Speak when silent
# ask-ai
a
Speak when silent
t
Thanks for reaching out, Sanjeev. I'm an AI assistant and I'm here to help. Give me a moment while I research this topic.
It seems like you might be referring to detecting transitions from silence to speech. In LiveKit, the
AudioEnergyFilter
class is used for this purpose. It calculates the root mean square (RMS) of audio data to determine if speech has started. If the RMS exceeds a certain threshold, it transitions from a silent state to a speaking state. Let me know if you need further details or clarification! Sources: Tree View: | dse-workbench
a
I want the agent prompt the human if he is silent for 5 seconds
t
You can implement a feature to prompt a user after 5 seconds of silence using a timer to monitor user interaction. Here's an example approach:
Copy code
import asyncio
import time

SILENCE_THRESHOLD = 5  # seconds

async def entrypoint(ctx: JobContext):
    user_last_spoke_time = time.time()
    monitor_task = None

    async def monitor_interaction():
        while True:
            if time.time() - user_last_spoke_time > SILENCE_THRESHOLD:
                # Prompt the user here
                await agent.say("Are you still there?")
            await asyncio.sleep(1)

    @agent.on("user_started_speaking")
    def on_user_started_speaking(_msg: llm.ChatMessage):
        user_last_spoke_time = time.time()

    monitor_task = asyncio.create_task(monitor_interaction())

    agent.start(ctx.room, participant)

    async def on_shutdown():
        if monitor_task:
            monitor_task.cancel()
    ctx.add_shutdown_callback(on_shutdown)
This code monitors the time since the user last spoke and prompts them if the silence exceeds 5 seconds. Let me know if you need further assistance! Sources: How to detect and handle silence during calls
a
Will it account for agent speaking?
t
The provided implementation for silence detection does not explicitly account for when the agent is speaking. To include this functionality, you would need to modify the logic to track both user and agent activity. For example, you could add a similar event listener for when the agent starts speaking and reset the silence timer accordingly. Let me know if you'd like further guidance on implementing this!
a
Yes please I want the code to start the timer when agents finished speaking and waits for user turn .once use starts speaking it should reset
t
I'm sorry, but I don't have the information you need at the moment. If you would like a member of the LiveKit team to respond, please ask your question in one of the other channels.