
Speechly - Detailed Review
Audio Tools

Speechly - Product Overview
Introduction to Speechly
Speechly is a Finnish startup specializing in AI-driven audio tools, particularly in the areas of speech recognition and natural language understanding. Here’s a brief overview of its primary function, target audience, and key features:
Primary Function
Speechly’s main function is to provide real-time automatic speech recognition and voice moderation solutions. This technology is designed to help developers and platforms moderate spoken language in real-time, reducing toxic behavior in online communities and ensuring a safe and civil environment.
Target Audience
Speechly’s tools are targeted at a wide range of users, including developers, e-commerce businesses, logistics companies, and any entity looking to integrate voice technology into their applications. Specifically, it is useful for web and mobile app developers, e-commerce platforms, and companies needing efficient voice moderation in their online interactions.
Key Features
- Real-Time Speech Recognition: Speechly offers real-time automatic speech recognition with low latency, allowing for immediate feedback and reactions to voice interactions.
- Voice Moderation: The platform provides tools for moderating spoken language in real-time, helping to reduce toxic behavior and maintain a safe online environment.
- Customization and Accuracy: Speechly allows for full customization and achieves high accuracy, with a reported 95% understanding accuracy. It can be trained to understand specific vocabulary from any domain.
- Flexible Deployment: The technology can be deployed in various ways, including cloud, on-premise, and on-device, which enhances privacy and reduces cloud costs.
- Scalability: Speechly is capable of handling hundreds of thousands of hours of audio data, making it scalable for large platforms like Roblox.
Additional Benefits
- Cost Efficiency: By running on-device, Speechly can monitor video and audio content cost-efficiently, reducing the need for cloud resources.
- Brand Suitability: It can ensure that video ads are placed in suitable contexts by understanding specific vocabulary and topics discussed in the content.
Overall, Speechly is a versatile tool that enhances voice interactions and ensures safety and civility in online communities through its advanced AI-driven speech recognition and moderation capabilities.

Speechly - User Interface and Experience
User Interface of Speechly
The user interface of Speechly, particularly in its audio tools and AI-driven products, is characterized by several key features that enhance ease of use and overall user experience.
Real-Time Visual Feedback
Speechly’s interface provides real-time visual feedback, allowing users to see the results of their voice commands as they speak. This approach differs from traditional turn-based queries, enabling users to speak naturally and correct themselves if needed. This real-time feedback encourages users to continue with the voice experience, making it more intuitive and efficient.
Seamless Audio Recording and Transcription
In products like the AI Note Taker, Speechly offers seamless audio recording capabilities that capture conversations effortlessly in the background. This ensures uninterrupted focus during meetings, lectures, or brainstorming sessions. The AI transcription feature converts these conversations into clean, readable text, making it easy to create meeting notes, lecture takeaways, or draft articles.
User-Friendly Features
The interface is equipped with features such as accurate AI transcription, concise intelligent summaries, and unlimited recording time. These features help users document meetings, transcribe lectures, and prepare for exams without the hassle of manual note-taking. The app also includes powerful search functionality, allowing users to find specific details quickly by searching keywords in their transcriptions.
Multi-Modal Interaction
Speechly’s voice user interface (UI) is designed to blend with existing modalities like typing, tapping, and swiping. This allows users to control the app using both voice commands and the graphical user interface (GUI), giving them the flexibility to choose the best input method for the occasion.
Privacy and Data Control
The interface prioritizes user privacy, providing secure recordings that users can delete, export, or share confidently in various formats like PDF, text, or URL. This ensures users have full control over their data.
Enhanced Productivity
By handling note-taking and transcription tasks, Speechly enables users to focus on the conversation rather than the details. The organized and searchable transcriptions help users work smarter and faster, enhancing their overall productivity.
Conclusion
In summary, Speechly’s user interface is designed for ease of use, providing real-time feedback, seamless recording and transcription, and a range of user-friendly features that make it an efficient and intuitive tool for various tasks.

