ELRA - ELRA-SD151 : Spoltech Brazilian Portuguese Corpus

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Catalog Reference : ELRA-SD151

Spoltech Brazilian Portuguese Corpus

The Spoltech Brazilian Portuguese corpus contains microphone speech from a variety of regions in Brazil with phonetic and orthographic transcriptions. The utterances consist of both read speech (for phonetic coverage) and responses to questions (for spontaneous speech). The corpus contains 480 speakers and 8119 separate utterances. A total of 2579 utterances have been transcribed at the word level (without time alignments), and 5505 utterances have been transcribed at the phoneme level (with time alignments).
The data have been recorded at 44.1 kHz (mono, 16 bit) and stored in RIFF format. The recording was conducted with a direct connection from the microphone to the sound card. The sound card was SoundBlaster-compatible. For the prompted sentences, the sentence was hidden from view when recording began, so that the speaker might utter the sentence more naturally. Verification of the recording quality was performed immediately after each utterance recording; the data-collection software allowed the speaker to re-record utterances in case the recording was not of sufficient quality. The acoustic environment was not controlled, in order to allow for background conditions that would occur in application environments.

Contents

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speech corpus
Language(s) : Portuguese (Brazil)
Source Channel : microphone