TTS Synthetic Voices
Text-to-Speech converts any written words into a humanoid voice, using a database or memory composed of many audio narrations recorded by real voice talents.
TTS is a low-cost and fast delivery option now offered by Prime Group in a growing number of languages.
TTS is an audio technology in constant development that can offer a straightforward and inexpensive solution for short vocal messages
It is best suited for short audio/animated videos with no on-screen actors.
Prime Group has selected high standard algorithms to provide
convincing high-quality audio.
We are also able to work with SSML tags to enhance final product.
PROS
- Affordable and highly cost-effective
- Scalable - sourcing from a machine
- Fast - thanks to our efficient pipelines and workflow
CONS
- Audio glitches (need post-prod to fix it)
- Intonation patterns sometimes not natural
- Unable to read foreign names, places or brands (need post-prod intervention)
Languages Available in TTS
Frequently asked questions
TTS stands for Text-to-Speech, a technology that converts written text into spoken words using pre-recorded or artificially generated human-like voices. It has practical applications in speech accessibility, audio versions of written content, and voice assistants. TTS is constantly evolving with advancements in AI and machine learning. Prime Group offers various TTS voices in different languages.
While Text-to-Speech (TTS) technology has made significant progress in recent years, there are still some limitations to the quality and effectiveness of TTS systems. Some of the main limitations of TTS include the following:
Lack of Naturalness: Synthesized speech still needs human speech’s naturalness, prosody, and variability. Sometimes, the synthesized speech can sound robotic, stilted, or monotonous, negatively impacting the user experience.
Limited Emotion and Expressiveness: TTS systems cannot yet replicate human speech’s full range of emotional and expressive qualities. While some systems can simulate emotions like anger, happiness, and sadness, they often lack the subtle nuances of human speech that convey more complex emotions. Since computers are not sensitive enough to context, they ignore emotions and feelings, so TTS has become a tool for announcements involving rules and regulations (court, police, customs, etc.).
Difficulty with Accented or Non-Native Languages: TTS systems need help pronouncing words in non-standard (like brand names) or non-native accents, which can lead to inaccurate or misinterpreted speech.
Complex or Technical Vocabulary: TTS systems need help pronouncing complex or technical vocabulary (medical jargon for example), which can lead to misinterpretation or confusion for the listener.
Limited Contextual Understanding: TTS systems rely on complex algorithms and language models to convert text to speech, but they still need to understand the context or intent of the text entirely. This can lead to misinterpretation or mispronunciation of words or phrases.
TTS still has limitations to its accuracy and naturalness. TTS is best used for straightforward content where naturalness and emotional expressiveness are less critical. Human voice actors or natural language processing technology may be more appropriate for more complex or nuanced content.
Text-to-speech (TTS) technology has several advantages, including:
Accessibility: TTS technology allows people with visual impairments, learning difficulties, or reading disabilities to access written content in a spoken format. It also enables busy or multitasking people to consume content without reading it.
Multilingual support: TTS technology can generate speech in multiple languages and accents, making it easier for people who are learning a new language or need to communicate with people who speak different languages.
Consistency: TTS technology can ensure consistency in the pronunciation and intonation of words, particularly useful for language instruction and communication in technical fields.
Speed and efficiency: TTS technology can generate speech faster than a human can read, making it useful for applications where time is of the essence, such as navigation or weather alerts.
Cost-effectiveness: TTS technology can automate repetitive and labor-intensive tasks, such as generating voice prompts for customer service or creating audiobooks. This can save time and money compared to using human voice actors.
Text-to-speech (TTS) has some potential disadvantages, including:
Quality: Synthesized speech can vary depending on the language, the specific voice used, and the text being read. TTS systems may also need help pronouncing uncommon or technical words, resulting in incorrect or confusing speech.
Emotion and nuance: TTS systems may struggle to convey emotional nuance in speech, such as sarcasm or irony, which can affect the perception and understanding of the message.
Monotony: Listening to synthesized speech for long periods of time can become monotonous, leading to reduced attention and engagement. This can be particularly challenging for applications such as audiobooks or e-learning.
Limited customization: While some TTS systems allow for voice or speech parameters, the level of customization may be limited compared to using a human voice actor. This can make achieving a specific tone or style of speech challenging.
