Meanings of unmodulated voice in English

He said in the same unmodulated voice, 'Mr Barnard, Mr Beard.' It was usually 'Professor'.

A flat, unmodulated voice; an utterly featureless voice you couldn't pin down if you tried.

His appearance enforced these impressions-hishandsome face, his radiant, unaverted eyes, his childish, unmodulated voice.

Macaulay sat down by his mother, and began telling the incidents of the day's hunting in his smooth, unmodulated voice.

He looked at her very keenly, and, still looking, and still tearing up the letter, went on in a hard, unmodulated voice.

She told Robin everything in a dull, unmodulated voice, with a dead-tiredness in it which revealed her unhappiness more eloquently than words could have done.

'I know nothing about it,' Reardon replied, in the same unmodulated voice.

"I'm going out," cried the former in the loud and unmodulated voice of the deaf.

"Generally," he said in his metallic, unmodulated voice.

"Your brother?" asked Newman, in his unmodulated voice.

"Two days," said Rescue in a strange, unmodulated voice, quite different from the one he used for oratory.