modulate.ai

Quick answer: modulate.ai is modulate is a frontier voice AI company building the world’s first Ensemble Listening Model that outperforms LLMs at understanding real conversations.

Listed 2026-08-28 · Request removal

Definition: Modulate is a voice AI company focused on understanding real conversations through audio APIs and voice moderation products. Its platform is designed for developers, game studios, enterprises, trust and safety teams, and compliance teams that need to transcribe, analyze, moderate, or redact spoken audio.

What is Modulate used for?

Modulate provides tools for working with voice data in real-world conversations. The company describes its work as building an Ensemble Listening Model intended to understand conversations beyond basic speech-to-text output. Its products and APIs support tasks such as transcription, conversation intelligence, voice moderation, deepfake detection, emotion detection, accent identification, and the redaction of sensitive information.

The platform can be relevant when an organization needs more than a written transcript. For example, a team may want to identify unsafe behavior in live voice chat, review recorded calls for patterns, detect possible synthetic or manipulated audio, or remove personally identifiable information and protected health information from recordings. Modulate positions these capabilities for audio environments where context, speaker behavior, and safety workflows matter.

Common uses of Modulate include:

• Transcribing recorded or live conversations
• Moderating voice interactions in online communities and games
• Reviewing audio for fraud and deepfake indicators
• Redacting PII or PHI from spoken recordings
• Analyzing conversations for operational or customer insights
• Adding voice-processing capabilities to applications through APIs

Which audio and conversation features does Modulate offer?

Modulate’s feature set covers both speech processing and audio intelligence. Transcription is available for converting spoken material into text. Organizations can use this output as part of search, review, reporting, accessibility, documentation, or downstream analytics workflows. Because the platform supports both batch and streaming audio APIs, it can be considered for recorded files as well as use cases involving ongoing audio.

Conversation intelligence is another part of the offering. This category generally concerns extracting useful signals from voice interactions rather than treating the audio only as text. Modulate also lists emotion detection and accent identification among its capabilities. These features may be evaluated by teams that need to understand characteristics of spoken interactions, while taking care to validate outputs for their specific setting and policies.

For safety and security work, Modulate includes voice moderation and deepfake detection. Voice moderation can support trust and safety programs in environments where users speak to one another, including gaming and community platforms. Deepfake detection is intended for assessing audio that may be fraudulent or artificially generated. These functions can be useful alongside human review, escalation procedures, and internal rules for handling reports or flagged content.

Modulate also provides PII and PHI redaction. This can help organizations prepare audio or transcripts for processes that require limiting exposure to sensitive data. Teams handling customer conversations, support calls, healthcare-related material, or regulated workflows may assess redaction options as part of a broader compliance process. The appropriate implementation will depend on data handling practices, retention requirements, and the organization’s legal and security obligations.

How can developers connect to Modulate?

Modulate is available through web-based resources and APIs. Its listed technical interfaces include REST and WebSocket access, giving developers options for different audio-processing patterns. REST APIs can suit workflows where an application submits audio for processing and retrieves results, while WebSocket connectivity can be relevant for streaming scenarios that require an ongoing connection.

The availability of batch and streaming audio APIs means implementation choices can match the source of the audio. A batch workflow may be appropriate for stored call recordings, uploaded audio files, or scheduled processing jobs. A streaming workflow may be more suitable for active voice interactions where a product needs to process audio while a conversation is taking place. Developers should consult Modulate’s documentation to determine supported request formats, model availability, output structure, authentication requirements, and production constraints.

Modulate lists Vivox as an integration. This may be particularly relevant to teams building or operating voice-enabled experiences that already use Vivox. For other technology stacks, the API approach can provide a path to connect Modulate capabilities with internal applications, data pipelines, moderation tools, or review queues.

Before deployment, technical teams should test representative audio. Real-world performance can vary based on recording quality, background noise, overlapping speakers, languages, accents, network conditions, and the type of conversation being analyzed. Testing also helps determine whether a batch or streaming design best fits latency, cost, moderation, and operational requirements.

