Voice Debate

pip install -U swarms voice-agents
export OPENAI_API_KEY=sk-...

from voice_agents import StreamingTTSCallback

# Deeper voice for Socrates, softer voice for Simone de Beauvoir
tts_callback1 = StreamingTTSCallback(voice="onyx", model="openai/tts-1")
tts_callback2 = StreamingTTSCallback(voice="nova", model="openai/tts-1")

from swarms import Agent, Conversation, history_output_formatter
from voice_agents import speech_to_text, record_audio, StreamingTTSCallback


def debate_with_speech(
    agents: list,
    max_loops: int = 1,
    task: str = None,
    output_type: str = "str-all-except-first",
    use_stt_for_input: bool = False,
):
    if len(agents) != 2:
        raise ValueError("There must be exactly two agents in the dialogue.")

    conversation = Conversation()
    agent1, agent2 = agents

    tts_callback1 = StreamingTTSCallback(voice="onyx", model="openai/tts-1")
    tts_callback2 = StreamingTTSCallback(voice="nova", model="openai/tts-1")

    # Optional: capture the opening prompt by voice
    if use_stt_for_input and task is None:
        print("Please speak your question or topic for the debate...")
        audio = record_audio(duration=10.0)
        task = speech_to_text(audio_data=audio, sample_rate=16000)
        print(f"Transcribed: {task}\n")

    conversation.add("User", task)
    message = task
    speaker, other = agent1, agent2
    current_callback, other_callback = tts_callback1, tts_callback2

    for i in range(max_loops):
        print(f"\n--- Turn {i+1}: {speaker.agent_name} speaking ---\n")
        response = speaker.run(task=message, streaming_callback=current_callback)
        current_callback.flush()

        conversation.add(speaker.agent_name, response)
        message = response

        # swap roles + callbacks
        speaker, other = other, speaker
        current_callback, other_callback = other_callback, current_callback

    tts_callback1.flush()
    tts_callback2.flush()

    return history_output_formatter(conversation=conversation, type=output_type)

socratic_prompt = """
You are Socrates, the Greek philosopher. Respond only with short and simple
questions or comments. Always question Simone de Beauvoir's answers. Never
agree, only point out problems or ask for clarification. Keep replies brief.
"""

existentialist_prompt = """
You are Simone de Beauvoir, an existentialist philosopher. Reply in short,
simple sentences. Always disagree with Socrates, question his reasoning, and
point out problems simply. Never agree. Keep your answers brief.
"""

agent1 = Agent(
    agent_name="Socrates",
    system_prompt=socratic_prompt,
    max_loops=1,
    model_name="gpt-5.4",
    dynamic_temperature_enabled=True,
    output_type="final",
    streaming_on=True,
)

agent2 = Agent(
    agent_name="Simone de Beauvoir",
    system_prompt=existentialist_prompt,
    max_loops=1,
    model_name="gpt-5.4",
    dynamic_temperature_enabled=True,
    output_type="final",
    streaming_on=True,
)

result = debate_with_speech(
    agents=[agent1, agent2],
    max_loops=10,
    task="What is the meaning of life?",
    output_type="str-all-except-first",
    use_stt_for_input=False,  # set True to dictate the opening prompt
)

print(result)