voiceover_test.py

from manim import *
from manim_voiceover import VoiceoverScene
from manim_voiceover.services.openai import OpenAIService
from dotenv import load_dotenv
import os
load_dotenv()

OPENAI_API_KEY=os.getenv("OPENAI_API_KEY")



# Simply inherit from VoiceoverScene instead of Scene to get all the voiceover functionality.
class RecorderExample(VoiceoverScene):
    def construct(self):
        # You can choose from a multitude of TTS services,
        # or in this example, record your own voice:
        self.set_speech_service(OpenAIService(voice="alloy", api_key=OPENAI_API_KEY))

        circle = Circle()

        # Surround animation sections with with-statements:
        with self.voiceover(text="This circle is drawn as I speak.") as tracker:
            self.play(Create(circle), run_time=tracker.duration)
            # The duration of the animation is received from the audio file
            # and passed to the tracker automatically.

        # This part will not start playing until the previous voiceover is finished.
        with self.voiceover(text="Let's shift it to the left 2 units.") as tracker:
            self.play(circle.animate.shift(2 * LEFT), run_time=tracker.duration)