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Feasibility study for a Czech-language voice AI advisor

A feasibility study for a Czech-language voice AI advisor: four documents on what latency and Czech speech quality allow, and what they do not.

The challenge

Do latency and Czech speech quality allow it at all?

A customer in agricultural inputs wanted a voice advisor that holds a genuinely natural expert conversation in Czech, reaches a concrete recommendation including dosage and price, and prepares a binding order. It was open whether the quality of Czech speech recognition and synthesis and the overall latency allow it at all, and how to stop the model inventing recommendations and prices.

Our approach

Four documents with an explicit line between build and fixtures.

We produced a functional analysis that drew ten agent requirements out of the customer’s sample dialogue, a latency study, a proof-of-concept plan and a task-by-task implementation plan. There is no code in the directory: the first task of the implementation plan is to create the repository.

Latency broken down by voice-pipeline layer at p50 and p95 for Czech, hosted in the EU
Thresholds set for perceived silence
Order and VAT computed deterministically in code, not in the model
An explicit line between what will actually be built and what will be fixtures

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