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Directory · Audio

Rev AI

Speech-to-text API from Rev offering asynchronous and streaming transcription, trained on Rev's large human-transcribed dataset.

PaidRev · 🇺🇸 United States

Best for

Accurate transcription APIs backed by human-transcription-grade training data

More audio tools

Adobe Podcast

Audio · Adobe · United States

Freemium

Web-based audio tool from Adobe with AI speech enhancement that removes noise and echo from voice recordings, plus mic check and editing.

Best for

Cleaning up spoken-word recordings without pro audio skills

AssemblyAI

Audio · AssemblyAI · United States

Freemium

Speech AI API for transcription, speaker diarization, sentiment analysis, and LLM-powered audio understanding via its Universal models.

Best for

Building transcription and audio intelligence features into applications

Auphonic

Audio · Auphonic · Austria

Freemium

Automated audio post-production service that balances levels, reduces noise, and normalizes loudness, with speech recognition and encoding.

Best for

Hands-off podcast post-production and loudness compliance

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