[FEATURE] Instantiate (linear) models from .wav files - #337
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Brings in NAM Core 0.6.0 from sdatkinson/NeuralAmpModelerCore: - models with variable sample rate (sdatkinson#333): Linear reports SupportsArbitrarySampleRate() and resamples in Reset() - 1-to-n and n-to-1 channel configurations in Linear models (sdatkinson#335, breaking: a Linear model now needs one kernel per output/input path) - Linear models instantiated from .wav files through get_dsp() (sdatkinson#337) - version bump to 0.6.0 (sdatkinson#336) Conflicts: - NAM/get_dsp.cpp: kept all three includes (<algorithm> and <cctype> from upstream, <cmath> from our validation code). - NAM/linear.cpp: took upstream's rewritten direct-convolution loop. Our side only had a static_cast to silence an MSVC conversion warning in the code that upstream replaced. Consumers now have to compile NAM/wav.cpp too: get_dsp.cpp calls nam::detail::load_wav_ir().
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A .wav file is often used to hold the impulse response of a system. This can be used to define a linear model (as is super-common in digital audio).
This implements a loading routine that does a (lossless) conversion from a .wav IR to a linear model.
Resolves #157