diff --git a/examples/voice_control/README.md b/examples/voice_control/README.md
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+# Voice Assistant Examples
+
+Voice-enabled robot assistant examples using speech-to-text (STT), and text-to-speech (TTS).
+
+## Overview
+
+These examples demonstrate how to build a voice interface for robot control:
+
+1. **Hold SPACE** → Push-to-talk recording starts
+2. **Release SPACE** → Recording stops
+3. **STT (Whisper)** → Converts speech to text (high-level task prompt)
+4. **Pi0.5** → Generates robot response/utterance
+5. **TTS (Kokoro)** → Speaks the response back
+
+## Requirements
+
+```bash
+pip install torch transformers sounddevice numpy pynput kokoro>=0.9.2
+```
+
+## Usage
+
+### With Pi0.5 Model
+
+```bash
+python examples/voice_assistant/voice_assistant_pi05.py \
+    --pretrained_path path/to/pi05/checkpoint
+```
+
+## How It Works
+
+### Pi0.5 Voice Integration
+
+Pi0.5 can generate robot utterances as part of its subtask prediction. The flow:
+
+1. **High-level prompt**: User voice command is transcribed and formatted as a task prompt
+2. **Subtask generation**: Pi0.5 autoregressively generates a response
+3. **Utterance extraction**: If the response contains `<utterance>...</utterance>` tags, the content is extracted
+4. **TTS output**: The response is spoken back to the user
+
+## Configuration Options
+
+| Option | Default | Description |
+|--------|---------|-------------|
+| `--pretrained_path` | None | Path to Pi0.5 checkpoint |
+| `--record_seconds` | 5.0 | Audio recording duration |
+| `--max_response_tokens` | 100 | Max tokens in generated response |
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diff --git a/examples/voice_control/voice_assistant_pi05.py b/examples/voice_control/voice_assistant_pi05.py
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+#!/usr/bin/env python
+"""
+Voice Assistant with Pi0.5: Microphone → STT → Pi0.5 → TTS → Speaker
+
+This example demonstrates how to use Pi0.5 as a conversational robot assistant:
+1. Hold SPACE to record your voice command
+2. Speech-to-text (Whisper) converts speech to text
+3. Text is fed as a high-level prompt to Pi0.5
+4. Pi0.5 generates a response (robot utterance)
+5. Text-to-speech (Kokoro) speaks the response back
+
+Requirements:
+    pip install torch transformers sounddevice numpy pynput kokoro>=0.9.2
+
+Usage:
+    python examples/voice_assistant/voice_assistant_pi05.py \
+        --pretrained_path lerobot/pi0.5-base
+"""
+
+import os
+
+os.environ["TOKENIZERS_PARALLELISM"] = "false"
+
+import argparse
+import re
+import subprocess
+import threading
+import time
+
+import numpy as np
+import sounddevice as sd
+import torch
+from pynput import keyboard
+from transformers import AutoTokenizer, WhisperForConditionalGeneration, WhisperProcessor
+
+from lerobot.policies.pi05.configuration_pi05 import PI05Config
+from lerobot.policies.pi05.modeling_pi05 import PI05Pytorch
+
+SAMPLE_RATE = 16000
+
+
+def get_device():
+    if torch.cuda.is_available():
+        return torch.device("cuda")
+    elif torch.backends.mps.is_available():
+        return torch.device("mps")
+    return torch.device("cpu")
+
+
+class Pi05VoiceAssistant:
+    """Voice assistant using Pi0.5 for generating robot utterances."""
+
+    def __init__(
+        self,
+        pretrained_path: str | None = None,
+        max_response_tokens: int = 100,
+        max_record_seconds: float = 30.0,
+    ):
+        self.device = get_device()
+        self.dtype = torch.float32 if self.device.type == "mps" else torch.bfloat16
+        self.max_response_tokens = max_response_tokens
+        self.max_record_seconds = max_record_seconds
+
+        # Push-to-talk state
+        self._recording = False
+        self._audio_chunks: list[np.ndarray] = []
+        self._stream: sd.InputStream | None = None
+
+        print(f"Using device: {self.device}")
+        self._load_models(pretrained_path)
+
+    def _load_models(self, pretrained_path: str | None):
+        print("Loading STT (Whisper tiny)...")
+        self.stt_processor = WhisperProcessor.from_pretrained("openai/whisper-tiny.en")
+        self.stt_model = WhisperForConditionalGeneration.from_pretrained(
+            "openai/whisper-tiny.en", torch_dtype=self.dtype
+        ).to(self.device)
+
+        print("Loading Pi0.5 model...")
