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# Orca
#
# Copyright 2005 Google Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
"""Dectalk voice definitions using ACSS.
This module encapsulates Dectalk-specific voice definitions. It
maps device-independent ACSS voice definitions into appropriate
Dectalk voice parameter settings.
"""
__id__ = "$Id: dectalk.py,v 1.7 2006/08/04 15:37:25 wwalker Exp $"
__author__ = "$Author: wwalker $"
__version__ = "$Revision: 1.7 $"
__date__ = "$Date: 2006/08/04 15:37:25 $"
__copyright__ = "Copyright (c) 2005 Google Inc."
__license__ = "LGPL"
_defined_voices = {}
# Map from ACSS dimensions to Dectalk settings:
_table ={}
#family codes:
_table['family'] = {
'male' : ' :np ',
'paul' : ':np',
'man' : ':nh',
'harry' : ' :nh ',
'dennis' : ':nd',
'frank' : ':nf',
'betty' : ':nb',
'female' : ' :nb ',
'ursula' : ':nu',
'wendy' : ':nw',
'rita' : ':nr',
'kid' : ':nk',
'child' : ' :nk '
}
# average-pitch :
# Average pitch for standard male voice is 122hz --this is mapped to
# a setting of 5.
# Average pitch varies inversely with speaker head size --a child
# has a small head and a higher pitched voice.
# We change parameter head-size in conjunction with average pitch to
# produce a more natural change on the Dectalk.
#male average pitch
def _update_map(table, key, format, settings):
"""Internal function to update acss->synth mapping."""
table[key] ={}
for setting in settings:
_table[key][setting[0]] = format % setting[1:]
_male_ap = [
(0, 96, 115),
(1, 101, 112),
(2, 108, 109),
(3, 112, 106),
(4, 118, 103),
(5, 122, 100),
(6, 128, 98),
(7, 134, 96),
(8, 140, 94),
(9, 147, 91)
]
_update_map(_table, ('male', 'average-pitch'),
" ap %s hs %s ", _male_ap)
_update_map(_table, ('paul', 'average-pitch'),
" ap %s hs %s ", _male_ap)
#Man has a big head --and a lower pitch for the middle setting
_man_ap = [
(0, 50, 125),
(1, 59, 123),
(2, 68, 121),
(3, 77, 120),
(4, 83, 118),
(5, 89, 115),
(6, 95, 112),
(7, 110, 105),
(8, 125, 100),
(9, 140, 95)
]
_update_map(_table,('man', 'average-pitch'),
" ap %s hs %s ",_man_ap)
_update_map(_table,('harry', 'average-pitch'),
" ap %s hs %s ",_man_ap)
_female_ap = [
(0, 160, 115),
(1, 170, 112),
(2, 181, 109),
(3, 192, 106),
(4, 200, 103),
(5, 208, 100),
(6, 219, 98),
(7, 225, 96),
(8, 240, 94),
(9, 260, 91)
]
_update_map(_table, ('female', 'average-pitch'),
" ap %s hs %s ",_female_ap)
_update_map(_table, ('betty', 'average-pitch'),
" ap %s hs %s ",_female_ap)
# The default DECtalk values for the pitch of the other voices seem
# to be as follows:
# Frank = 155, Dennis = 110, Ursula = 240, Rita = 106, Wendy = 200
# Kit = Child = 306
# Therefore, follow TV Raman's lead:
_frank_ap = [
(0, 129, 115),
(1, 134, 112),
(2, 141, 109),
(3, 145, 106),
(4, 151, 103),
(5, 155, 100),
(6, 159, 98),
(7, 165, 96),
(8, 171, 94),
(9, 178, 91)
]
_update_map(_table, ('frank', 'average-pitch'),
" ap %s hs %s ", _frank_ap)
_dennis_ap = [
(0, 84, 115),
(1, 89, 112),
(2, 96, 109),
(3, 100, 106),
(4, 106, 103),
(5, 110, 100),
(6, 116, 98),
(7, 122, 96),
(8, 128, 94),
(9, 135, 91)
]
_update_map(_table, ('dennis', 'average-pitch'),
" ap %s hs %s ", _dennis_ap)
_ursula_ap = [
(0, 196, 115),
(1, 206, 112),
(2, 215, 109),
(3, 224, 106),
(4, 232, 103),
(5, 240, 100),
(6, 251, 98),
(7, 265, 96),
(8, 280, 94),
(9, 300, 91)
]
_update_map(_table, ('ursula', 'average-pitch'),
" ap %s hs %s ", _ursula_ap)
_rita_ap = [
(0, 62, 115),
(1, 72, 112),
(2, 81, 109),
(3, 90, 106),
(4, 98, 103),
(5, 106, 100),
(6, 117, 98),
(7, 131, 96),
(8, 146, 94),
(9, 166, 91)
]
_update_map(_table, ('rita', 'average-pitch'),
" ap %s hs %s ", _rita_ap)
