--- canonical: "https://www.softatlas.io/assemblyai/products/pre-recorded-speech-to-text-api" name: "Pre-recorded Speech-to-Text API" provider: "AssemblyAI" category: "Artificial Intelligence / LLM Platforms / Inference APIs" review_count: 0 ai_powered: false website: "https://assemblyai.com/products/speech-to-text" updated: "2026-07-20" --- # Pre-recorded Speech-to-Text API By [AssemblyAI](/assemblyai.md) Transforms pre-recorded audio into structured, actionable intelligence with high accuracy and support for 99 languages. ## Features - Transcribe pre-recorded audio into text with high accuracy - Support transcription in 99 languages with code-switching - Detect and label multiple speakers in audio recordings - Recognize and handle domain-specific and complex audio - Provide natural language prompting for transcription - Ensure noise-resilient transcription - Recognize medical terminology with clinical-grade accuracy - Offer unlimited concurrency for transcription tasks ## Built for DEVELOPERS, CUSTOMER_SUPPORT, OPERATIONS Source: https://www.softatlas.io/assemblyai/products/pre-recorded-speech-to-text-api