def run(self):
        # Thanks to the question and answers:
        # http://stackoverflow.com/questions/4417546/constantly-print-subprocess-output-while-process-is-running
        def execute(cmd):
            process = subprocess.Popen(cmd, stdout=subprocess.PIPE, universal_newlines=True)
            bar()
            stdout_lines = iter(process.stdout.readline, "")
            for stdout_line in stdout_lines:
                yield stdout_line

            process.stdout.close()
            return_code = process.wait()
            if return_code != 0:
                raise subprocess.CalledProcessError(return_code, cmd)

        pattern = re.compile('^(?!INFO)(.+)')  # lines starting with 9 digits

        cmd = ['pocketsphinx_continuous', '-inmic', 'yes', '-lm',
               '/usr/share/pocketsphinx/model/en-us/en-us.lm.bin', '-mdef',
               '/usr/share/pocketsphinx/model/en-us/en-us/mdef', '-dict',
               '/usr/share/pocketsphinx/model/en-us/cmudict-en-us.dict']

        for stdout_line in execute(cmd):
            # Print out the line to give the same experience as
            # running pocketsphinx_continuous.
            # print(out)  # newline included by the line itself
            if self._listening:
                print(stdout_line)
                stdout_line_match = pattern.match(stdout_line)
                if stdout_line_match:
                    phrase = stdout_line_match.group(1).strip()
                    if phrase:
                        self.phrase_queue.put(phrase)