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@@ -1,5 +1,7 @@
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+import pathlib
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import typing
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+import numpy
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import scipy.io.wavfile
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@@ -24,7 +26,9 @@ def trim_where(
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return sequence[start:stop]
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-def wavfile_read_mono(path):
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+def wavfile_read_mono(
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+ path: typing.Union[pathlib.Path, str]
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+) -> typing.Tuple[int, numpy.ndarray]:
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# https://docs.scipy.org/doc/scipy/reference/generated/scipy.io.wavfile.read.html
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rate, data = scipy.io.wavfile.read(path)
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data_first_channel = data[:, 0]
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