New TTS model increases sales by 15% for brands.

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Voice AI Revolution: How a Cutting-Edge TTS Model is Boosting Sales by 15% for Top Brands


Generating humanlike, nuanced, and diverse voices remains a challenge in the realm of conversational AI. At the heart of effective branding and communication is the desire for voices that resonate—voices that sound natural, relatable, and engaging, rather than resembling the stale tones of traditional broadcasting.

The Challenge of Authenticity in Voice AI

People crave authenticity. A robotic tone simply won’t suffice in an era where consumers seek connection. Rime, a forward-thinking startup, is taking a bold step into the future with its innovative Arcana text-to-speech (TTS) model. This brainchild of Rime has the power to generate infinite voices—covering different genders, ages, and languages—merely from a simple text description of desired characteristics.

Significant Sales Boost for Major Brands

The impact of Rime’s TTS model is tangible. Major brands like Domino’s and Wingstop have reported an impressive 15% increase in customer sales thanks to this groundbreaking technology. According to Lily Clifford, Rime’s CEO and co-founder, “It’s one thing to create a high-quality, lifelike voice; it’s another to achieve infinite variability that fits diverse demographic needs.”


A Voice Model that ‘Acts Human’

Innovative Multi-Dimensional Design

Rime’s unique TTS model is not just another algorithm; it’s a comprehensive system trained on real conversations with real people—steering away from voice actors and scripted dialogue. With this model, users can simply input a description, such as “a 30-year-old female from California interested in software” or “an Australian man’s voice,” and receive an instant, customized audio output.

“Every time you do that, you’re going to get a different voice,” explains Clifford, underscoring the model’s adaptability.

High-Volume, Business-Critical Applications

Rime’s Mist v2 TTS model caters to business-critical applications, enabling enterprises to design unique voices that foster natural conversations without needing human agents. For those seeking premade options, Rime offers a diverse lineup of flagship speakers:

  • Luna: Chill yet excitable Gen-Z optimist
  • Orion: Happy, older African-American male
  • Estelle: Sweet, middle-aged African-American female

These characters are more than just options; they embody the voice of today’s consumer, pushing brands to engage authentically.


Capturing the Essence of Natural Conversations

Advanced Audio Token Technology

Rime employs a codec-based approach to generate audio tokens that swiftly convert into speech, achieving a launch time of just 250 milliseconds. Their model underwent a rigorous training process that involved:

  1. Pre-training with open-source large language models (LLMs) to learn acoustic patterns.
  2. Supervised fine-tuning, utilizing a proprietary dataset.
  3. Speaker-specific fine-tuning, focusing on exemplary voices.

This meticulous process allows Rime to achieve an accuracy rate of 98-100%, capturing not only speech but also the subtle nuances of communication.


A Personalization Harness for Tailored Voices

Empowering Users with Analytics

Rime’s vision extends beyond standard voice synthesis. They have developed a personalization harness, a tool that allows customers to conduct A/B tests with various voices. After user interactions, feedback is analyzed, providing crucial insights on voice performance.

“How do we create an application that makes it easy for our customers to run those experiments themselves?” asks Clifford, emphasizing the need for intuitive design in voice technology.

This approach has resulted in callers being 4X more likely to engage with AI—an unprecedented shift in customer interactions.


Making Waves in the Industry

Powering Millions of Conversations

Brands like Converse Now and Ylopo have recognized Rime’s capabilities, incorporating their TTS technologies into large contact centers and IVR systems. Akshay Kayastha from ConverseNow reported, “When we switched to Rime, we saw an immediate double-digit improvement in call success.”

Rime’s technology powers around 100 million calls monthly, providing consumers with relatable voices that enhance trust and engagement.

Future Innovations and Next Steps

Looking ahead, Rime aims to transition to on-premises solutions, targeting low latency to optimize user experience. By the end of 2025, they expect 90% of their offerings to operate on-premises, addressing the need for speed and personalization.

In summary, the Arcana TTS model by Rime is reshaping voice AI, blending authenticity with technology to elevate customer interactions. As customer demands evolve, brands that prioritize meeting these needs with innovative solutions will set new standards in engagement and sales success.


For those interested in the future of business technology, VB Transform focuses on AI strategies that are revolutionizing industries. Learn more.

Conclusion: The Future of Conversational AI

Rime’s innovative approach is not just about creating voices; it’s about transforming how brands communicate with their customers. As they refine their models and expand their capabilities, the line between human and machine continues to blur, paving the way for a more interactive and engaging future.

For further insights on the latest in AI developments, subscribe to VB Daily for comprehensive coverage on cutting-edge applications and emerging trends.

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