Tag

#cost optimization

Voice activity detection waveform before transcription for lower cost and latency
AI Agents 5 min read

Voice Activity Detection Before Transcription: Cut Silence, Cost, and Latency

I've deployed VAD in production transcription pipelines. Here's how to cut silence before STT and lower cost and latency without hurting transcript accuracy.

Sarah Mitchell
Audio Preprocessing for Transcription: FFmpeg Settings That Improve Accuracy
Developer Guides 5 min read

Audio Preprocessing for Transcription: FFmpeg Settings That Improve Accuracy

Audio preprocessing for transcription beats prompt tuning. I share the FFmpeg commands I run before every STT upload: mono 16 kHz, highpass, loudnorm, and when not to denoise.

Sarah Mitchell
Batch transcription API pipeline with audio preprocessing and retry workflow
Developer Guides 5 min read

Batch Transcription API Best Practices: Preprocessing, Retries, and Cost Control

I've debugged batch STT pipelines that failed 40% of files. Here's the FFmpeg preprocessing, retry logic, and cost controls I use in production.

Sarah Mitchell
Laptop with code editor connected to three API cards, illustrating a developer comparison of speech-to-text APIs
Comparisons 8 min read

Comparing Speech-to-Text APIs for Developers in 2026: Privacy, Speed, and Cost

I've spent six years evaluating speech-to-text APIs for production. Here's the 2026 comparison of privacy architecture, speed under load, and true cost at scale.

Sarah Mitchell
Speech-to-Text API Free Tiers Compared: What You Actually Get for $0
Comparisons 5 min read

Speech-to-Text API Free Tiers Compared: What You Actually Get for $0

I've tested every free tier in speech-to-text. Here's what each API actually gives you for $0, which ones expire, and which is best for your project.

Sarah Mitchell

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