@aituber-onair/voice/dist/esm/engines/OpenAiEngine.js

Voice synthesis library for AITuber OnAir

import { OPENAI_TTS_API_URL } from '../constants/voiceEngine';
/**
 * OpenAI TTS voice synthesis engine
 */
export class OpenAiEngine {
    async fetchAudio(input, speaker, apiKey) {
        if (!apiKey) {
            throw new Error('OpenAI API key is required');
        }
        const talk = input;
        const text = talk.message.trim();
        const response = await fetch(OPENAI_TTS_API_URL, {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
                Authorization: `Bearer ${apiKey}`,
            },
            body: JSON.stringify({
                model: 'tts-1',
                voice: speaker,
                input: text,
            }),
        });
        if (!response.ok) {
            console.error('Failed to fetch TTS from OpenAI TTS:', response.status);
            throw new Error('Failed to fetch TTS from OpenAI TTS.');
        }
        const blob = await response.blob();
        return await blob.arrayBuffer();
    }
    getTestMessage(textVoiceText) {
        return textVoiceText || 'OpenAI TTSを使用します';
    }
}