CSM-1B
CSM-1B: Generate realistic speech and audio from text.
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CSM-1B is a state-of-the-art audio generation model that produces high-quality speech and sound from text descriptions. It is designed for creators who need to quickly generate voiceovers, character voices, ambient sounds, or music snippets without recording equipment or voice actors.
Use CSM-1B when you need a natural-sounding narration for a video, a unique voice for a game character, or a specific sound effect for a project. The model excels at capturing tone, emotion, and style from your text prompt, giving you fine control over the output.
What makes CSM-1B distinctive is its ability to generate both speech and non-speech audio in a single model, with a wide range of voices and sound effects. It handles multiple languages and accents, and can even mimic specific vocal qualities like whisper, shout, or sing.
- Voiceovers for videos and presentations
- Character voices for games and animations
- Sound effects for podcasts and films
- Audiobook narration and storytelling
- Language learning and pronunciation practice
Produces human-like speech with appropriate emotion and intonation.
Generates both speech and sound effects from a single model.
Works with multiple languages and accents for global reach.
- Keep prompts concise and descriptive for best results.
- Specify desired emotion or tone (e.g., 'cheerful', 'whisper').
- Use punctuation to control pacing and pauses.
- Experiment with different voices if the first output isn't perfect.
- May occasionally produce robotic or unnatural intonation.
- Struggles with very long or complex sentences.
- Cannot generate music with instruments or singing.
A powerful, dramatic male voice with reverb: 'In a world where darkness reigns, one hero will rise.'
A soft, close-up whisper: 'Relax... let the stress melt away... you are safe.'
A metallic, monotone robot voice: 'System online. All functions nominal. Proceed with mission.'
A number that makes results reproducible; same seed and prompt give the same audio.
Limits the pool of possible sounds to the most likely ones; lower values make output more focused.
Selects a predefined voice style (e.g., 'male', 'female', 'robot').
Sets the length of the generated audio in seconds (e.g., 5, 10, 30).
Controls randomness: lower values produce more predictable audio, higher values create more variety.
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Can I use CSM-1B for commercial projects?
Yes, you can use generated audio in commercial projects, but check the platform's terms for specific usage rights.
Does CSM-1B support multiple languages?
Yes, it supports many languages including English, Spanish, French, German, and more.
How long can the generated audio be?
The maximum duration depends on the platform, but typically up to 30 seconds per generation.