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An Evaluation Framework for Text-to-Speech Voice Reconstruction
Ariadna Sanchez, Christoph Minixhofer, Korin Richmond +3
Voice reconstruction using Text-to-Speech (TTS) offers a communication method for people with speech disorders, which aims to retain their speaker identity while improving intellig…
The Voice Behind the Words: Quantifying Intersectional Bias in SpeechLLMs
Shree Harsha Bokkahalli Satish, Christoph Minixhofer, Maria Teleki +5
Speech Large Language Models (SpeechLLMs) process spoken input directly, retaining cues such as accent and perceived gender that were previously removed in cascaded pipelines. This…
Beyond Oversmoothing: Evaluating DDPM and MSE for Scalable Speech Synthesis in ASR
Christoph Minixhofer, Ondrej Klejch, Peter Bell
Synthetically generated speech has rapidly approached human levels of naturalness. However, the paradox remains that ASR systems, when trained on TTS output that is judged as natur…
TTSDS -- Text-to-Speech Distribution Score
Christoph Minixhofer, Ondřej Klejch, Peter Bell
Many recently published Text-to-Speech (TTS) systems produce audio close to real speech. However, TTS evaluation needs to be revisited to make sense of the results obtained with th…
Evaluating and reducing the distance between synthetic and real speech distributions
Christoph Minixhofer, Ondřej Klejch, Peter Bell
While modern Text-to-Speech (TTS) systems can produce natural-sounding speech, they remain unable to reproduce the full diversity found in natural speech data. We consider the dist…