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Diffstat (limited to 'gnu/packages/audio.scm')
| -rw-r--r-- | gnu/packages/audio.scm | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm index db05735c95..780a0ec996 100644 --- a/gnu/packages/audio.scm +++ b/gnu/packages/audio.scm @@ -2480,6 +2480,46 @@ CFFI and NumPy.") files.") (license license:expat))) +(define-public audio-to-midi + (package + (name "audio-to-midi") + (version "2020.7") + (source + (origin + (method git-fetch) + (uri (git-reference + (url "https://github.com/NFJones/audio-to-midi") + (commit (string-append "v" version)))) + (sha256 + (base32 + "12wf17abn3psbsg2r2lk0xdnk8n5cd5rrvjlpxjnjfhd09n7qqgm")))) + (build-system python-build-system) + (propagated-inputs + `(("python-cffi" ,python-cffi) + ("python-cython" ,python-cython) + ("python-numpy" ,python-numpy) + ("python-progressbar2" ,python-progressbar2) + ("python-pycparser" ,python-pycparser) + ("python-python3-midi" ,python-python3-midi) + ("python-soundfile" ,python-soundfile))) + (native-inputs + `(("libsndfile" ,libsndfile))) + (arguments + `(#:phases + (modify-phases %standard-phases + (add-after 'unpack 'fix-versions + (lambda _ + (substitute* "requirements.txt" (("==") ">="))))))) + (home-page "https://github.com/NFJones/audio-to-midi") + (synopsis "Convert audio to multichannel MIDI.") + (description "@command{audio-to-midi} converts audio files to multichannel +MIDI files. It accomplishes this by performing FFTs on all channels of the +audio data at user-specified time steps. It then separates the resulting +frequency analysis into equivalence classes which correspond to the twelve tone +scale; the volume of each class being the average volume of its constituent +frequencies. This data is then formatted to MIDI and written to disk.") + (license license:expat))) + (define-public lilv (package (name "lilv") |