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ease
features
design
support

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Description

Sonic 3.5 represents Cartesia's most advanced and fluid text-to-speech model, engineered for dynamic voice synthesis with an impressive latency of under 90 milliseconds and proficient in 42 languages. This model is adept at accurately adhering to transcripts, vocalizing confirmation codes, and interpreting heteronyms seamlessly without the need for any preprocessing, while also maintaining the expressiveness required for genuine conversations. It aims to provide speech of native quality across diverse languages, ensuring that audio clarity is prioritized in every voice output, thus eliminating the need for post-production corrections. Sonic 3.5 excels in delivering high-fidelity audio, making it an ideal choice for production environments where quality, speed, and reliability are essential. The model's engaging conversational style features effective pacing and a genuine emotional range, specifically calibrated for diverse support and agent transcripts. Moreover, it naturally articulates alphanumeric sequences—such as order numbers, phone numbers, IDs, and email addresses—in all supported languages, and its context-sensitive English pronunciation ensures that words like "read," "bass," and "bow" are pronounced correctly based on their textual context. This level of sophistication in voice generation not only enhances user experience but also establishes Sonic 3.5 as a leader in the field of text-to-speech technology.

Description

Language Confidence is an innovative AI-based platform that streamlines the evaluation and testing of spoken English, delivering precise, instantaneous feedback along with comprehensive scoring across various dimensions such as pronunciation, fluency, grammar, vocabulary, and relevance, all supported by unique AI models tailored for learners of diverse linguistic backgrounds. Central to its offerings is a collection of scalable, RESTful APIs that can be directly embedded into educational platforms, applications, or systems, facilitating the assessment of spoken English and providing intricate metrics that analyze pronunciation quality down to individual phonemes, fluency and speech patterns, grammar intricacies and mistakes, as well as vocabulary application, all benchmarked against established standards like CEFR and IELTS. Additionally, Language Confidence features SnapShot AI, a cutting-edge English placement test that instantly delivers CEFR results, making it an ideal tool for screening students or applicants and designed for smooth incorporation into various workflows. The suite of APIs also encompasses various assessment modes, including options for pronunciation alone, scripted reading, and more, ensuring flexibility and comprehensive evaluation tailored to individual needs. Overall, Language Confidence represents a significant advancement in language assessment technology, aiming to enhance the learning experience for users worldwide.

API Access

Has API

API Access

Has API

Screenshots View All

Screenshots View All

Integrations

Auth0
Slack
WeChat
WhatsApp
Zalo

Integrations

Auth0
Slack
WeChat
WhatsApp
Zalo

Pricing Details

No price information available.
Free Trial
Free Version

Pricing Details

$10 for one test
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

Cartesia

Founded

2023

Country

United States

Website

docs.cartesia.ai/build-with-cartesia/tts-models/latest

Vendor Details

Company Name

Language Confidence

Founded

2016

Country

Australia

Website

languageconfidence.ai/

Product Features

Language Learning

Augmented Reality
Customization
Dashboard / Reporting
For Businesses
For Individuals
For Learning English Only
For Schools
Gamification
Immediate Grading
Offline Access
Personalized Learning
Progress Tracking
Speech Recognition
Tests / Quizzes
Virtual Reality

Alternatives