Speechly - Key Features and Functionality
Introduction
Speechly, a leader in speech recognition and natural language understanding, offers a range of features that make it a versatile and powerful tool for integrating voice interactions into various applications. Here are the main features and how they work:
Speech Recognition Models
Speechly utilizes advanced speech recognition models, including Conformer RNN-T models and Whisper models. These models enable accurate and real-time transcription of audio, whether it is pre-recorded or live streaming. The Conformer RNN-T models are particularly notable for their high accuracy and support for features like word-level timestamps and silence segmentation.
Transcription
Speechly provides transcription services for both pre-recorded and live streaming audio. This feature allows users to convert spoken words into readable text, which is useful for applications such as note-taking, meeting minutes, and lecture transcriptions.
Language Support and Detection
Speechly supports 99 languages and includes language detection capabilities. This ensures that the system can automatically identify the language being spoken and adjust its transcription and analysis accordingly.
Model Adaptation and Training
For RNN-T models, Speechly offers model adaptation and training features. This allows developers to fine-tune the models to better suit their specific use cases, improving the accuracy and relevance of the speech recognition.
Intent and Entity Detection
Speechly includes intent detection and entity detection features, which are part of its natural language understanding (NLU) capabilities. These features help in identifying the user’s intent and extracting specific entities from the speech, making it easier to respond appropriately.
Voice Activity Detection and Silence Segmentation
The system includes voice activity detection, which identifies when a user is speaking, and silence segmentation, which separates speech segments from silent periods. This enhances the accuracy and usability of the transcriptions.
Interim Results and Low Latency
Speechly’s API provides interim results, allowing the system to start processing and responding to voice commands before the user finishes speaking. This low-latency feature makes the interaction more real-time and responsive.
Audio Analysis and Moderation
Speechly’s technology is also used for real-time audio analysis and moderation, particularly in online communities and games. It can detect and alert moderators about harmful behavior or violations of community rules almost instantly.
Deployment and Integration Options
Speechly offers various deployment options, including on-device, on-premise, and cloud deployments. It also provides integration through multiple client libraries (browser, React, Android, iOS, Unity) and APIs (gRPC, REST), making it easy to incorporate into different applications.
Developer Tools
Speechly provides a range of developer tools, including a dashboard, CLI, and client libraries. These tools simplify the process of setting up and managing voice interfaces, allowing developers to focus on their core application development.
Additional Features
Other notable features include:
- Text Labeling and Summarization: Speechly can label text and summarize lengthy discussions into actionable highlights, which is particularly useful for applications like note-taking and meeting summaries.
- Number and Date Formatting: The system can format numbers and dates correctly within the transcriptions.
- Punctuation: Speechly can add punctuation to the transcribed text, making it more readable.
- Supported Audio Formats: It supports various audio formats such as WAV, FLAC, and OGG, though support for MP3 and AAC is under consideration.
Conclusion
Overall, Speechly’s AI-driven features make it a powerful tool for any application requiring accurate, real-time speech recognition and natural language understanding.

