Petr Motlicek

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Publications associées (49)

A Large-Scale Open-Source Acoustic Simulator for Speaker Recognition

Hervé Bourlard, Petr Motlicek, Subhadeep Dey

IEEE Institute of Electrical and Electronics Engineers2016

Incremental Syllable-Context Phonetic Vocoding

Petr Motlicek, Philip Neil Garner, Milos Cernak

Current very low bit rate speech coders are, due to complexity limitations, designed to work off-line. This paper investigates incremental speech coding that operates real-time and incrementally (i.e., encoded speech depends only on already-uttered speech ...

2015

Exploiting foreign resources for DNN-based ASR

David Imseng, Petr Motlicek, Philip Neil Garner

Manual transcription of audio databases for the development of automatic speech recognition (ASR) systems is a costly and time-consuming process. In the context of deriving acoustic models adapted to a specific application, or in low-resource scenarios, it ...

2015

Real-Time Audio-Visual Analysis for Multiperson Videoconferencing

Hervé Bourlard, Jean-Marc Odobez, Petr Motlicek, Danil Korchagin

We describe the design of a system consisting of several state-of-the-art real-time audio and video processing components enabling multimodal stream manipulation (e.g., automatic online editing for multiparty videoconferencing applications) in open, uncons ...

2013

A Simple Continuous Pitch Estimation Algorithm

Petr Motlicek, Philip Neil Garner, Milos Cernak

Recent work in text to speech synthesis has pointed to the benefit of using a continuous pitch estimate; that is, one that records pitch even when voicing is not present. Such an approach typically requires interpolation. The purpose of this paper is to sh ...

IEEE Institute of Electrical and Electronics Engineers2013

The TA2 Database – A Multi-Modal Database From Home Entertainment

Petr Motlicek, Danil Korchagin

This paper presents a new database containing high-definition audio and video recordings in a rather unconstrained video-conferencing-like environment. The database consists of recordings of people sitting around a table in two separate rooms communicating ...

2012

Current trends in multilingual speech processing

Hervé Bourlard, Mathew Magimai Doss, David Imseng, Petr Motlicek, Hui Liang, Lakshmi Babu Saheer, John David Scott Dines, Fabio Valente, Philip Neil Garner

In this paper, we describe recent work at Idiap Research Institute in the domain of multilingual speech processing and provide some insights into emerging challenges for the research community. Multilingual speech processing has been a topic of ongoing int ...

2011

Wide-Band Audio Coding based on Frequency Domain Linear Prediction

Hynek Hermansky, Sriram Ganapathy, Petr Motlicek

We revisit an original concept of speech coding in which the signal is separated into the carrier modulated by the signal envelope. A recently developed technique, called frequency-domain linear prediction (FDLP), is applied for the efficient estimation of ...

2010

Autoregressive Models of Amplitude Modulations in Audio Compression

Hynek Hermansky, Sriram Ganapathy, Petr Motlicek

We present a scalable medium bit-rate wide-band audio coding technique based on frequency domain linear prediction (FDLP). FDLP is an efficient method for representing the long-term amplitude modulations of speech/audio signals using autoregressive models. ...

2010

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