The speech corpus VERIF1DE contains 20 recordings (sessions) of 150 German speakers each over the telephone network. Sessions are distributed over a period of time (speakers were not allowed to record more than one session a day, but this was not controlled). Each session contains 40 single recordings, mainly speech read from a prompt sheet. The acoustic environment is classified into quiet (14) and noisy (6); the telephone channel is either fixed network (10) or GSM (10). Recorded content is mainly SpeechDat conform extended by some extra items. The corpus has been pre-validated by BAS, then repaired (extra recordings to replace missing items), and then a final validation was performed by SPEX. After the final validation (version 1) the corpus was again repaired to some extent (version 1.3). Content of version 1.3, dated 24/10/2001: • Number of speakers: 150 • Number of sessions: 3,000 • Number of recordings: 120,000 • File formats: - SpeechDat European telephone format ALAW 8kHz, 8 bit, raw - SpeechDat annotation files (SAM) - Metadata: speaker and recording protocols (SpeechDat) - Lexicon: ISO-8859 ASCII / SAM-PA (manually corrected) • SpeechDat orthographic transcription • Distribution medium: DVD-R

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Distributor(s)

ELRA

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