Speechly - Performance and Accuracy
Performance Evaluation of Speechly in Audio Tools
Accuracy
Speechly is known for its high accuracy, particularly in specific domains such as technical terms and commands. It achieves this through domain-specific model training, which can significantly improve transcription accuracy.Real-Time Transcription
Speechly offers real-time transcription with low latency, making it suitable for applications that require immediate feedback, such as voice chat moderation and live streaming audio.Environment and Conditions
While Speechly performs well in various conditions, its accuracy can be influenced by factors like background noise and microphone quality. However, its ability to operate on-device, on-premise, or in the cloud provides flexibility in managing these variables.Comparison with Other Solutions
In comparison to other speech recognition APIs, such as Google Web Speech API, Speechly excels in domain-specific accuracy. Google Web Speech API generally provides high accuracy across a wide range of general vocabulary and supports various accents and languages, but its performance may vary more based on environmental conditions.Features and Capabilities
Speechly includes a range of features that enhance its accuracy and usability, such as automatic language detection, punctuation, number formatting, text labeling, entity detection, and audio event labeling. These features make it a comprehensive tool for transcription and voice analysis.Limitations and Areas for Improvement
One of the limitations of Speechly is that it requires training for specific contexts to achieve the highest accuracy. This means that users need to invest time in preparing and fine-tuning their models for their particular use cases. Additionally, while Speechly supports multiple formats and has high throughput for pre-recorded audio, there may be limitations in handling very long audio files (e.g., files longer than 30 seconds may be clipped in some testing scenarios).User Feedback and Integration
Users have praised Speechly for its ease of integration, low latency, and high accuracy. It is trusted by leading companies and has been successfully integrated into various platforms, including web browsers, Unreal Engine, and Unity. This indicates a strong performance in real-world applications.Conclusion
In summary, Speechly stands out for its domain-specific accuracy, real-time transcription capabilities, and flexible deployment options. However, it does require specific training and may have some limitations in handling certain types of audio files.
Speechly - Pricing and Plans
Pricing Plans
Speechly offers several plans, each with distinct features and pricing.Free Plan
- API Usage Included: 50 hours of usage per month.
- Real-time Automatic Speech Recognition (ASR): Transcribes speech in real-time.
- Real-time Spoken Language Understanding (SLU): Includes intent detection, entity detection, and multi-intents.
- Self-service SLU customization: Available through the web interface.
Developer Plan
- Cost: $195 per month.
- API Usage Included: 200 hours of usage per month.
- Features of the Free plan: Includes all features from the free plan.
- Additional Features:
- Support for multi-user projects.
- Command Line Interface for automated deploying and testing.
- Version control.
- Database import support for Speechly Annotation Language.
- Email support.
Professional Plan
- Cost: $895 per month.
- API Usage Included: 1200 hours of usage per month.
- Features of the Developer plan: Includes all features from the Developer plan.
- Additional Features:
- Configuration support.
- End user utterance data and analytics.
- Data annotation tools.
Other Notes
- Speechly does not offer a free trial, but it does have a free forever plan with limited hours and features.
- The pricing model includes freemium, subscription, and quotation-based options.

Speechly - Integration and Compatibility
Integration with Roblox
Speechly’s primary integration is with the Roblox platform, where its AI-driven voice moderation tools will be utilized to moderate spoken language in real-time. This integration is crucial for Roblox as it expands its voice chat capabilities, aiming to ensure safety and civility among its 65.5 million daily active users. Speechly’s technology transcribes conversations, detects harmful speech, and alerts moderators almost instantly, making it an essential component for maintaining a safe and respectful online environment.
Compatibility with Devices
Speechly’s technology is compatible with a range of devices, particularly those used in online gaming and social interactions. For instance, in the context of Roblox, Speechly’s voice API can be integrated into games and other experiences, enabling natural user interactions and real-time moderation. This compatibility extends to devices used by Roblox users, ensuring seamless voice chat experiences across different hardware configurations.
Specific Device Integration
In addition to its integration with Roblox, Speechly is also configured to work with specific devices such as Jabra headsets and speakerphones. This configuration allows for real-time translation in 26 languages, facilitating one-to-one conversations between individuals using these devices. The compatible Jabra devices include the Evolve 40, 65, 75, PRO930, and SPEAK 710, highlighting Speechly’s ability to integrate with various hardware solutions.
Data Processing and Security
Speechly’s technology is designed with user privacy in mind, processing speech on users’ devices or in private clouds to maintain stringent data security standards. The company has received SOC 2 Type II certification, which ensures client data is handled with security, integrity, and confidentiality, further enhancing its compatibility and trustworthiness across different platforms.
Conclusion
In summary, Speechly’s integration and compatibility are centered around its ability to enhance voice chat experiences within the Roblox platform and its compatibility with specific devices like Jabra headsets. Its focus on real-time moderation, user privacy, and security makes it a valuable addition to any platform requiring sophisticated voice interaction tools.

