AI Engineering• 12 min
Assembly AI: Speech-to-Text at Scale
Real-time transcription architecture, speaker diarization, and cost optimization strategies for processing 1M+ minutes of audio — cutting our bill by 45%.
#assembly-ai#speech-to-text
#real-time
4 posts
AI Engineering• 14 min
Grok: Real-Time Knowledge Graphs and Conversational AI
Building a Grok-inspired real-time knowledge graph system that ingests live data streams and answers questions with up-to-the-minute accuracy.
#grok#knowledge-graph
AI Engineering• 16 min
Perplexity: Building Real-Time Search and RAG Systems
Real-time web retrieval, citation-grounded generation, and the architecture behind sub-second answers — building a Perplexity-style search engine.
#perplexity#rag
open-source-ai• 15 min
RVC: Retrieval-based Voice Conversion (MIT, 12k stars)
Retrieval-based Voice Conversion for real-time voice conversion that preserves intonation and emotion while changing the speaker identity.
#rvc#voice-conversion