Who is Modulate for?

Modulate is aimed at several groups that work with spoken interactions. Developers can use the APIs to add transcription, moderation, redaction, or audio-analysis functions to products. Game studios may consider its voice moderation tools for player communications and trust and safety operations. Enterprises can use speech and conversation tools in workflows involving customer interactions, internal recordings, compliance review, or analytics.

Trust and safety teams are a central audience because voice channels can be difficult to review at scale. Modulate’s voice moderation capabilities may support detection and triage processes, but organizations still need clear enforcement policies and review operations. A moderation system should be assessed not only on technical outputs but also on appeal processes, human oversight, regional requirements, and the consequences of false positives or missed issues.

Compliance teams may be interested in PII and PHI redaction when dealing with recordings that contain sensitive information. Fraud and risk teams may evaluate deepfake detection for workflows involving suspicious audio or voice-based verification concerns. In each case, Modulate is an audio intelligence and processing tool rather than a replacement for a complete governance, legal, security, or incident-response program.

What does Modulate pricing include?

Modulate uses usage-based API pricing based on hours of audio processed. For some models, listed API pricing starts at $0.03 per hour. Actual costs can depend on the selected model and the amount and type of audio processed, so teams should review the current pricing information for the specific capabilities they plan to use.

A free option is available with 1,000 free credits and no card required. This can give developers or evaluation teams a way to test Modulate before committing to ongoing processing volume. The company also states that free credits are included, though the practical coverage of those credits will depend on the model selected and the amount of audio submitted.

For ToxMod, Modulate lists plans beginning at $0 per month. Custom pricing is also available, which may be relevant for organizations with enterprise requirements, larger volumes, specialized implementation needs, or additional support expectations. Buyers should confirm current plan terms, applicable usage charges, and whether desired features are available at their chosen tier.

What are the limitations of Modulate?

Modulate pricing is model-dependent, so a starting per-hour API figure does not necessarily apply to every feature or deployment. Organizations should estimate expected audio volume, compare model choices, and confirm how streaming, batch processing, redaction, moderation, or other selected services affect total cost.

Some enterprise-oriented capabilities may require a custom arrangement or a higher-tier plan. Integration, security, procurement, support, and data-governance needs can also influence implementation effort. The listed Vivox integration does not mean every third-party voice or contact-center platform has a prebuilt integration, although APIs may enable custom connections.

As with other voice AI systems, outputs should be evaluated on the audio conditions and populations relevant to the intended use. Noise, poor microphones, simultaneous speakers, unusual terminology, and varied accents can affect results. Modulate can provide useful signals for transcription, moderation, detection, and analysis, but high-impact decisions should include suitable validation and human processes.

FAQ

What is Modulate?

Modulate is a voice AI company that provides conversation understanding, transcription, voice moderation, deepfake detection, redaction, and related audio APIs.

Does Modulate support live audio?

Yes. Modulate offers streaming as well as batch audio APIs, with REST and WebSocket interfaces listed for developer use.

Is there a free plan for Modulate?

Yes. Modulate offers 1,000 free credits without requiring a card, and its ToxMod plans start at $0 per month.

What can Modulate redact from audio?

Modulate lists PII and PHI redaction capabilities for workflows involving sensitive spoken information.

What is voice AI used for?

Voice AI is used for tasks such as transcription, live audio processing, conversation analysis, accessibility, fraud review, and moderation. Modulate is one platform built for several of these voice AI uses.

What is voice moderation software?

Voice moderation software helps teams identify and manage unsafe or policy-relevant behavior in spoken interactions. Modulate provides voice moderation tools for trust and safety workflows, including voice-enabled communities and games.

How do speech-to-text APIs work?

Speech-to-text APIs accept audio and return a transcription that applications can search, analyze, store, or route into other workflows. Modulate provides transcription through audio APIs and also offers additional conversation and safety features.