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I have a agent with common n instructions for all ...
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m
I have a agent with common n instructions for all languages I need to make the agent multilingual, I have langauge specific instructions I write a tool to switch langauge. How to give the langauge instructions when switching the language
t
Thanks for reaching out, Rajadurai. I'm an AI assistant and I'm here to help. Give me a moment while I research this topic.
To provide language-specific instructions when switching languages for your multilingual agent, you can follow these steps: 1. Implement Language-switching Functionality: Create a helper method to switch languages, updating both Text-to-Speech (TTS) and Speech-to-Text (STT) configurations. This ensures the agent can process and respond in the selected language. 2. Provide Language-specific Instructions: Use a dictionary to store greetings and instructions in different languages. When the language changes, retrieve and use the corresponding greeting or instruction. 3. Update STT and TTS Configurations: Adjust the TTS provider's language and voice settings, and update the STT settings to match the new language for accurate transcription and response. Here’s an example of how you can implement this:
Copy code
class LanguageSwitcherAgent(Agent):
    def __init__(self):
        super().__init__(
            instructions="You are a helpful assistant communicating through voice. You can switch to a different language if asked.",
            stt=deepgram.STT(model="nova-2-general", language="en"),
            llm=openai.LLM(model="gpt-4o"),
            tts=elevenlabs.TTS(model="eleven_turbo_v2_5", language="en"),
            vad=silero.VAD.load()
        )
        self.current_language = "en"
        self.greetings = {
            "en": "Hello! I'm now speaking in English. How can I help you today?",
            "es": "¡Hola! Ahora estoy hablando en español. ¿Cómo puedo ayudarte hoy?",
            "fr": "Bonjour! Je parle maintenant en français. Comment puis-je vous aider aujourd'hui?",
            "de": "Hallo! Ich spreche jetzt Deutsch. Wie kann ich Ihnen heute helfen?",
            "it": "Ciao! Ora sto parlando in italiano. Come posso aiutarti oggi?"
        }

    async def _switch_language(self, language_code: str):
        if language_code == self.current_language:
            await self.session.say(f"I'm already speaking in {self.language_names[language_code]}.")
            return

        if self.tts is not None:
            self.tts.update_options(language=language_code)

        if self.stt is not None:
            deepgram_language = self.deepgram_language_codes.get(language_code, language_code)
            self.stt.update_options(language=deepgram_language)

        self.current_language = language_code
        await self.session.say(self.greetings[language_code])
This approach ensures that your agent provides clear, localized instructions and responses when switching languages.
m
Here only TTS model is changed,I want to update the instructions
t
To update the agent's instructions dynamically when switching languages, you can tweak the 
_switch_language
method to include an update to the instructions using the 
update_instructions()
method. This way, the agent’s behavior stays perfectly in sync with the language you’ve chosen. Here’s a simple example to illustrate:
Copy code
async def _switch_language(self, language_code: str):
    """Helper method to switch the language and update instructions"""
    if language_code == self.current_language:
        await self.session.say(f"I'm already speaking in {self.language_names[language_code]}.")
        return

    if self.tts is not None:
        self.tts.update_options(language=language_code)

    if self.stt is not None:
        deepgram_language = self.deepgram_language_codes.get(language_code, language_code)
        self.stt.update_options(language=deepgram_language)

    # Update agent instructions for the new language
    new_instructions = f"""
        You are a helpful assistant communicating through voice in {self.language_names[language_code]}.
        You can switch to a different language if asked.
        Don't use any unpronounceable characters.
    """
    await self.update_instructions(new_instructions)

    self.current_language = language_code

    await self.session.say(self.greetings[language_code])
Here are a few key things to keep in mind: • Dynamic Instruction Updates: Use the 
update_instructions()
method to set fresh instructions that match the language you’ve picked. • Language-specific Instructions: Tailor the instructions for each language so they’re clear and relevant. • STT and TTS Configuration: Make sure the Speech-to-Text and Text-to-Speech parts are updated to handle the new language smoothly. This approach helps keep your agent’s instructions and behavior perfectly aligned with the language you want. If you have any questions or want me to walk you through it further, just let me know—I’m here to help! Sources: basics/change_agent_instructions.py | livekit-agents/livekit/agents/voice/generation.py
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