Dataset Viewer
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audio
audioduration (s)
0.95
78.2
recording_id
stringlengths
10
25
speaker_id
stringclasses
5 values
language
stringclasses
4 values
target_variety
stringclasses
2 values
set
stringclasses
3 values
content_id
stringlengths
7
34
content_type
stringclasses
7 values
story_id
stringclasses
4 values
difficulty_rank
int64
1
86
prompt_text
stringclasses
20 values
transcription
stringlengths
2
355
duration_seconds
float64
0.95
78.2
sample_rate_hz
int64
16k
16k
channels
int64
1
1
device
stringclasses
3 values
noise_condition
stringclasses
1 value
date_recorded
stringclasses
1 value
consent_confirmed
stringclasses
1 value
consent_date
stringdate
2026-08-15 00:00:00
2026-08-15 00:00:00
source_file
stringlengths
11
82
split_method
stringclasses
6 values
version
stringclasses
1 value
notes
stringclasses
5 values
v0-sw-0001
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-001
syllable
null
1
null
ma
1.921
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0002
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-002
syllable
null
2
null
me
1.518
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0003
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-003
syllable
null
3
null
mi
1.429
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0004
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-004
syllable
null
4
null
mo
1.416
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0005
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-005
syllable
null
5
null
mu
1.423
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0006
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-006
syllable
null
6
null
na
1.321
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0007
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-007
syllable
null
7
null
ne
1.629
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0008
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-008
syllable
null
8
null
ni
1.462
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0009
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-009
syllable
null
9
null
no
1.471
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0010
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-010
syllable
null
10
null
nu
1.687
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0011
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-011
syllable
null
11
null
ka
1.186
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0012
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-012
syllable
null
12
null
ke
1.599
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0013
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-013
syllable
null
13
null
ki
1.639
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0014
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-014
syllable
null
14
null
ko
1.493
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0015
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-015
syllable
null
15
null
ku
1.526
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0016
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-016
syllable
null
16
null
wa
1.615
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0017
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-017
syllable
null
17
null
we
1.597
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0018
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-018
syllable
null
18
null
wi
1.53
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0019
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-019
syllable
null
19
null
wo
1.506
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0020
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-020
syllable
null
20
null
wu
1.477
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0021
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-021
syllable
null
21
null
la
1.601
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0022
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-022
syllable
null
22
null
le
1.63
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0023
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-023
syllable
null
23
null
li
1.577
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0024
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-024
syllable
null
24
null
lo
1.589
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0025
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-025
syllable
null
25
null
lu
1.532
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0026
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-026
syllable
null
26
null
sa
1.626
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0027
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-027
syllable
null
27
null
se
1.997
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0028
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-028
syllable
null
28
null
si
1.429
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0029
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-029
syllable
null
29
null
so
1.594
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0030
spk-sw-001
sw
Standard Kiswahili
setA
sw-ls-030
syllable
null
30
null
su
1.813
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_sylables.mp4
silence midpoint (-35 dB, 0.6 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0031
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-001
word
null
1
null
mama
1.866
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0032
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-002
word
null
2
null
baba
1.775
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0033
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-003
word
null
3
null
dada
1.795
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0034
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-004
word
null
4
null
kaka
1.601
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0035
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-005
word
null
5
null
maji
1.639
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0036
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-006
word
null
6
null
moto
1.633
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0037
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-007
word
null
7
null
meza
1.759
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0038
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-008
word
null
8
null
paka
1.663
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0039
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-009
word
null
9
null
soko
1.69
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0040
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-010
word
null
10
null
duka
1.642
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0041
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-011
word
null
11
null
embe
1.588
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0042
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-012
word
null
12
null
ndizi
1.582
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0043
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-013
word
null
13
null
nyumba
1.607
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0044
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-014
word
null
14
null
jiko
3.164
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0045
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-015
word
null
15
null
mlango
1.495
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0046
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-016
word
null
16
null
gari
1.553
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0047
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-017
word
null
17
null
nguo
1.632
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0048
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-018
word
null
18
null
kiatu
1.656
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0049
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-019
word
null
19
null
shule
1.816
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0050
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-020
word
null
20
null
mtoto
2.261
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0051
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-021
word
null
21
null
kitabu
2.044
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0052
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-022
word
null
22
null
sahani
1.886
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0053
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-023
word
null
23
null
kalamu
2.288
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0054
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-024
word
null
24
null
kikapu
1.879
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0055
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-025
word
null
25
null
ndugu
1.619
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0056
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-026
word
null
26
null
rafiki
1.776
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0057
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-027
word
null
27
null
chakula
2.675
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0058
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-028
word
null
28
null
samaki
2.347
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0059
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-029
word
null
29
null
kikombe
2.407
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0060
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-030
word
null
30
null
mvua
2.374
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0061
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-031
word
null
31
null
jua
2.034
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0062
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-032
word
null
32
null
mwezi
1.801
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0063
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-033
word
null
33
null
mchezo
1.776
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0064
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-034
word
null
34
null
mwalimu
1.792
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0065
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-035
word
null
35
null
simba
1.839
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0066
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-036
word
null
36
null
ndege
1.795
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0067
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-037
word
null
37
null
ng'ombe
1.659
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0068
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-038
word
null
38
null
mbuzi
2.053
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0069
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-039
word
null
39
null
kuku
3.833
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0070
spk-sw-001
sw
Standard Kiswahili
setA
sw-w-040
word
null
40
null
asante
2.078
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_words.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0071
spk-sw-001
sw
Standard Kiswahili
setA
sw-p-001
paragraph
null
1
null
Leo ni siku ya shule. Nina sare mpya safi. Viatu vyangu ni vipya. Nafurahi kwenda shuleni leo.