# For some reason, Wendy at a high pitch causes the
# synthesizer to click and eventually make a feedback sound!
# It doesn't seem to be the result of the pitch.
# Keeping head size constant for higher pitch seems to eliminate
# the problem.
_wendy_ap = [
(0, 156, 115),
(1, 166, 112),
(2, 175, 109),
(3, 184, 106),
(4, 192, 103),
(5, 200, 100),
(6, 211, 100),
(7, 225, 100),
(8, 240, 100),
(9, 260, 100)
]
_update_map(_table, ('wendy', 'average-pitch'),
" ap %s hs %s ", _wendy_ap)
# Kit/Child can't have the traditional adult head size
# Setting the largest head size is the smallest adult
# female head size.
_child_ap = [
(0, 256, 91),
(1, 266, 89),
(2, 276, 87),
(3, 286, 85),
(4, 296, 83),
(5, 306, 81),
(6, 316, 79),
(7, 326, 77),
(8, 336, 75),
(9, 346, 73)
]
_update_map(_table, ('child', 'average-pitch'),
" ap %s hs %s ", _child_ap)
_update_map(_table, ('kit', 'average-pitch'),
" ap %s hs %s ", _child_ap)
# pitch-range for male:
# Standard pitch range is 100 and is mapped to
# a setting of 5.
# A value of 0 produces a flat monotone voice --maximum value of 250
# produces a highly animated voice.
# Additionally, we also set the assertiveness of the voice so the
# voice is less assertive at lower pitch ranges.
_male_pr = [
(0, 0, 0),
(1, 20, 10),
(2, 40, 20),
(3, 60, 30),
(4, 80, 40, ),
(5, 100, 50, ),
(6, 137, 60),
(7, 174, 70),
(8, 211, 80),
(9, 250, 100),
]
_update_map(_table, ('male', 'pitch-range'),
" pr %s as %s ", _male_pr)
_update_map(_table, ('paul', 'pitch-range'),
" pr %s as %s ", _male_pr)
# For now, assume that standard pitch range is reasonably
# consistent for all male voices with the execption of harry
_update_map(_table, ('frank', 'pitch-range'),
" pr %s as %s ", _male_pr)
_update_map(_table, ('dennis', 'pitch-range'),
" pr %s as %s ", _male_pr)
_man_pr = [
(0, 0, 0),
(1, 16, 20),
(2, 32, 40),
(3, 48, 60),
(4, 64, 80, ),
(5, 80, 100, ),
(6, 137, 100),
(7, 174, 100),
(8, 211, 100),
(9, 250, 100)
]
_update_map(_table, ('man', 'pitch-range'),
" pr %s as %s ", _man_pr)
_update_map(_table, ('harry', 'pitch-range'),
" pr %s as %s ", _man_pr)
_female_pr = [
(0, 0, 0),
(1, 50, 10),
(2, 80, 20),
(3, 100, 25),
(4, 110, 30, ),
(5, 140, 35),
(6, 165, 57),
(7, 190, 75),
(8, 220, 87),
(9, 250, 100)
]
_update_map(_table, ('female', 'pitch-range'),
" pr %s as %s ", _female_pr)
_update_map(_table, ('betty', 'pitch-range'),
" pr %s as %s ", _female_pr)
# For now, assume that standard pitch range is reasonably
# consistent for all female voices, including kit
_update_map(_table, ('ursula', 'pitch-range'),
" pr %s as %s ", _female_pr)
