#audio

Noisy calls, clear agents: how voice AI survives real-world (and Indian) phone audio

Real phone audio is nothing like a demo mic. Street noise, a TV in the next room, two people talking, and low-bitrate carrier codecs all conspire to break naive voice AI. Here's the actual DSP — echo cancellation, a dual-path denoiser design, VAD tuning, and background-media rejection — that keeps an agent clear on messy Indian PSTN calls without clipping soft speech.