Conference paper

SILNOVA Anna, MATĚJKA Pavel, GLEMBEK Ondřej, PLCHOT Oldřich, NOVOTNÝ Ondřej, GRÉZL František, SCHWARZ Petr and ČERNOCKÝ Jan. BUT/Phonexia Bottleneck Feature Extractor. In: Proceedings of Odyssey 2018. Les Sables d´Olonne: International Speech Communication Association, 2018, pp. 283-287. ISSN 2312-2846.
Publication language:english
Original title:BUT/Phonexia Bottleneck Feature Extractor
Title (cs):BUT/Phonexia extraktor parametrů z úzkého hrdla neuronové sítě (Bottleneck)
Proceedings:Proceedings of Odyssey 2018
Conference:Odyssey 2018
Place:Les Sables d´Olonne, FR
Journal:Proceedings of Odyssey: The Speaker and Language Recognition Workshop, Vol. 2018, No. 6, 4 Rue des Fauvettes - Lous Tourils, F-66390 BAIXAS, FR
Publisher:International Speech Communication Association
bottlneck feature extractor, speech recognition, language recognition
This paper complements the public release of the BUT/Phonexia bottleneck (BN) feature extractor. Starting with a brief history of Neural Network (NN)-based and BN-based approaches to speech feature extraction, it describes the structure of the released software. It follows by describing the three provided NNs: the first two trained on the US English Fisher corpus with monophone-state and tied-state targets, and the third network trained in a multi-lingual fashion on 17 Babel languages. The NNs were technically trained to classify acoustic units, however the networks were optimized with respect to the language recognition task, which is the main focus of this paper. Nevertheless, it is worth noting that apart from language recognition, the provided software can be used with any speech-related task. The paper concludes with a comprehensive summary of the results obtained on the NIST 2015 and 2017 Language Recognition Evaluations tasks.
   author = {Anna Silnova and Pavel Mat{\v{e}}jka and Ond{\v{r}}ej
	Glembek and Old{\v{r}}ich Plchot and Ond{\v{r}}ej
	Novotn{\'{y}} and Franti{\v{s}}ek Gr{\'{e}}zl and Petr
	Schwarz and Jan {\v{C}}ernock{\'{y}}},
   title = {BUT/Phonexia Bottleneck Feature Extractor},
   pages = {283--287},
   booktitle = {Proceedings of Odyssey 2018},
   journal = {Proceedings of Odyssey: The Speaker and Language Recognition
   volume = {2018},
   number = {6},
   year = {2018},
   location = {Les Sables dOlonne, FR},
   publisher = {International Speech Communication Association},
   ISSN = {2312-2846},
   doi = {10.21437/Odyssey.2018-40},
   language = {english},
   url = {}

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