Speechly - Customer Support and Resources
Customer Support Options
Speechly, now a part of Roblox, offers several customer support options and additional resources to help users integrate and utilize their AI-driven audio tools effectively.Direct Support
Speechly emphasizes personal interaction, ensuring that customers can talk to real people rather than automated systems. This approach is highlighted by their commitment to “no sales pitches, no hidden costs, and no robots. Just really smart people who want to help you build better voice experiences.”Documentation and Guides
Speechly provides comprehensive documentation and guides on their website. The Speechly Docs section details various features, including transcription, language support, and model selection. This resource helps developers understand the capabilities and limitations of each feature, whether they are working with pre-recorded audio or live streaming audio.CLI and API Integration
For technical support, Speechly offers tools like the Speechly CLI, which allows users to transcribe audio files using simple commands. There are also detailed instructions for installing and using the CLI, as well as integration options through APIs, SDKs, and various client libraries (such as browser, React, Android, iOS, and Unity clients).Success Stories and Case Studies
Speechly shares success stories and case studies from their customers, which can serve as valuable resources for understanding how the technology can be applied in different scenarios. These stories highlight the benefits and specific use cases of Speechly’s tools, such as low latency, high accuracy, and ease of integration.Developer Tools
The platform includes a range of developer tools, such as a dashboard, CLI, and APIs, which facilitate the integration and management of Speechly’s features. These tools are designed to be user-friendly and support various development environments.Conclusion
By providing these resources, Speechly ensures that customers have the support and information they need to effectively use their audio tools and build better voice experiences.
Speechly - Pros and Cons
When considering the pros and cons of Speechly’s AI-driven audio tools, here are some key points to note:
Advantages
- Privacy: One of the significant advantages of Speechly is its ability to perform speech recognition on-device, which enhances privacy by ensuring that audio data is not sent over the internet to remote servers. This reduces the risk of sensitive information being leaked.
- Cost: On-device speech recognition with Speechly can be more cost-effective, especially when dealing with large volumes of audio. It avoids the infrastructure costs associated with cloud-based solutions.
- Offline Capability: Speechly’s on-device solution does not require an internet connection, making it suitable for environments where internet access is restricted, such as factory floors or hospitals.
- Real-Time Processing: Speechly’s technology can handle real-time speech recognition and transcription, which is crucial for applications like voice chat moderation in virtual reality environments. It can transcribe audio files quickly, even on relatively modest hardware like a Raspberry Pi 4.
- Accuracy: The accuracy of Speechly’s on-device speech recognition is comparable to cloud-based solutions, thanks to the capability of modern devices to run large speech recognition models. This accuracy is maintained across various use cases and vocabularies.
- Ease of Configuration: Speechly is known for being easy to configure, with great SDKs available for all major platforms, including browser, iOS, and Android. This makes integration into existing systems relatively straightforward.
- Real-Time Feedback: Speechly provides real-time feedback, enabling users to recover quickly from errors without interruptions, which enhances the overall user experience.
Disadvantages
- Resource Intensity: While modern devices can handle Speechly’s models, the processing still requires significant computational resources. This could be a limitation on older or less powerful devices, although even mid-tier devices from 2021 and devices like the Raspberry Pi 4 have been shown to be capable.
- Model Size and Adaptation: The effectiveness of Speechly’s models can depend on their size and how well they are adapted to specific use cases and vocabularies. This might require some initial setup and customization to achieve optimal performance.
Conclusion
Overall, Speechly offers a strong balance of privacy, cost efficiency, and accuracy, making it a viable option for various applications requiring speech recognition and real-time transcription.

Speechly - Comparison with Competitors
When Comparing Speechly to Competitors
When comparing Speechly to its competitors in the AI-driven audio tools category, several key features and differences stand out.
Speechly Key Features
- Transcription: Speechly supports both pre-recorded and live streaming audio transcription, with support for 99 languages and language detection capabilities.