17.92
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
Aparagraphe1.mp4
whole source recording
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0072
spk-sw-001
sw
Standard Kiswahili
setA
sw-p-002
paragraph
null
2
null
Mama anapika kwa moto. Moto unatoa joto kali. Moto unatupa mwanga pia. Sote tunapenda moto jioni.
19.072
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
Aparagraphe2.mp4
whole source recording
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0073
spk-sw-001
sw
Standard Kiswahili
setA
sw-s-001
story
null
1
null
Jembe lake lilikuwa fupi mno. Mlango wake ulikuwa chini mno. Kitanda chake kilikuwa kifupi mno. Mtu huyu alikuwa mrefu zaidi! Alitengeneza mpini wa jembe mrefu sana. Alitengeneza fremu ndefu za milango. Alitengeneza kitanda kirefu sana. Aliacha nyumba yake na kuishi katika msitu mkubwa. Aliishi kwa miaka mingi, naye al...
72.533
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_Story1.mp4
whole source recording
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0074
spk-sw-001
sw
Standard Kiswahili
setA
sw-s-002
story
null
2
null
Tom anabeba tenga la ndizi zilizoiva. Tom anaenda sokoni kuuza ndizi. Lakini hakuna anayenunua ndizi za Tom. "Ni wanawake pekee ndio wanaouza matunda," watu wanasema. Lakini Tom hakati tamaa. Anaita, "Nunua ndizi zangu tamu!" Mwanamke mmoja ananunua ndizi zake. Watu wengine wanakuja na kununua ndizi za Tom. Mara, tenga...
78.208
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_Story2.mp4
whole source recording
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0075
spk-sw-001
sw
Standard Kiswahili
setA
sw-s-001-q1
comprehension_question
sw-s-001
1
null
Jembe la mtu huyu lilikuwa refu au fupi mwanzoni?
7.62
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_Comprihension_question.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0076
spk-sw-001
sw
Standard Kiswahili
setA
sw-s-001-q2
comprehension_question
sw-s-001
2
null
Kwa nini mtu huyu alitengeneza vitu vipya?
9.13
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_Comprihension_question.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0077
spk-sw-001
sw
Standard Kiswahili
setA
sw-s-002-q1
comprehension_question
sw-s-002
1
null
Tom alikuwa akiuza nini sokoni?
7.51
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_Comprihension_question.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0078
spk-sw-001
sw
Standard Kiswahili
setA
sw-s-002-q2
comprehension_question
sw-s-002
2
null
Kwa nini watu hawakutaka kununua ndizi za Tom mwanzoni?
8.954
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
A_Comprihension_question.mp4
silence midpoint (-35 dB, 1.0 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0079
spk-sw-001
sw-en
Standard Kiswahili
setB
setB-01
scripted_prompt_reading
null
1
Niambie kuhusu shule yako.
Niambie kuhusu shule yako.
10.373
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
B_questions.mp4
inter-answer silence midpoint (-35 dB, 2.0 s minimum)
v0
Contributor-confirmed scripted reading of prompt_text; this is not a spontaneous free-response answer. Audio and segmentation QA confirmed for development V0.
v0-sw-0080
spk-sw-001
sw-en
Standard Kiswahili
setB
setB-02
scripted_prompt_reading
null
2
Ulifanya nini jana baada ya shule?
Ulifanya nini jana baada ya shule?