Ethical concerns: As TTS technology improves, there may be ethical concerns around using synthetic speech for impersonation or deception, such as in deep fake videos or phone scams.
The suitability of text-to-speech (TTS) audio for a voice-over depends on the context and purpose of the voice-over. In general, some synthesized voices sound natural and expressive. However, there are still limitations to TTS audio’s quality and emotional nuance.
Suppose the voice-over is for a casual or non-critical context, such as a video game or an internal training video. In that case, TTS audio may be a suitable and cost-effective option. Similarly, if the voice-over needs to be produced quickly and with a tight budget, TTS audio may be a viable alternative to using a human voice actor.
However, using a human voice actor may be more appropriate for formal or essential contexts, such as a corporate video or a product advertisement. A professional voice actor can provide a more natural and expressive voice, convey emotional nuance, and customize the voice to suit the specific context and audience. Additionally, a human voice actor can collaborate with the producer to ensure effective and impactful voice-over.
Using computer algorithms, text-to-speech (TTS) technology converts written text into spoken words. The process of producing TTS typically involves several steps:
Text analysis: The first step is to analyze the written text and identify the individual words, punctuation, and formatting. This can involve parts-of-speech tagging, syntax parsing, and named entity recognition.
Linguistic processing: Once the text has been analyzed, the TTS system applies linguistic rules to determine the pronunciation, stress, and intonation of each word. This involves converting the written text into a phonetic representation that the system can use to generate speech.
Acoustic modeling: The TTS system uses acoustic models to generate speech after the text has been processed linguistically. This involves synthesizing speech sounds by manipulating and combining pre-recorded speech samples or generating them on the fly using statistical models.
Synthesis: The final step is to combine the speech sounds into coherent and natural-sounding speech. This involves adjusting each sound’s timing, pitch, and volume to create a seamless and expressive voice.
The steps above can vary depending on the specific TTS system and the complexity of the synthesized language. Some TTS systems also use machine learning techniques to improve the quality and naturalness of the synthesized speech over time.
Text-to-speech (TTS) technology will likely partially replace the human voice in some audio productions. However, there are still limitations to the quality and expressiveness of TTS audio, particularly when conveying emotional nuance and naturalness.
Human voice actors can bring authenticity and personalization to audio production that may be difficult to achieve with TTS. A human voice actor can interpret the script, and convey the intended emotional tone and prosody while adjusting their delivery based on audience feedback. In contrast, TTS audio is typically generated automatically and may not be able to capture the subtleties and nuances of human speech.
However, TTS technology can be a helpful tool in audio production for specific applications. For example, TTS audio can automate repetitive or time-consuming tasks, such as generating voice prompts for phone systems or audiobooks. TTS can also be a viable alternative for audio production when a human voice actor is unavailable, or the production budget is limited.
While TTS technology can be a valuable tool in audio production, it will likely partially replace the human voice. Instead, TTS can be used in conjunction with human voice actors to enhance the efficiency and effectiveness of audio production.
TTS (Text-to-Speech) audio can be helpful in various situations, depending on the user’s context and needs. Here are some examples:
Accessibility: TTS can make content accessible to individuals with visual impairments or reading difficulties. By providing an audio version of the text, people with difficulty at reading can still access the content.
Language learning: TTS can help people learn a new language by providing a way to hear and practice pronunciation.
Automated voice prompts: TTS can be used in automated voice systems to provide voice prompts for phone systems, virtual assistants, and other applications where an automated voice is needed.
Audiobooks and podcasts: TTS can be used to create audiobooks and podcasts, making it possible to convert text-based content into an audio format.
Personalized messages: TTS can create personalized messages, such as for a birthday or holiday greetings, where a computer-generated voice can speak the message with the desired intonation and pace.
Gaming and virtual environments: TTS can be used in gaming and virtual environments to provide voice feedback and instructions to players.
In sum, TTS can be helpful whenever there is a need to convert text into speech, particularly when the text needs to be delivered audibly.
Determine your target audience: Before implementing TTS and localization, it’s essential to identify your target audience and the languages they speak. This will help you prioritize which languages and dialects to support and focus on first.
