Research proposes study into why AI voices falter in Urdu-English code-switched ads

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A researcher in Lahore has proposed a study on AI voice synthesis for Urdu-English advertising, set for 2026. Current AI voices fail at the precise points in ads where languages switch, losing persuasive prosody. The research aims to analyze the specific acoustic patterns at these switch points, which existing systems do not address. It will create the first annotated corpus of Pakistani code-switched ads to measure the gap between human and synthetic speech. The goal is to develop a voice synthesis system that preserves the persuasive impact crucial for advertisers.

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