Voice Privacy 2020 Contribution - ASR-Bottleneck features

Posted at — Apr 8, 2020

Anonymization using x-vectors and neural waveform models

Baseline anonymization system

Samples

LibriSpeech Female utterance:

Utterance 1462-170142-0000 The last two days of the voyage Bartley found almost intolerable
Natural
Corresponding spectrogram
Baseline-1
Speech synthesis AM generated spectrogram
ASR-Bn
Speech synthesis AM generated spectrogram
ASR-Adv-Bn
Speech synthesis AM generated spectrogram

LibriSpeech Male utterance:

Utterance 1272-135031-0000 Because you were sleeping instead of conquering, the lovely Rose Princess has become a fiddle without a bow, while poor Shaggy sits there a cooing dove
Natural
Corresponding spectrogram
Baseline-1
Speech synthesis AM generated spectrogram
ASR-Bn
Speech synthesis AM generated spectrogram
ASR-Adv-Bn
Speech synthesis AM generated spectrogram

VCTK Female utterance:

Utterance p234_293_mic2 It is not an option but a policy requirement
Natural
Corresponding spectrogram
Baseline-1
Speech synthesis AM generated spectrogram
ASR-Bn
Speech synthesis AM generated spectrogram
ASR-Adv-Bn
Speech synthesis AM generated spectrogram

VCTK Male utterance:

Utterance p247_413_mic2 However there is an issue isn't there
Natural
Corresponding spectrogram
Baseline-1
Speech synthesis AM generated spectrogram
ASR-Bn
Speech synthesis AM generated spectrogram
ASR-Adv-Bn
Speech synthesis AM generated spectrogram

Results for ASV

ASV

Results for ASR

Baseline-1

ASR

ASR-Adv

ASR

ASR-Adv-bn

ASR