_update_map(_table, ('rita', 'pitch-range'),
" pr %s as %s ", _female_pr)
_update_map(_table, ('wendy', 'pitch-range'),
" pr %s as %s ", _female_pr)
_update_map(_table, ('kit', 'pitch-range'),
" pr %s as %s ", _female_pr)
_update_map(_table, ('child', 'pitch-range'),
" pr %s as %s ", _female_pr)
# Stress:
# On the Dectalk we vary four parameters
# The hat rise which controls the overall shape of the F0 contour
# for sentence level intonation and stress,
# The stress rise that controls the level of stress on stressed
# syllables,
# the baseline fall for paragraph level intonation
# and the quickness --a parameter that controls whether the final
# frequency targets are completely achieved in the phonetic transitions.
_male_stress =[
(0, 0, 0, 0, 0),
(1, 3, 6, 20, 3),
(2, 6, 12, 40, 6),
(3, 9, 18, 60, 9, ),
(4, 12, 24, 80, 14),
(5, 18, 32, 100, 18),
(6, 34, 50, 100, 20),
(7, 48, 65, 100, 35),
(8, 63, 82, 100, 60),
(9, 80, 90, 100, 40)
]
_update_map(_table, ('male', 'stress'),
" hr %s sr %s qu %s bf %s ", _male_stress)
_update_map(_table, ('paul', 'stress'),
" hr %s sr %s qu %s bf %s ", _male_stress)
# For now, grabbing these values for all males but Harry
_update_map(_table, ('frank', 'stress'),
" hr %s sr %s qu %s bf %s ", _male_stress)
_update_map(_table, ('dennis', 'stress'),
" hr %s sr %s qu %s bf %s ", _male_stress)
_man_stress = [
(0, 0, 0, 0, 0),
(1, 4, 6, 2, 2),
(2, 8, 12, 4, 4),
(3, 12, 18, 6, 6),
(4, 16, 24, 8, 8),
(5, 20, 30, 10, 9),
(6, 40, 48, 32, 16),
(7, 60, 66, 54, 22),
(8, 80, 78, 77, 34),
(9, 100, 100, 100, 40)
]
_update_map(_table, ('man', 'stress'),
" hr %s sr %s qu %s bf %s ", _man_stress)
_update_map(_table, ('harry', 'stress'),
" hr %s sr %s qu %s bf %s ", _man_stress)
_female_stress = [
(0, 1, 1, 0, 0),
(1, 3, 4, 11, 0),
(2, 5, 8, 22, 0),
(3, 8, 12, 33, 0),
(4, 11, 16, 44, 0),
(5, 14, 20, 55, 0),
(6, 35, 40, 65, 10),
(7, 56, 80, 75, 20),
(8, 77, 90, 85, 30),
(9, 100, 100, 100, 40)
]
_update_map(_table, ('female', 'stress'),
" hr %s sr %s qu %s bf %s ", _female_stress)
_update_map(_table, ('betty', 'stress'),
" hr %s sr %s qu %s bf %s ", _female_stress)
# For now, grabbing these values for all females including kit
_update_map(_table, ('ursula', 'stress'),
" hr %s sr %s qu %s bf %s ", _female_stress)
_update_map(_table, ('rita', 'stress'),
" hr %s sr %s qu %s bf %s ", _female_stress)
_update_map(_table, ('wendy', 'stress'),
" hr %s sr %s qu %s bf %s ", _female_stress)
_update_map(_table, ('kit', 'stress'),
" hr %s sr %s qu %s bf %s ", _female_stress)
_update_map(_table, ('child', 'stress'),
" hr %s sr %s qu %s bf %s ", _female_stress)
