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APASCI is an Italian speech database recorded in an insulated room with a Sennheiser MKH 416 T microphone. It includes 5,290 phonetically rich sentences and 10,800 isolated digits, for a total of 58,924 word occurrences (2,191 different words) and 641 minutes of speech.
The speech material was read by 100 Italian speakers (50 male and 50 female). Each of them uttered 1 calibration sentence, 4 sentences with a wide phonetic coverage, 15 or 20 sentences with a wide diphonic coverage. Six of these speakers (3 male and 3 female) read 26 occurrences of the calibration sentence, 104 sentences with a wide phonetic coverage, 390 sentences with a wide diphonic coverage. 54 of the speakers (42 male and 12 female) pronounced 20 repetitions of the 10 isolated digits.
The documentation of the database includes the transcription of each sentence both at phonemic and at orthographic levels.
This database allows to design, train and evaluate continuous speech recognition systems (speaker independent, speaker adaptive, speaker dependent, multispeakers). It was also designed for research on acoustic modelling as well as on acoustic parameters for speech recognition and for research on speaker recognition.
Format: 16 bit linear
Standard: NIST SPHERE
Sampling rate: 16 kHz
The APASCI database is sold by ELRA, see link in the right column.