/usr/include/aubio/ is in libaubio-dev 0.4.5-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/aubio/aubio.h
/usr/include/aubio/cvec.h
/usr/include/aubio/fmat.h
/usr/include/aubio/fvec.h
/usr/include/aubio/io/
/usr/include/aubio/io/audio_unit.h
/usr/include/aubio/io/ioutils.h
/usr/include/aubio/io/sink.h
/usr/include/aubio/io/sink_apple_audio.h
/usr/include/aubio/io/sink_sndfile.h
/usr/include/aubio/io/sink_wavwrite.h
/usr/include/aubio/io/source.h
/usr/include/aubio/io/source_apple_audio.h
/usr/include/aubio/io/source_avcodec.h
/usr/include/aubio/io/source_sndfile.h
/usr/include/aubio/io/source_wavread.h
/usr/include/aubio/lvec.h
/usr/include/aubio/mathutils.h
/usr/include/aubio/musicutils.h
/usr/include/aubio/notes/
/usr/include/aubio/notes/notes.h
/usr/include/aubio/onset/
/usr/include/aubio/onset/onset.h
/usr/include/aubio/onset/peakpicker.h
/usr/include/aubio/pitch/
/usr/include/aubio/pitch/pitch.h
/usr/include/aubio/pitch/pitchfcomb.h
/usr/include/aubio/pitch/pitchmcomb.h
/usr/include/aubio/pitch/pitchschmitt.h
/usr/include/aubio/pitch/pitchspecacf.h
/usr/include/aubio/pitch/pitchyin.h
/usr/include/aubio/pitch/pitchyinfft.h
/usr/include/aubio/spectral/
/usr/include/aubio/spectral/awhitening.h
/usr/include/aubio/spectral/fft.h
/usr/include/aubio/spectral/filterbank.h
/usr/include/aubio/spectral/filterbank_mel.h
/usr/include/aubio/spectral/mfcc.h
/usr/include/aubio/spectral/phasevoc.h
/usr/include/aubio/spectral/specdesc.h
/usr/include/aubio/spectral/tss.h
/usr/include/aubio/synth/
/usr/include/aubio/synth/sampler.h
/usr/include/aubio/synth/wavetable.h
/usr/include/aubio/tempo/
/usr/include/aubio/tempo/beattracking.h
/usr/include/aubio/tempo/tempo.h
/usr/include/aubio/temporal/
/usr/include/aubio/temporal/a_weighting.h
/usr/include/aubio/temporal/biquad.h
/usr/include/aubio/temporal/c_weighting.h
/usr/include/aubio/temporal/filter.h
/usr/include/aubio/temporal/resampler.h
/usr/include/aubio/types.h
/usr/include/aubio/utils/
/usr/include/aubio/utils/hist.h
/usr/include/aubio/utils/log.h
/usr/include/aubio/utils/parameter.h
/usr/include/aubio/utils/scale.h
/usr/include/aubio/vecutils.h