hardware dependend recognition problems: M$ Surface versus Logitech Webcam C925e
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Description
Different recording hardware seems to make a big difference in the overall accuracy.
On an AMD Ryzen5 with a Logitech C925e as input device at ~75% loudness level, the accuracy of the word "carola" with the current big german model is excellent, not perfect, but with 95% fine to use. This system has an nvidia card installed.
The same model on an i7 i915 chipset Surface Tablet with ~ the same word "carola" has a really bad recognition rate of ~30%. On the surface we don't have an nvidia device installed.
A tool to determine the perfect audio level of the microphone for recognition and a test tool for the hardware support would be nice. This could make debugging recognition mistakes a lot easier.
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