Dual frequency test#2378
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Calculate the frequency spectrum: - Apply Hanning window - Execute FFT - Normalize the FFT output (https://holometer.fnal.gov/GH\_FFT.pdf)
Partition the spectrum into four bands. Measure the percentage of inband frequency bin. A frequency bin is consider as inband if the magnitude at that frequency bin is not higher than top threshold and not lower than the bottom threshold.
Add band specs for unprocessed and voice recognition
The presets with silence source allow the DUT record the sound from external speaker without playing it. A auxiliary phone can play the sound on the external speaker and the DUT will record.
robertwu1
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May 11, 2026
robertwu1
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May 11, 2026
robertwu1
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since this is a bigger change, please test the other tests to make sure there are no regressions. Thanks!
Also wait for Xiaotong's tests before submitting
robertwu1
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May 11, 2026
Currently, the activities have to map the values to [-1,1] range before drawing it. This change moves that computation to the View classes.
Define the preferred input/output device for all presets. The preferred input will be selected automatically if available. For the preferred output, the app only checks whether the device is available. The output device is always the one with the highest priority. If the preferred microphone or speaker is not found, raise a Toast.
Add the line view supporting the following features: - Add multiple lines - Draw each line as a line or bars - Modify a line - X-axis scale: log or linear - Grid lines with labels
- Move the axis label out of the graph. - Use the suffix 'k' to represent 1,000.
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Porting Frequency Unprocessed and Voice Recognition Tests.
Uncovered tests: