Tag

#privacy

Speaker Diarization Privacy Tradeoffs: When Labels Become Identifiers
Privacy & Compliance 5 min read

Speaker Diarization Privacy Tradeoffs: When Labels Become Identifiers

I've seen diarization labels re-identify speakers in HIPAA calls. Here's when speaker IDs become PHI, and when to disable diarization in your transcription pipeline.

Speech-to-text API SLA dashboard with uptime and latency metrics
Developer Guides 5 min read

Speech-to-Text SLAs: Uptime, Latency Targets, and What Breaks First

Uptime badges hide concurrency cliffs and regional latency. I've mapped what speech-to-text SLAs really cover and what to load-test before you sign a vendor contract.

Sealed evidence bag with microphone waveform illustrating private speech-to-text for incident response recordings
Privacy & Compliance 5 min read

Speech-to-Text for Incident Response Recordings: Chain of Custody Without Public APIs

I've sat on IR bridges where war-room audio got dropped into a public Whisper API for searchable notes. That habit breaks chain of custody. Here's the private transcription pattern I use when recordings may become evidence.

Zero-Retention Transcription APIs: What 'No Training' Actually Guarantees
Privacy & Compliance 5 min read

Zero-Retention Transcription APIs: What 'No Training' Actually Guarantees

No training is not zero retention. I break down OpenAI, Deepgram, and AssemblyAI retention defaults, then the DPA language and retrieve-after-N-minutes test I require before production audio leaves the VPC.

PII Redaction in Speech-to-Text: What Works in Production Pipelines
Privacy & Compliance 5 min read

PII Redaction in Speech-to-Text: What Works in Production Pipelines

I've wired PII redaction into call and agent transcription stacks. Transcript NER alone is not enough. Here's the production stack that holds up under audit.

Abstract gauge and waveform illustrating transcription confidence scores
Developer Guides 5 min read

Transcription Confidence Scores: When to Trust Them (and When to Ignore Them)

I've watched production teams treat transcription confidence scores like a truth meter. Here's what those numbers measure, when to trust them, and how agents should fall back.

Conceptual illustration of private on-network audio transcription: a cyan waveform enters a shielded vault while the cable to a third-party cloud is severed — AssemblyAI Sync API alternative metaphor
Comparisons 6 min read

AssemblyAI Sync API Alternative: Private HTTP Transcription Without the Third-Party Hop

AssemblyAI Sync is one-shot HTTP STT at ~134 ms p50 and $0.45/hr, but the default host still sends audio off-network. Privocio keeps that POST-and-read DX on private infrastructure with flat 4-week pricing.

Speaker Diarization APIs: Identifying Who Said What Without Sacrificing Privacy
Privacy & Compliance 8 min read

Speaker Diarization APIs: Identifying Who Said What Without Sacrificing Privacy

I've integrated diarization into meeting bots and voice agents for three years. Vendor docs tout accuracy, but here's what happens to the voiceprints your API call creates.

Multilingual speech-to-text API language coverage globe illustration
Comparisons 5 min read

Multilingual Speech-to-Text APIs: Language Coverage and Accuracy Compared

I tested six multilingual STT APIs on a 47-language corpus. Language counts on marketing pages rarely match production accuracy. Here's how to pick the right API for your markets.

Speech-to-Text API Rate Limits: Concurrency, Quotas, and What Breaks at Scale
Developer Guides 5 min read

Speech-to-Text API Rate Limits: Concurrency, Quotas, and What Breaks at Scale

Rate limits kill speech-to-text pipelines before cost or accuracy ever matter. I've stress-tested six providers under load and mapped what breaks at scale.

Engineer comparing speech-to-text migration options at a standing desk with handwritten notes
Comparisons 10 min read

OpenAI Whisper API Alternative: When to Switch to Private Speech-to-Text

A decision framework for teams evaluating an OpenAI Whisper API alternative — pricing at 10/50/200 hours, privacy, output modes, self-hosting, and a one-line migration path.

Speech-to-Text for Mobile Apps: On-Device vs API Transcription Compared
Developer Guides 5 min read

Speech-to-Text for Mobile Apps: On-Device vs API Transcription Compared

I've shipped voice into six mobile apps. Here's when on-device Whisper beats a cloud API — and when fixed-rate private transcription wins on battery, privacy, and cost.

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