These are the most frequently used words in this book.
able
appear
approach
area
attempt
better
between
carried
case
chapter
conditions
correct
course
data
dialect
different
disguise
even
example
experiments
figure
first
foil
forensic
found
frequency
good
group
heard
however
identification
identify
important
indeed
individuals
known
least
level
listeners
little
may
means
might
must
note
now
number
often
others
parameters
people
permit
person
phoneticians
possible
problem
procedures
process
provide
quite
rather
recording
relationships
relevant
research
results
samples
scores
second
see
set
several
should
simply
speaker
speech
spid
studies
subjects
suspect
system
talkers
tape
task
telephone
three
thus
time
trials
two
type
unknown
use
used
utterances
vector
voice
voiceprint
witness
years