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March 15, 2026

Velma Transcribe by Modulate

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Transcription for Real-World Audio 10x Lower Cost.

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Modulate Transcription API is designed to offer real-world audio transcription, instead of just processing studio recordings. It prides itself on understanding real conversations, handling audio with background noise, overlapping speakers, various accents and emotions.

This API is built with developers in mind and carries the advantage of offering a significantly lower cost for its services when compared with industry standards.

Offering start-to-finish service, Modulate's API bases its functionality on over 500 million hours of conversation training data. It provides real-time streaming support, and promises clear, easy-to-follow documentation and easy onboarding for faster adoption.

The API also provides data redaction for personally identifiable information (PII) and protected health information (PHI), offering an additional layer of user security.

Accent detection, emotion detection and diarization are a few other features. Additionally, Modulate supports over 70 languages, making it a flexible tool for global use.

The API serves as the foundation for other upcoming features such as deepfake detection and conversation understanding, enhancing its utility and potential applications.

Furthermore, Modulate promises teams switching to it will witness higher real-world audio accuracy and fewer post-transcription corrections, potentially reducing infrastructure costs.

Its focus isn't limited to transcription, but extends to providing insights to aid in conversation analysis.

Key Features

#1 Accuracy On Ami Meeting Transcription Benchmark
Up To 10× Lower Cost Than Competing Speech Apis
Real-time Streaming Transcription With Sub-second Latency
Batch Transcription For Large Audio Pipelines
Designed For Messy, Conversational, Real-world Audio
Trained On 500m+ Hours Of Voice Conversations
Structured Output For Ai Pipelines And Llm Workflows

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Initial release of Velma Transcribe by Modulate.

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Pros and Cons

Pros

Real-world conversation understanding

Background noise handling

Overlapping speaker detection

Accent recognition

Emotion detection

Data redaction

Developer-oriented design

10x lower cost service

Real-time streaming

500 million hours training data

Clear and easy documentation

Supports 70+ languages

Post-transcription correction reduction

Conversation analysis capabilities

User security with data redaction

PII and PHI protection

Upcoming deepfake detection feature

Upcoming conversation understanding feature

Fewer infrastructure costs due to accuracy

Meeting intelligence tool development

Imminent expansion of voice intelligence platform

Strong real-world conversation accuracy

Diarization support

Handles audio quality shifts

Batch and streaming transcription

Faster adoption due to easy onboarding

AMI Meeting Corpus benchmark top performance

Detects multi-speaker audio overlap

Real-world audio, not studio recordings

Supports meeting transcript complexities

Future potential with planned features

Reduced post-processing due to higher accuracy

Extends beyond transcription to conversation analysis

Ideal for voice agent development

View 29 more pros

Cons

No SDK available

Limited to 70 languages

No explicit uptime guarantee

Potential language bias from training dataset

Lack of deepfake detection capabilities currently

Dependent on strong internet connection

Post-processing correction reduction unclear

500M training hours may be insufficient

Emotion detection accuracy not specified

Issues handling superimposed speech unclear

View 5 more cons

Q&A

What is the main function of Modulate Transcription API?

The main function of Modulate Transcription API is to process real-world audio transcriptions. It comprehends real conversations and is not limited to neat studio recordings. The API offers superior performance in transcribing messy or complex audio with high accuracy.

How is the accuracy of Modulate Transcription API?

The accuracy of Modulate Transcription API is exceptional. It demonstrates superior performance on overlapping speakers, various accents and emotions, and even in transcribing messy or complex audio. Modulate is the #1 accuracy leader on the AMI benchmark, suggesting an industry-leading transcription accuracy.

How does Modulate Transcription API handle overlapping speakers?

Modulate Transcription API handles overlapping speakers exceptionally well. It can effectively transcribe when speakers are overlapping, demonstrating accuracy even in complex multi-speaker scenarios.

Can Modulate Transcription API understand various accents and emotions?

Yes, Modulate Transcription API is able to understand various accents and emotions. The API's capacity for accent detection covers more than 20 accents, and its emotion detection functionality can recognize more than 20 emotions.

What makes Modulate Transcription API cost-effective?

Modulate Transcription API is cost-effective due to its on-demand pricing structure. Teams switching from leading alternatives can expect serious savings due to this pricing model. In a cost comparison among STT Leaders, Modulate stands out with the 10x lower cost than the competition.

What are the additional functionalities provided by Modulate Transcription API?

Besides transcription, Modulate Transcription API sets the base for additional functionalities such as emotion detection, speaker diarization, and conversation analysis, making the API a multi-faceted tool with utility beyond regular transcription services.

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How does Modulate Transcription API assist in post-processing pipelines?

Modulate Transcription API assists in post-processing pipelines by minimizing the need for corrections. Higher initial accuracy from the API means fewer adjustments and corrections needed in the post-processing phase, saving time and resources.

Does Modulate Transcription API support real-time streaming?

Yes, Modulate Transcription API supports real-time streaming. It can transcribe audio as it is occurring, a vital feature for interactions that require immediate transcription, such as live broadcasts or meetings.

What does the REST API of Modulate Transcription API entail?

Modulate Transcription API comes with a REST API facilitating a smooth and simple integration process. It is a convenient tool that does not require an SDK, making it easy to deploy and use.

Is there documentation provided for Modulate Transcription API?

Yes, clear documentation is provided for Modulate Transcription API. This is intended to facilitate fast onboarding for users, enabling them to swiftly understand and begin using the API.

What makes Modulate Transcription API suitable for developers?

Modulate Transcription API is suitable for developers thanks to its simple REST API, no SDK requirements, and clearly provided documentation. These features combined make the API easy to understand, integrate, and use in various applications.

What are the benefits of the on-demand pricing feature in Modulate Transcription API?

The on-demand pricing feature in Modulate Transcription API offers significant cost savings. This model allows for payment as transcription services are used, which can lead to substantial cost reductions for teams, especially when switching from other, more expensive, leading alternatives.

What is the word error rate of Modulate Transcription API?

Modulate Transcription API has the lowest Avg. Word Error Rate (WER) among the transcription tools compared on the website. This significantly contributes to its claim of being the #1 accuracy leader on the AMI benchmark.

Can Modulate Transcription API perform emotion detection and conversation analysis?

Yes, Modulate Transcription API can perform emotion detection and conversation analysis. This is in addition to its core functionality of transcribing audio from various real-world sources. The ability to detect emotions and perform conversation analysis offers additional insights for users.

How difficult is the onboarding process for Modulate Transcription API?

The onboarding process for Modulate Transcription API is designed to be easy and fast. This is facilitated by the clear documentation provided and the simplicity of the REST API that does not require any SDK.

Does Modulate Transcription API require any SDK?

No, Modulate Transcription API does not require any SDK. It uses a simple REST API, making it easier to get started without having to install or manage additional software development kits.

How does Modulate handle complex audio transcription?

Modulate Transcription API handles complex audio transcription with an exceptional capability. It is capable of transcribing messy audio, real conversations, and sounds from non-studio recordings. Its high accuracy in transcribing overlapping speakers, various accents, and emotions also aids in dealing with complex audio transcription.

What is the speed of transcription using Modulate?

The speed of transcription using Modulate is in real-time. This allows it to support real-time streaming and handle transcriptions live, as they occur.

How does Modulate Transcription API compare to other transcription services?

Compared to other transcription services, Modulate Transcription API excels with its #1 accuracy on independent benchmarks, 10x lower cost, real-time streaming, comprehensive language, accent, and emotion support, and additional capabilities such as conversation analysis and speaker diarization. It notably offers serious savings compared to leading alternatives.

Does Modulate Transcription API offer language processing?

Yes, Modulate Transcription API does offer language processing. It supports up to 70 languages, making it highly versatile for transcription needs across different languages.

What is Velma Transcribe by Modulate?

Velma Transcribe by Modulate is a real-time and batch speech-to-text API designed for real-world conversations. It is a part of Modulate’s Velma voice intelligence platform and is built to maintain accuracy even in messy audio environments. It outperforms typical transcription systems with abilities such as handling background noise, overlapping speakers, various accents and emotions. It's designed with production-scale economics and delivers transcription at up to 10× lower cost than leading APIs.

How accurate is Velma Transcribe in terms of word error rate?

Velma Transcribe achieves a 14.9% word error rate on the AMI Meeting Corpus, which is the industry’s gold standard benchmark for real meeting transcription.

How does Velma Transcribe handle messy audio in meetings?

Velma Transcribe is trained on hundreds of millions of hours of conversational audio which allows it to efficiently manage messy audio in meetings. It has the ability to handle situations where speakers interrupt each other, audio quality shifts, and multiple voices overlap, maintaining strong accuracy even in these challenging audio environments.

What contributes to the significantly lower cost of using Velma Transcribe?

Velma Transcribe achieves significantly lower cost due to its design built for production-scale economics. The highly trained Ensemble Listening Model and the ability to handle complex audio environments enable fewer post-transcription corrections, potentially reducing cost. Additionally, it offers high accuracy, meaning users may spend less time on corrections, leading to cost savings in terms of time and resources.

