>("");
+  const [language, setLanguage] = useState<string>('en');
+
   const [data, setData] = useState<StartAvatarResponse>();
   const [text, setText] = useState<string>("");
   const mediaStream = useRef<HTMLVideoElement>(null);
@@ -89,12 +91,20 @@ export default function InteractiveAvatar() {
       const res = await avatar.current.createStartAvatar({
         quality: AvatarQuality.Low,
         avatarName: avatarId,
-        knowledgeId: knowledgeId,
+        knowledgeId: knowledgeId, // Or use a custom `knowledgeBase`.
+        voice: {
+          rate: 1.5, // 0.5 ~ 1.5
+          emotion: VoiceEmotion.EXCITED,
+        },
+        language: language,
+        disableIdleTimeout: true,
       });
 
       setData(res);
       // default to voice mode
-      await avatar.current?.startVoiceChat();
+      await avatar.current?.startVoiceChat({
+        useSilencePrompt: false
+      });
       setChatMode("voice_mode");
     } catch (error) {
       console.error("Error starting avatar session:", error);
@@ -109,9 +119,8 @@ export default function InteractiveAvatar() {
 
       return;
     }
-    await avatar.current
+    // speak({ text: text, task_type: TaskType.REPEAT })
-      .speak({ text: text, sessionId: data?.session_id! })
+    await avatar.current.speak({ text: text, taskType: TaskType.REPEAT, taskMode: TaskMode.SYNC }).catch((e) => {
-      .catch((e) => {
       setDebug(e.message);
     });
     setIsLoadingRepeat(false);
@@ -123,20 +132,13 @@ export default function InteractiveAvatar() {
       return;
     }
     await avatar.current
-      .interrupt({ sessionId: data?.session_id! })
+      .interrupt()
       .catch((e) => {
         setDebug(e.message);
       });
   }
   async function endSession() {
-    if (!avatar.current) {
+    await avatar.current?.stopAvatar();
-      setDebug("Avatar API not initialized");
-
-      return;
-    }
-    await avatar.current.stopAvatar({
-      sessionId: data?.session_id!,
-    });
     setStream(undefined);
   }
 
@@ -155,9 +157,9 @@ export default function InteractiveAvatar() {
   const previousText = usePrevious(text);
   useEffect(() => {
     if (!previousText && text) {
-      avatar.current?.startListening({ sessionId: data?.session_id! });
+      avatar.current?.startListening();
     } else if (previousText && !text) {
-      avatar?.current?.stopListening({ sessionId: data?.session_id! });
+      avatar?.current?.stopListening();
     }
   }, [text, previousText]);
 
@@ -249,6 +251,21 @@ export default function InteractiveAvatar() {
                     </SelectItem>
                   ))}
                 </Select>
+                <Select
+                  label="Select language"
+                  placeholder="Select language"
+                  className="max-w-xs"
+                  selectedKeys={[language]}
+                  onChange={(e) => {
+                    setLanguage(e.target.value);
+                  }}
+                >
+                  {STT_LANGUAGE_LIST.map((lang) => (
+                    <SelectItem key={lang.key}>
+                      {lang.label}
+                    </SelectItem>
+                  ))}
+                </Select>
               </div>
               <Button
                 className="bg-gradient-to-tr from-indigo-500 to-indigo-300 w-full text-white"

components/NavBar.tsx

@@ -28,7 +28,7 @@ export default function NavBar() {
           <Link
             isExternal
             color="foreground"
-            href="https://app.heygen.com/interactive-avatar"
+            href="https://labs.heygen.com/interactive-avatar"
           >
             Avatars
           </Link>

package.json

@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "@ai-sdk/openai": "^0.0.34",
-    "@heygen/streaming-avatar": "^2.0.0-beta.1",
+    "@heygen/streaming-avatar": "^2.0.8",
     "@nextui-org/button": "2.0.34",
     "@nextui-org/chip": "^2.0.32",
     "@nextui-org/code": "2.0.29",