+        self._load_pi05(pretrained_path)
+
+        print("Loading tokenizer...")
+        self.tokenizer = AutoTokenizer.from_pretrained("google/paligemma-3b-pt-224")
+
+        self._load_tts()
+        print("Ready!\n")
+
+    def _load_pi05(self, pretrained_path: str | None):
+        """Load Pi0.5 model for utterance generation."""
+        config = PI05Config()
+        config.dtype = "float32" if self.device.type == "mps" else "bfloat16"
+
+        self.pi05_model = PI05Pytorch(config)
+
+        if pretrained_path:
+            try:
+                from safetensors.torch import load_file
+                state_dict = load_file(f"{pretrained_path}/model.safetensors")
+                self.pi05_model.load_state_dict(state_dict, strict=False)
+                print(f"✓ Loaded Pi0.5 weights from {pretrained_path}")
+            except Exception as e:
+                print(f"Warning: Could not load pretrained weights: {e}")
+                print("Using randomly initialized model for demo purposes")
+
+        self.pi05_model = self.pi05_model.to(self.device)
+        self.pi05_model.eval()
+
+    def _load_tts(self):
+        try:
+            print("Loading TTS (Kokoro 82M)...")
+            from kokoro import KPipeline
+
+            self.tts_pipeline = KPipeline(lang_code="a")  # American English
+            self.tts_voice = "af_heart"
+            self.tts_type = "kokoro"
+            print("Kokoro loaded!")
+        except Exception as e:
+            print(f"Kokoro not available ({e})")
+            print("Using macOS `say` for TTS")
+            self.tts_pipeline = None
+            self.tts_type = "system"
+
+    def _audio_callback(self, indata, frames, time_info, status):
+        """Callback for audio stream - collects chunks while recording."""
+        if self._recording:
+            self._audio_chunks.append(indata.copy())
+
+    def _start_recording(self):
+        """Start recording audio."""
+        if self._recording:
+            return
+        self._recording = True
+        self._audio_chunks = []
+        print("🎤 Recording... (release SPACE to stop)")
+
+    def _stop_recording(self) -> np.ndarray | None:
+        """Stop recording and return the audio."""
+        if not self._recording:
+            return None
+        self._recording = False
+
+        if not self._audio_chunks:
+            return None
+
+        audio = np.concatenate(self._audio_chunks, axis=0).flatten()
+        duration = len(audio) / SAMPLE_RATE
+        volume = np.abs(audio).max()
+        print(f"Recorded {duration:.1f}s, volume: {volume:.4f}")
+
+        if volume < 0.001:
+            print("⚠️  Very low audio - check microphone permissions!")
+            return None
+
+        return audio
+
+    def wait_for_spacebar(self) -> np.ndarray | None:
+        """Wait for spacebar press, record while held, return audio on release."""
+        audio_result = None
+        recording_done = threading.Event()
+
+        def on_press(key):
+            if key == keyboard.Key.space:
+                self._start_recording()
+
+        def on_release(key):
+            nonlocal audio_result
+            if key == keyboard.Key.space and self._recording:
+                audio_result = self._stop_recording()
+                recording_done.set()
+                return False  # Stop listener
+
+        # Start audio stream
+        self._stream = sd.InputStream(
+            samplerate=SAMPLE_RATE,
+            channels=1,
+            dtype="float32",
+            callback=self._audio_callback,
+            blocksize=int(SAMPLE_RATE * 0.1),  # 100ms blocks
+        )
+
+        with self._stream:
+            print("\n⏳ Press and hold SPACE to speak...")
+            with keyboard.Listener(on_press=on_press, on_release=on_release) as listener:
+                # Wait for recording to complete or timeout
+                recording_done.wait(timeout=self.max_record_seconds)
+                if self._recording:
+                    audio_result = self._stop_recording()
+
+        return audio_result
+
+    def transcribe(self, audio: np.ndarray) -> str:
+        start = time.perf_counter()
+        inputs = self.stt_processor(audio, sampling_rate=SAMPLE_RATE, return_tensors="pt")
+        input_features = inputs.input_features.to(self.device, dtype=self.dtype)
+        tokens = self.stt_model.generate(input_features)
+        text = self.stt_processor.batch_decode(tokens, skip_special_tokens=True)[0]
+        print(f"STT: {time.perf_counter() - start:.2f}s")
+        return text.strip()
+
+    def _create_dummy_images(self, batch_size: int = 1) -> tuple[list[torch.Tensor], list[torch.Tensor]]:
+        """Create placeholder images for Pi0.5 when no camera is available."""