- Model Selection: It offers Conformer RNN-T models and Whisper models, with the option for model adaptation and training, particularly for RNN-T models.
- Additional Capabilities: Features include word-level timestamps, punctuation, number and date formatting, silence segmentation, interim results, and voice activity detection. It also supports intent detection, entity detection, and lookups, but these are limited to RNN-T models.
- Deployment Options: Speechly can be deployed on-device (for enterprise plans), on-premise, or in the cloud. It also offers various client integrations including browser, React, Android, iOS, and Unity clients.
- User-Friendly App: The Speechly app provides seamless audio recording, accurate AI transcription, concise intelligent summaries, unlimited recording time, and powerful search functionality, making it suitable for meetings, lectures, and personal notes.
Competitors and Alternatives
Picovoice
- Focus: Picovoice specializes in voice AI technology, offering a platform for custom voice features such as speech-to-text transcription, noise suppression, speaker recognition, and voice activity detection. It is particularly useful for sectors requiring voice recognition and transcription capabilities.
- Unique Feature: Picovoice’s platform is geared more towards software development and tech industries, with a strong emphasis on custom voice features.
AssemblyAI
- Focus: AssemblyAI develops AI-powered models for transcribing and understanding speech. It converts audio, video, and live audio streams to text using a speech-to-text API, primarily serving the technology industry.
- Unique Feature: AssemblyAI’s API is versatile and can handle various types of audio and video content, making it a strong option for sectors needing comprehensive transcription services.
Deepgram
- Focus: Deepgram focuses on converting speech into text and summarizing audio or video content using AI language models. It is mainly used in contact centers and media transcription.
- Unique Feature: Deepgram’s services are tailored for sectors that require detailed transcription and summarization of audio content, making it a good choice for industries like customer service and media.
Sensory
- Focus: Sensory specializes in AI on the edge, providing embedded speech-to-text, wake word detection, sound identification, and other voice AI technologies. Its solutions are applicable across various industries including automotive, banking, and consumer electronics.
- Unique Feature: Sensory’s technology operates effectively without cloud connectivity, making it ideal for devices that need offline speech recognition capabilities.
Fluent.ai
- Focus: Fluent.ai focuses on speech recognition technology for consumer electronics, offering offline, noise-robust, and multilingual speech recognition software solutions. This technology facilitates voice user interfaces without the need for cloud connectivity.
- Unique Feature: Fluent.ai’s solutions are particularly beneficial for OEMs looking to integrate voice user interfaces into their devices without relying on cloud services.
Conclusion
Speechly stands out with its broad language support, comprehensive transcription features, and versatile deployment options. However, each competitor has unique strengths:
- Picovoice excels in custom voice features and software development.
- AssemblyAI offers a versatile API for various audio and video content.
- Deepgram is strong in detailed transcription and summarization.
- Sensory provides edge AI solutions suitable for offline operations.
- Fluent.ai specializes in offline, noise-robust speech recognition for consumer electronics.
Choosing the right tool depends on the specific needs of your project, such as the type of audio content, the need for custom voice features, or the requirement for offline operation.

Speechly - Frequently Asked Questions
Frequently Asked Questions about Speechly
What is Speechly and what does it specialize in?
Speechly is a company that specializes in tools for speech recognition and natural language understanding. It focuses on voice moderation technology, enabling fast, real-time, and cost-efficient voice moderation to help reduce toxic behavior in online communities.
When was Speechly founded and what was its mission?
Speechly was founded in 2016 with the mission of enabling better computer voice interactions and enhancing communication between people online. The founders believed that voice would be the future of online interaction.
What are the key features of Speechly’s technology?
Speechly’s technology includes real-time speech recognition, voice chat moderation, and real-time transcription. Its voice API allows companies to add AI voice technology and voice interfaces to their products and experiences. The technology is capable of handling hundreds of thousands of hours of audio data and provides low-latency speech recognition for immediate response and moderation.
How does Speechly’s technology help in moderating online communities?
