Doubao Voice
Volcano Engine's large-scale speech model product line covers capabilities such as speech synthesis, voice cloning, speech recognition, real-time speech and audio generation. The official statement mentions that it provides over 400 timbres and more than 30 languages, and supports API and SDK access for enterprises.
Updated: 2026-10-26
What is Doubao Voice?
Doubao Voice is the voice technology product line of ByteDance. Its official website positions it as "AI voice models such as audio generation, voice cloning, and speech synthesis". It achieves film and television grade audio generation and multilingual, supernatural text-to-speech and voice conversion effects, and is applicable to scenarios such as content creation, video dubbing, customer service, automotive, and finance. It is not the same product as the Doubao App: it targets enterprises and developers and is accessed through APIs and SDKs. According to the official website, the daily call volume reaches 25 billion times, providing over 400 high-quality timbres, and it focuses on highly accurate voice conversion capabilities.
Who is it for?
- Platforms engaged in video dubbing and audio content creation that require large-scale and stable TTS services
- Manufacturers developing in-vehicle voice and smart hardware interaction, with the official website listing automobiles and smart hardware as application scenarios
- Enterprises in the customer service and financial industries, used for intelligent quality inspection, customer service assistants, and real-time meeting recognition
- Teams for office and education products that conduct meeting and interview transcription and oral evaluation
- For enterprises with overseas expansion needs, the official website states that it covers more than 30 languages and supports overseas cluster deployment.
Key features
6Speech Synthesis
The official website states that it possesses supernatural speech synthesis capabilities, adept at expressing various emotions and interpreting rich scenarios; the page audition is powered by Doubao-TTS 2.0, offering voices such as Xiao He 2.0, Vivi 2.0, Xiao Tian 2.0, and Yun Zhou 2.0.
Voice Cloning
The official website states that voice cloning can be achieved in as little as 5 seconds, with a high degree of restoration in timbre similarity and naturalness of the voice, making it an ultra-lightweight timbre customization solution.
Audio Generation
The official claims that by inputting text, images or a reference audio clip and describing it in natural language, high-quality audio can be generated with zero samples; human voices, background music and sound effects can be generated in one go and automatically mixed into film and television-grade multi-track finished products, and long-term timbre stability is supported.
Real-time Speech Large Model
It deeply integrates speech and text modalities using native methods, and the official states that it is a true end-to-end speech dialogue model.
Speech Recognition
The official website states that it offers high accuracy, excels at personalized speech recognition, and supports mixed recognition of multiple dialects; the recording file recognition function includes semantic fluency, intelligent sentence segmentation, automatic punctuation, and number normalization.
Voice Podcast
Doubao Voice Podcast Large Model is used to create colloquial podcast content for two-person dialogues and generate audio with a supernatural podcast style.
How to use Doubao Voice
- Before accessing, verify the timbre using the official website's trial panel: enter text with no more than 500 characters, compare among several timbres, and then decide which one to use.
- There are more models and functions in the console.
- Select the product form according to the scenario: use text-to-speech to only read text out loud, use voice cloning for a brand-exclusive voice, use audio generation for complete audio works, and use real-time voice models for real-time conversation scenarios.
- The official website lists limited-time special offer packages, including a 30-minute audio generation package, a 100,000-character text-to-speech and voice cloning package, and a 30-hour audio file recognition package, all marked as exclusive to new customers with purchase limits.
- The prices may be adjusted according to promotions.
- please refer to the instructions on the official website's corresponding page before purchasing.
- Regarding the deployment method, the official website states that it provides more than 20 types of public cloud and private cloud voice products, supporting online, offline and SDK access.
- For industries with high requirements on data compliance, private deployment can be evaluated.
- For the cloning of real human voices, it is imperative to first obtain the person's authorization and confirm the scope of use of the generated content.
Traffic & popularity
Data month Sep 2026
Doubao Voice receives about 14.4M visits per month and ranks #2,838 worldwide.
Monthly visits
12 monthsTraffic sources
- Direct60.1%
- Search20.0%
- Referrals10.2%
- Display ads7.4%
- Social1.6%
- Other0.8%
Top countries
- China87.1%
- United States5.7%
- Hong Kong, China2.3%
- Singapore1.0%
- Taiwan, China0.9%
Estimated from third-party traffic data.
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