Choose a TTS solution: There are various TTS solutions available, including cloud-based services, software development kits (SDKs), and self-hosted software. Choose a solution that fits your needs, budget, and technical capabilities.
Generate and customize the speech output: TTS systems can generate speech from text, but the quality and style of the speech output may not be appropriate for your specific application. Consider customizing the TTS output to improve the clarity and naturalness of the speech, including intonation, pacing, and accents.
Localize your content: Once you have identified your target languages, it’s important to localize your content to ensure it is culturally appropriate and linguistically accurate. This includes translating text and adapting graphics, user interfaces, and audio to fit the target culture.
Test and evaluate the TTS and localization: Testing is vital to ensure the TTS and localization work correctly and meet your expectations. Evaluate the user experience, including the quality and naturalness of the speech output, and any cultural or linguistic issues that may arise.
Consider ongoing maintenance and support: TTS and localization are ongoing processes that require maintenance and support. Plan to regularly update your TTS system and localized content, and be prepared to provide customer support in the languages you support.
In summary, using TTS and localization can improve the accessibility and reach of your business products or services. It’s important to identify your target audience, choose a TTS solution, customize the speech output, localize your content, test and evaluate the TTS and localization, and consider ongoing maintenance and support.
For either TTS audio or its best alternative, the human voice, you can rely on Prime Group.
Text-to-Speech (TTS) technology has many useful applications, but it also raises several ethical concerns that must be considered. Here are some of the ethical implications of TTS technology:
Voice cloning: TTS technology can create synthetic voices that sound like real people. While this can be useful for people with speech impairments, it can also be used for malicious purposes, such as creating deep fake videos or impersonating individuals for fraud or other illicit purposes.
Misinformation: TTS technology can be used to create realistic-sounding news or other media content that is entirely fabricated. This raises concerns about spreading misinformation and fake news, and the potential for TTS to spread propaganda or influence public opinion.
Privacy: TTS technology requires access to large amounts of data, such as recorded speech samples, which can raise concerns about privacy and data protection. There is also the potential for TTS to be used to create realistic-sounding voice prints that could be used for voice recognition or other biometric authentication methods.
Bias: TTS systems are trained on large datasets, which can contain biases based on gender, race, and accent. This can result in TTS systems perpetuating these biases, leading to unfair treatment or discrimination based on speech characteristics.
Emotional manipulation: TTS technology can generate speech that conveys a particular emotion, such as sadness or anger. This raises concerns about the potential for emotional manipulation or exploitation, particularly in the context of advertising or political messaging.
Overall, the ethical implications of TTS technology are complex and multifaceted. Developers and users of TTS technology need to consider these implications and take steps to mitigate any potential negative consequences, such as by incorporating ethical considerations into the development process and implementing safeguards to prevent abuse or misuse of the technology.
The licensing requirements for using Text-to-Speech (TTS) audio will depend on the specific TTS software or service you are using and the intended use of the audio. Some TTS software or services require a license or payment for commercial use, while others may be free for personal or non-commercial use.
Suppose you plan to use TTS audio for commercial purposes, such as in an advertisement, e-learning course, or other commercial application. In that case, it is important to carefully review the licensing terms and requirements of the TTS software or service you are using. In some cases, a commercial license or usage rights may be required, and failure to obtain the necessary license or rights could result in legal action.
On the other hand, if you use TTS audio for personal or non-commercial purposes, such as creating an audiobook for personal use or using TTS to read articles or books aloud, there may be no licensing requirements or fees associated with the use of the TTS software or service.
In summary, it is important to carefully review the licensing requirements and terms of service for any TTS software or service you plan to use, particularly if you intend to use TTS audio for commercial purposes. Failure to obtain the necessary licensing or usage rights could result in legal action or other consequences.
At Prime Group, we ensure the royalties are included if you rely on us to produce and use TTS for your audio presentations.
You may have to pay a royalty or buyout rights license to use Text-to-Speech (TTS) audio when the TTS software or service you are using is not free, or when you plan to use the TTS audio for commercial purposes.
TTS software or services may require payment in the form of a licensing fee, a subscription fee, or a per-use fee for commercial use, such as in advertisements, e-learning courses, audiobooks, or other commercial applications. Some TTS software or services may also require payment for non-commercial use beyond a certain number of uses or length of time.