#richness
# Smoothness and richness vary inversely.
# a maximally smooth voice produces a quieter effect
# a rich voice is "bright" in contrast.
_male_richness = [
(0, 0, 100),
(1, 14, 80),
(2, 28, 60),
(3, 42, 40),
(4, 56, 30),
(5, 70, 28),
(6, 60, 24 ),
(7, 70, 16),
(8, 80, 8),
(9, 100, 0)
]
_update_map(_table, ('male', 'richness'),
" ri %s sm %s " ,_male_richness)
_update_map(_table, ('paul', 'richness'),
" ri %s sm %s " ,_male_richness)
# For now, grabbing these values for all males but Harry
_update_map(_table, ('frank', 'richness'),
" ri %s sm %s " ,_male_richness)
_update_map(_table, ('dennis', 'richness'),
" ri %s sm %s " ,_male_richness)
_man_richness = [
(0, 100, 0),
(1, 96, 3),
(2, 93, 6),
(3, 90, 9),
(4, 88, 11),
(5, 86, 12),
(6, 60, 24, ),
(7, 40, 44),
(8, 20, 65),
(9, 0, 70)
]
_update_map(_table, ('man', 'richness'),
" ri %s sm %s " , _man_richness)
_update_map(_table, ('harry', 'richness'),
" ri %s sm %s " , _man_richness)
_female_richness = [
(0, 0, 100),
(1, 8, 76),
(2, 16, 52),
(3, 24,28),
(4, 32, 10),
(5, 40, 4),
(6, 50, 3),
(7, 65, 3),
(8, 80, 2),
(9, 100, 0)
]
_update_map(_table, ('female', 'richness'),
" ri %s sm %s ", _female_richness)
_update_map(_table, ('betty', 'richness'),
" ri %s sm %s ", _female_richness)
# For now, grabbing these values for all females including kit
_update_map(_table, ('ursula', 'richness'),
" ri %s sm %s ", _female_richness)
_update_map(_table, ('rita', 'richness'),
" ri %s sm %s ", _female_richness)
_update_map(_table, ('wendy', 'richness'),
" ri %s sm %s ", _female_richness)
_update_map(_table, ('kit', 'richness'),
" ri %s sm %s ", _female_richness)
_update_map(_table, ('child', 'richness'),
" ri %s sm %s ", _female_richness)
def getrate(r): return int(180 + 4*r)
def getvolume(v): return int(10*v)
def getvoicelist(): return _table['family'].keys()
def getvoice(acss):
"""Memoized function that returns synthesizer code for
specified ACSS setting.
Synthesizer code is a tupple of the form (open,close)
where open sets the voice, and close resets it."""
name=acss.name()
if name in _defined_voices: return _defined_voices[name]
_defined_voices[name] =acss2voice(acss)
return _defined_voices[name]
def acss2voice(acss):
"""Return synthesizer code."""
code = ""
familyName ='male'
if 'family' in acss:
familyName = acss['family']['name']
if familyName in _table['family']:
code += _table['family'][familyName]
if 'rate' in acss: code += " :ra %s" % getrate(acss['rate'])
if 'punctuations' in acss: code += " :punc %s" %acss['punctuations']
if 'gain' in acss: code += " :volume set %s" % getvolume(acss['gain'])
voice = ""
dv = ""
for d in ['average-pitch', 'pitch-range',
'richness', 'stress']:
if d in acss:
if _table.has_key((familyName, d)):
voice += _table[(familyName, d)][int(acss[d])]
if voice: dv = " :dv %s" % voice
if code or voice: code = "[%s %s]" % (code, dv)
return (code, " [:np] ")
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