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Add tests and features for fading and switching between and inside audio blocks

Lars Heinrichsrequested to merge
feature/fading-improv into main

As the title states.

  • dovelet_gain.py: Add a variable fading length (number of samples) inside audio block.

  • dovelet_gain_test.py: Add tests for validating the functioning fading length with activated and deactivated nan_switch.
    (nan_switch=TRUE, fading_function =/= "switch") = gain behavior:
    (1,1) = switch in, switch out, fade over
    (0,1) = fade in, fade out, fade over

  • ihta_convolver.py: Fix an issue, so that fading also works for filter blocks consisting of samples with value NaN.

  • ihta_convolver_test.py: Add tests for validating fading works for filter blocks consisting of samples with value NaN with activated and deactivated auto_switch.
    (auto_switch=TRUE, exchange_function =/= "switch") = convolver behavior:
    (1,1) = switch in, switch out, fade over
    (0,1) = fade in, fade out, fade over

  • ihta_simovdl.py: Add variable nan_hold for setting a number of blocks, for which the last delay block is hold before NaN blocks are processed. Needed for proper fade out, to hold a not NaN block to fade on.

  • ihta_vdl_test.py: Add tests to check proper function of nan_hold. Tests check function when nan_hold is switched off, set to various numbers of blocks, with various delay length, multichannel and resets of the nan_hold.

Edited by Lars Heinrichs

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