What upcoming features does Velma Transcribe have?

Upcoming features for Velma Transcribe include emotion detection, synthetic voice detection, and conversation understanding. These are expected to extend Velma Transcribe's utility and potential applications considerably.

What kind of real-world audio can Velma Transcribe handle?

Velma Transcribe can effectively handle real-world audio which includes conversations with background noise, overlapping speakers, and various accents. It is designed to transcribe not just clean, studio-recorded audio, but real, messy, and complex conversations in different environments.

How does Velma Transcribe ensure user security and data protection?

Security is a priority for Velma Transcribe. It provides data redaction for personally identifiable information (PII) and protected health information (PHI), offering an additional layer of user security. Additionally, Modulate is ISO 27001 certified, ensuring the highest level of data protection standards are adhered to.

Can Velma Transcribe detect accents in conversations?

Yes, Velma Transcribe has the capability to detect 20+ accents in conversations. This feature enhances its ability to transcribe and understand diverse real-world conversations in a plethora of settings.

What real-time services does Velma Transcribe offer?

Velma Transcribe offers real-time streaming. It's designed to provide transcriptions in real time, making it an ideal tool for live conversations, meetings, and other real-time audio needs.

How does Velma Transcribe handle overlapping speakers in a conversation?

Velma Transcribe has been trained to handle overlapping speakers naturally. Unlike some transcription systems which underperform in complex multi-speaker audio situations, Velma Transcribe maintains its accuracy and ensures the transcription remains comprehensible and representative of the actual conversation.

Is Velma Transcribe a multilingual tool?

Yes, Velma Transcribe supports over 70 languages making it a truly global tool adaptable to various languages and accents. This increases its applicability and usefulness for users in different regions or with multilingual needs.

How does Velma Transcribe compare to other APIs in cost-effectiveness and accuracy?

Velma Transcribe demonstrates significant cost-effectiveness and accuracy compared to other transcription APIs. Besides lower error rates, it delivers transcription at up to 10× lower cost than leading APIs, maintaining a high level of accuracy in even challenging audio environments. This makes Velma Transcribe both economically and functionally effective.

Does Velma Transcribe offer emotion detection in conversations?

Yes, one of Velma Transcribe's key features is the ability to detect 20+ emotions in conversations. This goes beyond simple transcription, providing nuanced understanding and insights into the conversation's emotional context and tone.

What is the Ensemble Listening Model in Velma Transcribe?

The Ensemble Listening Model in Velma Transcribe is a unique feature that contributes to its accuracy and comprehension. It's trained on hundreds of millions of hours of conversational audio, allowing Velma Transcribe to maintain strong accuracy even in real-world environments where the audio could be messy.

In what areas does Velma Transcribe have an advantage over other transcription systems?

Velma Transcribe surpasses other transcription systems in its ability to handle real-world audio, detecting accents and emotions, and providing data redaction for user security. It offers real-time streaming, supports over 70 languages, and has significantly lower cost, making it both versatile and cost-effective. Furthermore, its low error rate and the ability to seamlessly handle overlapping speakers and background noise give it an edge over the competition.

Can Velma Transcribe handle audio with background noise?

Yes, Velma Transcribe is designed to handle audio with background noise. It can understand real conversations despite the presence of noise, delivering high accuracy transcriptions by leveraging hundreds of millions of hours of conversational audio its Ensemble Listening Model has been trained on.

How user-friendly is Velma Transcribe for developers?

Velma Transcribe is highly user-friendly for developers. It offers clear documentation and fast onboarding, which facilitates quicker adoption. The API also provides real-time streaming support and a simple REST API, requiring no SDK. This eases the integration process, making it highly accommodating for developers.

How does Velma Transcribe handle data redaction for PII and PHI?

Velma Transcribe handles data redaction for personally identifiable information (PII) and protected health information (PHI) as part of its user security measures. It automatically redacts any such information in the transcription process to protect user privacy and maintain compliance with data protection regulations.

What is the basis of Velma Transcribe's functionality in regards to conversation training data?

The basis of Velma Transcribe's functionality in regards to conversation training data lies in its training on over 500 million hours of conversation. This extensive training helps it understand and transcribe complex, messy and real-world audios effectively and accurately.

What insights can Velma Transcribe provide for conversation analysis?

Velma Transcribe provides insights that aid conversation analysis by detecting emotions and accents, identifying overlapping speakers and handling messy audio with high accuracy. This gives a more comprehensive understanding of the conversation, beyond just the transcription of words, thereby enriching conversation analysis.

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