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testsets.py
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#!/usr/bin/python
#
# notesets.py
#
# Provides NoteSet subclasses which can read their data from test .wav files
# and which provide known classification data.
#
# This program is distributed under the of the GNU Lesser Public License.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>
from sys import stdout;
from notes import NoteSet;
from audio import AudioFile;
# Reference frequency, for c3
c3freq = 134.0;
# Number of notes to test
testNoteCount = 36;
# Names of notes, starting from c3
noteNames = [
"c3",
"cs3",
"d3",
"ds3",
"e3",
"f3",
"fs3",
"g3",
"gs3",
"a3",
"as3",
"b3",
"c4",
"cs4",
"d4",
"ds4",
"e4",
"f4",
"fs4",
"g4",
"gs4",
"a4",
"as4",
"b4",
"c5" ];
class SingleNote(NoteSet):
def __init__(self, note, framesize, reference=c3freq, numNotes= testNoteCount):
NoteSet.__init__(self,
AudioFile("notes/"+noteNames[note]+".wav", framesize),
reference,
numNotes);
self.note = note;
def memberNotes(self, frame):
return [self.note];
def nonMemberNotes(self, frame):
return range(self.note) + range(self.note+1, self.numNotes);
def readNotes(notes, framesize):
"""Reads the specified note indices, providing progress feedback"""
stdout.write("Reading notes...\n");
ret = [];
for i in range(len(notes)):
ret += [SingleNote(notes[i], framesize)];
stdout.write("\r{0}/{1}".format(i+1,len(notes)));
stdout.flush();
stdout.write("\nDone\n");
return ret;
class Octave(NoteSet):
def __init__(self, root, framesize, reference=c3freq, numNotes= testNoteCount):
NoteSet.__init__(self,
AudioFile("octaves/"+noteNames[root]+".wav", framesize),
reference,
numNotes);
self.root = root;
def memberNotes(self, frame):
return[self.root, self.root+12];
def nonMemberNotes(self, frame):
return range(self.root+12) + range(self.root+13,self.numNotes);
def readOctaves(roots, framesize):
"""Reads the specified note indices, providing progress feedback"""
stdout.write("Reading octaves...\n");
ret = [];
for i in range(len(roots)):
ret += [Octave(roots[i], framesize)];
stdout.write("\r{0}/{1}".format(i+1,len(roots)));
stdout.flush();
stdout.write("\nDone\n");
return ret;
class Major(NoteSet):
def __init__(self, root, framesize, reference=c3freq, numNotes= testNoteCount):
NoteSet.__init__(self,
AudioFile("majors/"+noteNames[root]+".wav", framesize),
reference,
numNotes);
self.root = root;
def memberNotes(self, frame):
return [self.root, self.root+4, self.root+7];
def nonMemberNotes(self, frame):
return range(self.root) + \
range(self.root+1, self.root+4) + \
range(self.root+5, self.root+7) + \
range(self.root+8, self.numNotes);
def readMajors(roots, framesize):
"""Reads the specified note indices, providing progress feedback"""
stdout.write("Reading majors...\n");
ret = [];
for i in range(len(roots)):
ret += [Major(roots[i], framesize)];
stdout.write("\r{0}/{1}".format(i+1,len(roots)));
stdout.flush();
stdout.write("\nDone\n");
return ret;
class OctMajor(NoteSet):
def __init__(self, root, framesize, reference=c3freq, numNotes=testNoteCount):
NoteSet.__init__(self,
AudioFile("oct-majors/"+noteNames[root]+".wav", framesize),
reference,
numNotes);
self.root = root;
def memberNotes(self, frame):
return [self.root, self.root+12, self.root+16, self.root+19];
def nonMemberNotes(self, frame):
return range(self.root) + \
range(self.root+1, self.root+12) + \
range(self.root+13, self.root+16) + \
range(self.root+17, self.root+19) + \
range(self.root+20, self.numNotes);
def readOctMajors(roots, framesize):
"""Reads the specified note indices, providing progress feedback"""
stdout.write("Reading octave-majors...\n");
ret = [];
for i in range(len(roots)):
ret += [OctMajor(roots[i], framesize)];
stdout.write("\r{0}/{1}".format(i+1,len(roots)));
stdout.flush();
stdout.write("\nDone\n");
return ret;
class MajorMajor(NoteSet):
def __init__(self, root, framesize, reference=c3freq, numNotes=testNoteCount):
NoteSet.__init__(self,
AudioFile("major-majors/"+noteNames[root]+".wav", framesize),
reference,
numNotes);
self.root = root;
def memberNotes(self, frame):
return [self.root, self.root+4, self.root+7,
self.root+12, self.root+16, self.root+19];
def nonMemberNotes(self, frame):
return range(self.root) + \
range(self.root+1, self.root+4) + \
range(self.root+5, self.root+7) + \
range(self.root+8, self.root+12) + \
range(self.root+13, self.root+16) + \
range(self.root+17, self.root+19) + \
range(self.root+20, self.numNotes);
def readMajorMajors(roots, framesize):
"""Reads the specified note indices, providing progress feedback"""
stdout.write("Reading major-majors...\n");
ret = [];
for i in range(len(roots)):
ret += [MajorMajor(roots[i], framesize)];
stdout.write("\r{0}/{1}".format(i+1,len(roots)));
stdout.flush();
stdout.write("\nDone\n");
return ret;