We have released our biometric redaction service, read more about all redaction parameters here Job Parameters. Just ask, and we’ll gladly provide more information on why biometric redaction is the recommended approach to comply 100% with HIPAA and GDPR.

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Biometric voiceprints Redaction via cURL

Below are minimal and advanced curl examples showing how to use the service.

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Minimal Biometric Redaction (uses defaults)

curl -X POST https://voiceharbor.ai/api/speech-to-speech-biometric-redaction \
  -H "Authorization: Bearer YOUR_USAGE_TOKEN" \
  -H "Content-Type: multipart/form-data" \
  -F "source_audio=@./martin.wav" \
  --output result.wav
Defaults:
  • biometric-age: young-adult
  • gender: random
  • language: english
  • model_id: mini

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Biometric voiceprints redaction Settings

curl -X POST https://voiceharbor.ai/api/speech-to-speech-biometric-redaction \
  -H "Authorization: Bearer YOUR_USAGE_TOKEN" \
  -H "Content-Type: multipart/form-data" \
  -F "source_audio=@./martin.wav" \
  -F "model_id=advanced" \
  -F "biometric-age=same" \
  -F "gender=opposite" \
  -F "language=fr" \
  --output redacted_fr.wav
Available values:
  • biometric-age: young-adult, middle-aged-adult, senior-adult, same, random
  • gender: same, opposite, random, f, m
  • language: fr, es, de, en, it
  • emotion: sad, happy, neutral
  • model_id: mini, advanced

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Changelog

We are excited to share the release of our revolutionary voice anonymization system for the 2025-05-01, a breakthrough in privacy-preserving speech technology that sets a new standard in both privacy and performance.
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September 2025 Release
Voice Harbor V4

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Changelog

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Voice Harbor V4

CategoryV3V4 Improvements
ExpressivenessNeutral onlyEmotional expressiveness
Language SupportCore setExtended European languages
Control ParametersAge, gender, language+Expressiveness control
Audio Quality16 kHz22 kHz (Mini + Advanced)
Word Error Rate (WER)Baseline−58% (Mini), −62% (Advanced)
MOS (Naturalness)3.724.15 (≈ +12%)
Processing Speed (RTF)~1.5×Mini: <0.5×, Advanced: ~0.75×
With V4, Voice Harbor delivers clearer, faster, and more natural anonymized speech—without sacrificing privacy. Both Mini (optimized for speed) and Advanced (optimized for quality) modes are now more efficient than ever, and both output at 22 kHz.

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Features

  • Biometric Voiceprint Redaction: Stronger anonymization to protect identity.
  • Prosody & Emotion Preservation: Natural intonation with emotional expressiveness.
  • Enhanced Multilingual Support: Broader coverage across European languages.
  • Faster & Higher Quality: 22 kHz output with up to 3× faster processing.
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Mai 2025 Release
Voice Harbor V3.0

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Changelog

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Features

  • Biometric voiceprints Redaction: Remove unique vocal traits to protect your identity.
  • Emotion Preservation: Retain the natural emotional tone of your speech.
  • High-quality Voices: Generate clear, natural-sounding audio.
  • Generative Content Anonymization: Edit words and phrases for a tailored message.
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2024-04-01
Voice Harbor V2.0

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Changelog

Voice Harbor V2.0 introduces a cutting-edge approach to secure speech data transformation, prioritizing privacy and compliance. This version features advanced biometric identity redaction, ensuring sensitive audio content is anonymized while maintaining clarity and usability. Fully approved by CNIL, V2.0 upholds the highest standards for data protection, making it an ideal solution for a wide range of applications requiring secure voice processing.

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Features

  • Biometric voiceprints Redaction: Remove unique vocal traits to protect your identity.
  • Regulatory Compliance: Ensure privacy standards with CNIL-guaranteed protection.