Speechly’s voice moderation algorithms enable the monitoring of spoken conversations in real-time to identify and take action on any harmful behavior. This helps developers reduce toxic behavior in online communities by providing a real-time and cost-efficient voice moderation solution.
Who are the key investors in Speechly?
Speechly was backed by several investors, including Y Combinator, Seedcamp, SNÖ Ventures, TQ Ventures, Berlin’s Cherry Ventures, Quantum Angels, Joyance Partners, Social Starts, Tiny.vc, Juha Paananen, and Nicolas Dessaigne. The company raised around $7.53 million in outside capital, including a €2 million seed round in 2019.
What is the significance of Speechly’s acquisition by Roblox?
Roblox acquired Speechly to enhance its voice features, including voice chat, and to improve the moderation of spoken language in real-time. This acquisition aligns with Roblox’s commitment to providing a safe and civil environment for its 65.5 million daily active users. Speechly’s AI expertise will help evolve traditional moderation methods to meet the scale and dynamic needs of Roblox’s user-generated content platform.
How does Speechly’s technology integrate with Roblox?
Speechly’s technology will be integrated into Roblox to support new voice chat capabilities and to moderate spoken conversations across the platform. This integration aims to ensure safety and civility by identifying and addressing harmful behavior in real-time, enhancing the overall user experience.
What certifications has Speechly achieved?
Before its acquisition, Speechly received SOC 2 Type II certification, which ensures that client data is handled with security, integrity, and confidentiality while respecting customer privacy.
Where is Speechly based and what is its background?
Speechly is based in Helsinki, Finland. It was founded in 2016 and has since developed sophisticated voice moderation solutions that are more advanced than some of its competitors.
What are the deployment options for Speechly’s technology?
Speechly offers flexible deployment options, including cloud, on-premise, and on-device, along with custom models for any domain. This scalability allows for handling large volumes of audio data efficiently.
How does Speechly’s technology benefit developers on Roblox?
Speechly’s technology benefits developers on Roblox by providing them with real-time and cost-efficient voice moderation tools. This helps developers reduce toxic behavior in their online communities, ensuring a safer and more civil environment for users.

Speechly - Conclusion and Recommendation
Final Assessment of Speechly in the Audio Tools AI-Driven Product Category
Speechly, a Finnish voice AI startup, has made significant strides in the field of speech recognition and natural language understanding, particularly in the context of online communities and interactive platforms. Here’s a comprehensive assessment of Speechly and its benefits:Key Features and Capabilities
Speechly specializes in real-time speech recognition and voice moderation, which are crucial for maintaining a safe and civil environment in online communities. Its technology allows for fast, real-time, and cost-efficient voice moderation, helping developers reduce toxic behavior in these spaces.Integration with Roblox
The recent acquisition by Roblox highlights the potential of Speechly’s technology in enhancing user interactions within immersive 3D environments. Roblox, with its 65.5 million daily active users, aims to leverage Speechly’s AI expertise to moderate spoken conversations in real-time, ensuring a safe and engaging experience for its users.Benefits and Use Cases
- Real-Time Moderation: Speechly’s low-latency speech recognition enables real-time response services, allowing moderators to address issues almost instantly. This is particularly beneficial for platforms like Roblox, where timely moderation is critical.
- Natural User Interactions: Speechly’s voice API promotes natural user interactions and reduces harmful behavior in online communities, making it an invaluable tool for maintaining a positive and safe user environment.
- Scalability: The technology is scalable, capable of handling hundreds of thousands of hours of audio data, making it suitable for large user bases.
Who Would Benefit Most
- Online Community Platforms: Any platform that involves user-generated content and real-time interactions, such as online games, social media, and virtual worlds, would greatly benefit from Speechly’s technology.
- Developers: Developers looking to integrate voice features into their applications while ensuring a safe and civil user experience would find Speechly’s solutions highly valuable.
- Moderation Teams: Teams responsible for moderating online content would appreciate the real-time capabilities and efficiency that Speechly’s technology offers.