In addition, some TTS software or services may offer buyout rights for commercial use. You can pay a one-time fee for unlimited use of the TTS audio in your project without paying ongoing royalties. This can be a more cost-effective option for projects that require a large amount of TTS audio.
It is essential to carefully review the licensing terms and conditions of any TTS software or service you plan to use, mainly if you use TTS audio for commercial purposes. Failure to obtain the necessary licenses or usage rights could result in legal action or other consequences.
At Prime Group, we ensure the commercial license is covered if you outsource to us to produce and use TTS for your audio presentations.
Text-to-Speech (TTS) technology may be considered royalty-free when it is free to use for any purpose, without needing a fee or royalty for each use. However, whether or not a specific TTS software or service is royalty-free will depend on its licensing terms and conditions.
Some TTS software or services offer free, royalty-free usage, particularly for personal or non-commercial use. However, it is essential to carefully review the terms and conditions of any free TTS software or service, as there may be limitations on the number of uses or the scope of use, or other requirements that must be met to qualify for free or royalty-free usage.
Sometimes, TTS technology may be considered royalty-free if licensed under an open-source license, such as the GNU General Public License (GPL) or the Apache License. These licenses allow for free and open use, modification, and distribution of the TTS software or service, often with few restrictions.
In summary, TTS technology may be considered royalty-free in certain circumstances, such as when offered for free or under an open-source license. However, it is important to carefully review the licensing terms and conditions of any TTS software or service to determine whether a fee or royalty is required.
At Prime Group, we ensure TTS is ready to be used abiding by the copyright laws.
Text-to-speech (TTS) technology can make content accessible to people who speak different languages or have different literacy levels. TTS technology can enable access and understanding of information by converting written content into spoken words in multiple languages. This can be particularly important for businesses and organizations with a global reach or serving diverse populations.
To make content more accessible using TTS technology, it is vital to choose a TTS software or service that supports the languages and voices that are relevant to your audience. Some TTS software or services offer multilingual support, while others may be designed for specific languages or regions. It is also important to consider the quality and clarity of the TTS voice and the accuracy of the speech recognition technology used to convert text into speech. At Prime Group, we offer TTS solutions in the world’s most influential languages.
The number of languages available in Text-to-Speech (TTS) audio can vary depending on the TTS software or service that you are using. Some TTS solutions may support only a few languages, while others may support dozens.
Most commercial TTS software or services typically support major world languages such as English, Spanish, French, German, Italian, Chinese, Japanese, and Korean. In addition, some TTS software or services may offer support for less widely spoken languages, such as regional dialects or minority languages.
Some TTS solutions also offer the ability to customize the voice or accent of the TTS audio to better suit the needs of the target audience or region. This can be particularly useful for businesses or organizations that operate in multilingual or multicultural environments and need to provide content in various languages or accents.
Researching and choosing a TTS solution that supports the languages and accents relevant to your audience and your use case is essential. This can help ensure that your TTS audio is accurate, natural-sounding, and effectively conveys your message to your audience.
At Prime Group, we have TTS in 43 languages ready to read your messages.
The cost of Text-to-Speech (TTS) technology varies depending on several factors, such as the quality of the TTS system, the language and voice options available, and the licensing model used. Some TTS systems, such as open-source TTS frameworks, are free but limited in the number of words and with poor quality. At Prime Group, we charge a small fee per word based on factors such as the number of characters or words processed, the number of requests per month, or the number of concurrent users.
Commercial TTS systems that offer high-quality, natural-sounding voices and extensive language support can be more expensive. Prices can range from a few dollars monthly for small-scale usage to thousands per month for enterprise-level use with large volumes of text-to-speech conversions.
It’s worth noting that some TTS providers also offer custom voice creation services, which can be significantly more expensive than pre-existing voices. The cost of creating a custom voice can vary widely depending on factors such as the level of customization required, the amount of speech data available, and the complexity of the voice.
The cost of TTS can vary widely depending on the user’s or organization’s specific needs and requirements, so it’s essential to carefully evaluate different options and pricing models before deciding.