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OpenAI TTS HD: AI Text-to-Speech in filmaris

Generate professional audio content with OpenAI TTS HD by OpenAI. $30 / 1M chars. Integrated into the filmaris AI film editing platform with real-time preview, multi-track timeline, and BYOK support.

OpenAI TTS HD AI audio generation model hero image showing audio output examples in filmaris editorStart Creating

What is OpenAI TTS HD?

OpenAI TTS HD is a text-to-speech model from OpenAI available in filmaris. It processes text input and generates audio up to 600 seconds long. Priced at $30 / 1M chars, it is competitively priced for its capabilities. Within filmaris, OpenAI TTS HD is used to generate voiceover narration, dialogue, sound effects, or background music for your film projects. Generated audio clips are placed on dedicated audio tracks in the multi-track timeline, where you can adjust volume, apply trim points, and synchronize them precisely with your video clips. The AI handles the audio production; you control the mix and timing.

Key Capabilities of OpenAI TTS HD

OpenAI TTS HD specializes in converting written text into natural-sounding speech. It supports multiple voices and languages, making it suitable for narration, character dialogue, and multilingual film productions. Voice parameters like stability and similarity can be adjusted to control how expressive or consistent the output sounds. Generated speech integrates directly onto audio tracks in the filmaris timeline, where precise synchronization with video clips is handled through trim points and volume keyframes. The model processes text input and delivers audio output, completing the pipeline from written script to spoken dialogue.

OpenAI TTS HD audio generation capabilities demonstration in filmaris

Using OpenAI TTS HD in filmaris

OpenAI TTS HD integrates into filmaris through both the Script Generator and the direct editor workflow. During script generation, the system automatically assigns OpenAI TTS HD to produce voiceover and dialogue for each scene. In the editor, you create audio prompts manually, select OpenAI TTS HD, configure parameters like voice, language, and stability, and generate. Audio clips arrive on dedicated timeline tracks where the AudioMixer handles volume, panning, and synchronization. The BYOK system accepts OpenAI API keys for cost reduction. Multilingual support (English, German, Spanish, French, Chinese, Hindi) matches the platform localization.

OpenAI TTS HD integration in the filmaris audio editor workspace

Specifications

ProviderOpenAI
TypeText-to-Speech
Cost$30 / 1M chars
Max Duration600 seconds
Input TypesText
Available on platform sinceMarch 2026

Key Features

✓Integrated in filmaris editor
✓BYOK (Bring Your Own API Key) support
✓Real-time preview

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FAQ

How much does OpenAI TTS HD cost?

OpenAI TTS HD costs $30 / 1M chars through the filmaris platform. Each generation uses filmaris credits equal to its AI cost (1,000 credits = $1), with no markup on consumption. If you bring your own API key (BYOK), the provider bills the AI cost directly to your account, and your filmaris credits cost only your plan's margin.

What can I create with OpenAI TTS HD?

OpenAI TTS HD converts written text into natural-sounding speech in multiple voices and languages. Use it for narration, character dialogue, voiceover, and any spoken audio in your film projects.

Can I use my own API key with OpenAI TTS HD?

Yes, filmaris supports Bring Your Own API Key (BYOK) for OpenAI TTS HD. You can add your OpenAI API key in your account settings. When a valid key is detected, the platform routes your generation requests through your own account, so OpenAI bills the audio generation cost directly to you. The filmaris credits each generation uses then cost only your plan's margin.

OpenAI TTS HD: AI Audio Model — Specs & Price | filmaris