выводит ошибку ValueError: Audio file could not be read as PCM WAV

from aiogram import Bot, Dispatcher, executor, types
from aiogram.types import Message, ContentType
import os
import requests
import speech_recognition as sr

# Initialize bot and dispatcher
bot = Bot(token="TOKEN")
dp = Dispatcher(bot)


# Define a handler for the /start command
@dp.message_handler(commands='start')
async def cmd_start(message: Message):
    # Create a reply keyboard
    markup = types.ReplyKeyboardMarkup(resize_keyboard=True, selective=True)
    markup.add("Voice message", "Other command")

    # Send message with keyboard
    await message.answer("Hi there! Choose a command:", reply_markup=markup)


# Define a handler for the "Voice message" button
@dp.message_handler(lambda message: message.text == "Voice message")
async def cmd_voice(message: Message):
    await message.answer("Please send your voice message")

    # Add a handler for voice messages
    @dp.message_handler(content_types=ContentType.VOICE)
    async def process_voice(message: Message):
        user_id = message.from_user.id
        file_id = message.voice.file_id
        file_url = bot.get_file_url(file_id)
        response = requests.get(file_url)

        # Save the voice message to PCM WAV file
        with open(f"{user_id}/voice_{file_id}.wav", "wb") as f:
            f.write(response.content)

        # Load the PCM WAV file
        r = sr.Recognizer()
        with sr.AudioFile(f"{user_id}/voice_{file_id}.wav") as source:
            audio = r.record(source)

        try:
            # Recognize the speech
            text = r.recognize_google(audio, language="ru-RU")
            await message.answer(f"Recognized text: {text}")
        except sr.UnknownValueError:
            await message.answer("Sorry, I couldn't understand the speech.")
        except sr.RequestError as e:
            await message.answer(f"Sorry, there was an error: {e}")


if __name__ == '__main__':
    executor.start_polling(dp, skip_updates=True)

выводит такую ошибку ValueError: Audio file could not be read as PCM WAV, AIFF/AIFF-C, or Native FLAC; check if file is corrupted or in another format