# Voice synthesis

OuteTTS-0.1-350M is a text-to-speech synthesis technology based on a pure language model, requiring no external adapters or complex architectures, achieving high-quality voice synthesis through carefully designed prompts and audio tokenization. This model is based on the LLaMa architecture, utilizing 350 million parameters to demonstrate the potential for direct voice synthesis using language models. It processes audio in three steps: using WavTokenizer for audio tokenization, creating precise word-to-audio mappings through CTC forced alignment, and generating structured prompts that follow specific formats. The key advantages of OuteTTS include a pure language modeling approach, voice cloning capabilities, and compatibility with llama.cpp and GGUF formats.

BaoYin is a free online text-to-speech voice synthesis software offering nearly a hundred voiceover templates, primarily focusing on film and television introductions, thematic documentary voicing, and advertising voicing. It boasts highly customizable advantages and can tailor various voice styles according to user needs.

OpenVoice V2 is a text-to-speech (TTS) model released in April 2024, which includes all the features of V1 and has been improved. It employs a distinct training strategy to deliver superior sound quality, supporting English, Spanish, French, Chinese, Japanese, and Korean, among other languages. Additionally, it provides free usage for commercial purposes. OpenVoice V2 can precisely clone reference pitch coloration and generate speech in various languages and accents. It also supports zero-shot cross-language cloning, meaning the language of the generated speech and the reference speech do not need to be present in a large-scale multilingual training dataset.

Voice Engine is an advanced speech synthesis model that requires only 15 seconds of voice samples to generate natural speech that is extremely similar to the original speaker. This model is widely used in the fields of education, entertainment, healthcare, and more, offering reading assistance for non-reading audiences, translating speech for video and podcast content, and providing unique voice characteristics for non-verbal individuals. Its significant advantages include the minimal number of voice samples required, high-quality generated speech, and multi-language support. Voice Engine is currently in a limited preview stage, with OpenAI discussing its potential applications and ethical challenges with individuals from various sectors.

Stability AI's high-fidelity text-to-speech models aim to provide natural language guidance for training voice synthesis models on large datasets. This is achieved by annotating different speaker identities, styles, and recording conditions. This approach is then applied to a dataset of 45,000 hours of data to train the voice language model. Additionally, the model proposes simple methods for enhancing audio fidelity, which, despite relying entirely on discovered data, perform remarkably well.

Crikk is an affordable yet powerful text-to-speech tool supporting 56 languages, providing real text-to-speech technology. Whether used for audio broadcasting, audiobooks, or education, Crikk offers high-quality sound synthesis to users. Users can opt for a free trial or subscribe to the professional version at $20 per month, which comes with a monthly limit of 500,000 characters, 6 distinct voices, and 56 languages. Additionally, Crikk will also launch a mobile app to perform text-to-speech on images or PDFs. Monster Incorporation Inc. is headquartered in Delaware, United States.

Zide Voice technology enables you to create your own character with simple steps. Similar to GPT, it can generate voice segments indistinguishable from real humans, matching real human qualities in terms of emotion, tone, and speaking pace. Zide Voice supports rapid character customization, requiring only an uploaded voice sample to instantly generate your personalized voice character. No software download is needed; voice generation can be completed directly in your browser. An API interface is also provided for easy integration into developers' own products. Commercial users can enjoy 24/7 technical support.

DupDub is an all-in-one content creation platform that helps you easily create content and optimize your workflow. Through AI voice synthesis, your content comes to life, saving you time and budget on recording studios or voice artists. Leveraging AI video editing capabilities, transform images into videos for more engaging content creation. DupDub also offers professional editing features like AI subtitles and video localization, empowering you to effortlessly create high-quality content. With flexible pricing, it caters to various industries and use cases.

Magic Voice Studio is a powerful online intelligent voiceover tool that can quickly and efficiently convert text to speech. It boasts advanced voice synthesis technology, providing voiceover effects of real person recording quality. By inputting text, users can generate lifelike voice audio. Magic Voice Studio supports voiceovers in multiple languages including Chinese and English, and offers a variety of gender and accent voice options. Users can meticulously adjust parameters such as speaking speed and tone for each sentence, resulting in fluid and natural voiceover productions. This product is suitable for video creators, hosts, sound engineers, and other creators, significantly improving their content output efficiency.

The MiniMax Open Platform is an open platform with text model capabilities. It provides precise information extraction capabilities, suitable for meeting minutes, abstract extraction, and other summarization scenarios. The platform offers high-quality text understanding and voice synthesis capabilities, providing users with an objective and comprehensive content summary.

Respeecher is an AI-based voice transformation tool capable of converting between different people's voices. Utilizing deep neural network technology, it can train a clone of the target voice by providing only a small amount of sample audio. Respeecher's voice transformation is extremely realistic and can be used in various creative fields such as game and film voice acting. It offers a free trial and supports the upload of self-recorded audio for voice transformation. Main functions include voice transformation, voice shaping, and voiceover.

Voxify is an ultra-realistic AI voice generation tool that utilizes advanced artificial intelligence technology to create realistic and natural voice synthesis in minutes. It supports over 140 languages and accents and can also add emotional effects. We offer high-quality, multilingual support, fast delivery, and customizable voice synthesis services at a reasonable price, making it the most affordable AI voice generation tool available.

MetaVoice is a website for AI voice synthesis and real-time voice conversion. It provides high-quality AI voice synthesis and real-time voice conversion services, helping users customize their online identities. Powered by advanced AI technology, MetaVoice can maintain the emotional tone and natural feel of the voice. It also supports one-click identity switching across over 800 platforms. Users can try it for free on the website.

SpeechLab is a desktop client offering voice translation and voice synthesis capabilities. It empowers users to translate speech into different languages and synthesize natural-sounding voices from text. SpeechLab excels in its high-quality voice synthesis technology, producing synthetic voices that closely resemble human speech. SpeechLab offers a free trial and paid subscription pricing model; specific pricing details can be found on the official website. SpeechLab aims to break down language barriers, making content more accessible globally.

WellSaid Labs is a premium enterprise-grade AI voice platform that empowers businesses and top creators to instantly transform text into natural-sounding speech. Thousands of companies use it to create compelling content and experiences, saving time and money without compromising quality. The platform offers a diverse selection of voices, supports team collaboration and project sharing, and meets enterprise security and compliance requirements.