pip install "getpatter[silero]"

npm install getpatter onnxruntime-node@~1.18.0

import asyncio
from getpatter.providers.silero_vad import SileroVAD

# Recommended for telephony pipelines
vad = await asyncio.to_thread(SileroVAD.for_phone_call)

# Or, full control:
vad = SileroVAD.load(
    activation_threshold=0.8,        # Silero `threshold`; 0.8 tuned for telephony
    deactivation_threshold=0.65,     # `neg_threshold = threshold - 0.15`
    min_speech_duration=0.25,        # seconds, `min_speech_duration_ms = 250`
    min_silence_duration=0.1,        # seconds, `min_silence_duration_ms = 100`
    prefix_padding_duration=0.03,    # seconds, `speech_pad_ms = 30`
    sample_rate=16000,               # 8000 or 16000 only
    force_cpu=True,
)

import { SileroVAD } from "getpatter";

// Recommended for telephony pipelines
const vad = await SileroVAD.forPhoneCall();

// Or, full control:
const vad2 = await SileroVAD.load({
  activationThreshold: 0.8,
  deactivationThreshold: 0.65,
  minSpeechDuration: 0.25,
  minSilenceDuration: 0.1,
  prefixPaddingDuration: 0.03,
  sampleRate: 16000,
  forceCpu: true,
});

vad = await asyncio.to_thread(
    SileroVAD.for_phone_call,
    min_silence_duration=0.5,
)

const vad = await SileroVAD.forPhoneCall({ minSilenceDuration: 0.5 });

import asyncio
from getpatter import Patter, Twilio, DeepgramSTT, AnthropicLLM, ElevenLabsTTS
from getpatter.providers.silero_vad import SileroVAD

phone = Patter(carrier=Twilio(), phone_number="+15550001234")

vad = await asyncio.to_thread(SileroVAD.for_phone_call)

agent = phone.agent(
    stt=DeepgramSTT(),
    llm=AnthropicLLM(),
    tts=ElevenLabsTTS(voice_id="rachel"),
    vad=vad,                                # explicit, or omit to auto-load
    system_prompt="You are a helpful assistant.",
)

await phone.serve(agent)

import { Patter, Twilio, DeepgramSTT, AnthropicLLM, ElevenLabsTTS, SileroVAD } from "getpatter";

const phone = new Patter({ carrier: new Twilio(), phoneNumber: "+15550001234" });

const vad = await SileroVAD.forPhoneCall();

const agent = phone.agent({
  stt: new DeepgramSTT(),
  llm: new AnthropicLLM(),
  tts: new ElevenLabsTTS({ voiceId: "rachel" }),
  vad,                                      // explicit, or omit to auto-load
  systemPrompt: "You are a helpful assistant.",
});

await phone.serve({ agent });