--- pretty_name: 'STOMA: A Multi-Speaker Greek Speech Corpus' annotations_creators: - expert-generated language: - el license: cc-by-4.0 task_categories: - text-to-speech - automatic-speech-recognition - audio-classification tags: - speech_corpus - greek_language - text-to-speech - neural_TTS - speech_synthesis - under_resourced_languages - audio size_categories: - 10K Table 1: Text statistics for the full text collection (Greek Harvard, B2, C1, and C2), recorded in its entirety by the two primary speakers.
Statistic Gr. Harvard B2 C1 C2 Total
Total Sentences 720 1,087 1,571 1,296 4,674
Total Words 5,539 15,102 25,263 22,722 68,626
Total Characters 32,301 95,119 164,700 152,904 445,024
Distinct Words 3,343 5,606 8,965 8,275 20,253
Mean Words per Sentence 7.69 13.89 16.08 17.53 14.68
Min Words per Sentence 5 1 1 1 1
Max Words per Sentence 9 32 41 39 41
Table 2: Text statistics for the reduced text subset selected from the full collection, used for recordings by the secondary speakers.
Statistic Gr. Harvard B2 C1 C2 Subset Total
Total Sentences 720 190 194 197 1,301
Total Words 5,539 2,913 3,057 3,265 14,774
Total Characters 32,301 18,286 20,190 22,110 92,887
Distinct Words 3,343 1,519 1,604 1,676 6,899
Mean Words per Sentence 7.69 15.33 15.76 16.57 11.36
Min Words per Sentence 5 4 3 4 3
Max Words per Sentence 9 28 28 30 30
Table 3: Speech statistics of the STOMA corpus per speaker and overall.
Speaker ID Clips Total Duration Mean Duration (s) Min–Max (s)
F 4,674 7:46:21 5.99 0.41–16.60
M 4,674 8:53:37 6.85 0.48–22.31
F1 1,301 1:46:58 4.93 1.65–15.08
F2 1,301 1:27:38 4.04 1.46–11.13
M1 1,301 1:47:06 4.94 1.64–14.99
M2 1,301 1:26:43 4.00 1.10–10.39
Total 14,552 23:08:26 5.72 0.41–22.31
Table 4: Speaker-specific acoustic characteristics of the STOMA corpus. SR: average speech rate (syllables/s, including pauses); AR: average articulation rate (syllables/s, excluding pauses); ASD: average syllable duration (s), computed across all utterances per speaker.
Speaker ID Mean F0 (Hz) Std F0 (Hz) SR AR ASD (s)
M 118.73 20.80 4.143 4.286 0.236
F 195.53 40.16 4.462 4.662 0.218
M1 128.30 23.34 4.165 4.403 0.230
F1 200.93 23.57 3.887 3.974 0.257
M2 109.33 15.49 4.407 4.527 0.225
F2 187.29 26.88 4.238 4.409 0.232
Table 5: Demographic information of the STOMA corpus speakers.
Speaker ID Age Sex Region Raised
M 29 Male Athens
F 37 Female Crete
M1 30 Male Alexandroupoli
F1 21 Female Larisa
M2 22 Male Larisa
F2 26 Female Athens
Table 6: Audio format specifications of the STOMA corpus recordings.
Property Value
File format WAV (RIFF)
Encoding Pulse-Code Modulation (PCM)
Compression None (uncompressed)
Channels 1 (mono)
Sampling rate 44.1 kHz
Bit depth 16-bit signed integer