Changeset 6f944b5


Ignore:
Timestamp:
Oct 30, 2018, 12:22:41 AM (13 months ago)
Author:
Paul Brossier <piem@piem.org>
Branches:
feature/autosink, feature/constantq, feature/pitchshift, feature/pydocstrings, feature/timestretch, master
Children:
e9a4402
Parents:
1f07bdd
Message:

[py] add note2freq to midiconv.py

File:
1 edited

Legend:

Unmodified
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  • python/lib/aubio/midiconv.py

    r1f07bdd r6f944b5  
    55
    66import sys
    7 from ._aubio import freqtomidi
     7from ._aubio import freqtomidi, miditofreq
    88
    99py3 = sys.version_info[0] == 3
     
    7676    nearest_note = int(freqtomidi(freq) + .5)
    7777    return midi2note(nearest_note)
     78
     79def note2freq(note):
     80    """Convert note name to corresponding frequency, in Hz.
     81
     82    Parameters
     83    ----------
     84    note : str
     85        input note name
     86
     87    Returns
     88    -------
     89    freq : float [0, 23000[
     90        frequency, in Hz
     91
     92    Example
     93    -------
     94    >>> aubio.note2freq('A4')
     95    440
     96    >>> aubio.note2freq('A3')
     97    220.1
     98    """
     99    midi = note2midi(note)
     100    return miditofreq(midi)
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