+        image_shape = (batch_size, 3, 224, 224)
+        dummy_image = torch.zeros(image_shape, dtype=torch.float32, device=self.device)
+        dummy_mask = torch.ones(batch_size, dtype=torch.bool, device=self.device)
+        return [dummy_image], [dummy_mask]
+
+    def _tokenize_prompt(self, text: str) -> tuple[torch.Tensor, torch.Tensor]:
+        """Tokenize the user prompt for Pi0.5."""
+        prompt = f"User request: {text}\nRobot response:"
+        tokenized = self.tokenizer(
+            [prompt],
+            max_length=200,
+            truncation=True,
+            padding="max_length",
+            return_tensors="pt",
+        )
+        tokens = tokenized["input_ids"].to(self.device)
+        masks = tokenized["attention_mask"].to(self.device, dtype=torch.bool)
+        return tokens, masks
+
+    def generate_response(self, user_text: str) -> str:
+        """Generate robot utterance using Pi0.5's language generation."""
+        start = time.perf_counter()
+
+        images, img_masks = self._create_dummy_images()
+        tokens, masks = self._tokenize_prompt(user_text)
+
+        with torch.no_grad():
+            generated_tokens = self.pi05_model._generate_subtask_tokens(
+                images=images,
+                img_masks=img_masks,
+                tokens=tokens,
+                masks=masks,
+                tokenizer=self.tokenizer,
+                max_length=self.max_response_tokens,
+                device=self.device,
+            )
+
+        # Decode generated tokens
+        valid_tokens = generated_tokens[0][generated_tokens[0] != 0]
+        response = self.tokenizer.decode(valid_tokens, skip_special_tokens=True)
+
+        # Extract utterance if marked with special tokens
+        response = self._extract_utterance(response)
+
+        print(f"Pi0.5: {time.perf_counter() - start:.2f}s")
+        return response.strip()
+
+    def _extract_utterance(self, text: str) -> str:
+        """Extract utterance from between <utterance> tokens if present."""
+        pattern = r"<utterance>(.*?)</utterance>"
+        match = re.search(pattern, text, re.DOTALL)
+        if match:
+            return match.group(1).strip()
+        return text
+
+    def speak(self, text: str):
+        start = time.perf_counter()
+        if self.tts_type == "kokoro":
+            generator = self.tts_pipeline(text, voice=self.tts_voice)
+            audio_chunks = [audio for _, _, audio in generator]
+            if audio_chunks:
+                audio = np.concatenate(audio_chunks)
+                sd.play(audio, 24000)
+                sd.wait()
+        else:
+            subprocess.run(["say", text], check=True)
+        print(f"TTS: {time.perf_counter() - start:.2f}s")
+
+    def run(self):
+        print("=" * 50)
+        print("Pi0.5 Voice Assistant")
+        print("=" * 50)
+        print("• Hold SPACE to record your voice command")
+        print("• Release SPACE when done speaking")
+        print("• Press Ctrl+C to exit")
+        print("=" * 50)
+
+        while True:
+            try:
+                audio = self.wait_for_spacebar()
+
+                if audio is None:
+                    print("(no audio captured)\n")
+                    continue
+
+                user_text = self.transcribe(audio)
+
+                if not user_text:
+                    print("(no speech detected)\n")
+                    continue
+
+                print(f"You: {user_text}")
+
+                response = self.generate_response(user_text)
+                print(f"Robot: {response}\n")
+
+                self.speak(response)
+
+            except KeyboardInterrupt:
+                print("\nGoodbye!")
+                break
+
+
+def main():
+    parser = argparse.ArgumentParser(description="Pi0.5 Voice Assistant")
+    parser.add_argument(
+        "--pretrained_path",
+        type=str,
+        default=None,
+        help="Path to pretrained Pi0.5 model (optional)",
+    )
+    parser.add_argument(
+        "--max_response_tokens",
+        type=int,
+        default=100,
+        help="Maximum tokens in generated response",
+    )
+    parser.add_argument(
+        "--max_record_seconds",
+        type=float,
+        default=30.0,
+        help="Maximum recording duration in seconds",
+    )
+    args = parser.parse_args()
+
+    assistant = Pi05VoiceAssistant(
+        pretrained_path=args.pretrained_path,
+        max_response_tokens=args.max_response_tokens,
+        max_record_seconds=args.max_record_seconds,
+    )
+    assistant.run()
+
+
+if __name__ == "__main__":
+    main()