8.333
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
B_questions.mp4
inter-answer silence midpoint (-35 dB, 2.0 s minimum)
v0
Contributor-confirmed scripted reading of prompt_text; this is not a spontaneous free-response answer. Audio and segmentation QA confirmed for development V0.
v0-sw-0081
spk-sw-001
sw-en
Standard Kiswahili
setB
setB-03
scripted_prompt_reading
null
3
Unafikaje sokoni ukitoka nyumbani kwenu?
Unafikaje sokoni ukitoka nyumbani kwenu?
7.459
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
B_questions.mp4
inter-answer silence midpoint (-35 dB, 2.0 s minimum)
v0
Contributor-confirmed scripted reading of prompt_text; this is not a spontaneous free-response answer. Audio and segmentation QA confirmed for development V0.
v0-sw-0082
spk-sw-001
sw-en
Standard Kiswahili
setB
setB-04
scripted_prompt_reading
null
4
Somo gani unalipenda zaidi, na kwa nini?
Somo gani unalipenda zaidi, na kwa nini?
7.741
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
B_questions.mp4
inter-answer silence midpoint (-35 dB, 2.0 s minimum)
v0
Contributor-confirmed scripted reading of prompt_text; this is not a spontaneous free-response answer. Audio and segmentation QA confirmed for development V0.
v0-sw-0083
spk-sw-001
sw-en
Standard Kiswahili
setB
setB-05
scripted_prompt_reading
null
5
Niambie wakati ulipomsaidia mtu.
Niambie wakati ulipomsaidia mtu.
9.589
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
B_questions.mp4
inter-answer silence midpoint (-35 dB, 2.0 s minimum)
v0
Contributor-confirmed scripted reading of prompt_text; this is not a spontaneous free-response answer. Audio and segmentation QA confirmed for development V0.
v0-sw-0084
spk-sw-001
sw-en
Standard Kiswahili
setB
setB-06
scripted_prompt_reading
null
6
Hesabu kwa sauti kuanzia moja hadi ishirini.
Hesabu kwa sauti kuanzia moja hadi ishirini.
13.357
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
B_questions.mp4
inter-answer silence midpoint (-35 dB, 2.0 s minimum)
v0
Contributor-confirmed scripted reading of prompt_text; this is not a spontaneous free-response answer. Audio and segmentation QA confirmed for development V0.
v0-sw-0085
spk-sw-001
sw-en
Standard Kiswahili
setB
setB-07
scripted_prompt_reading
null
7
Kumi na tano jumlisha saba ni ngapi? Niambie jinsi ulivyopata jibu lako.
Kumi na tano jumlisha saba ni ngapi? Niambie jinsi ulivyopata jibu lako.
10.695
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
B_questions.mp4
inter-answer silence midpoint (-35 dB, 2.0 s minimum)
v0
Contributor-confirmed scripted reading of prompt_text; this is not a spontaneous free-response answer. Audio and segmentation QA confirmed for development V0.
v0-sw-0086
spk-sw-001
sw-en
Standard Kiswahili
setB
setB-08
scripted_prompt_reading
null
8
Niambie jambo lililotokea shuleni wiki hii.
Niambie jambo lililotokea shuleni wiki hii.
5.825
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
B_questions.mp4
inter-answer silence midpoint (-35 dB, 2.0 s minimum)
v0
Contributor-confirmed scripted reading of prompt_text; this is not a spontaneous free-response answer. Audio and segmentation QA confirmed for development V0.
v0-sw-0087
spk-sw-001
sw-en
Standard Kiswahili
setB
setB-09
scripted_prompt_reading
null
9
Unataka kuwa nini ukikua?
Unataka kuwa nini ukikua?
8.957
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
B_questions.mp4
inter-answer silence midpoint (-35 dB, 2.0 s minimum)
v0
Contributor-confirmed scripted reading of prompt_text; this is not a spontaneous free-response answer. Audio and segmentation QA confirmed for development V0.
v0-sw-0088
spk-sw-001
sw-en
Standard Kiswahili
setB
setB-10
scripted_prompt_reading
null
10
Nieleze mchezo unaocheza na marafiki zako, na kanuni zake.
Nieleze mchezo unaocheza na marafiki zako, na kanuni zake.
5.095
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
B_questions.mp4
inter-answer silence midpoint (-35 dB, 2.0 s minimum)
v0
Contributor-confirmed scripted reading of prompt_text; this is not a spontaneous free-response answer. Audio and segmentation QA confirmed for development V0.
v0-sw-0089
spk-sw-001
sw-en
Standard Kiswahili
setC
instr-start-letter-syllable-001
scaffolding_utterance
null
1
null
Hebu sasa soma syllable hii kwa sauti.
4.745
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
C_sw_en20_intey.mp4
silence midpoint (-35 dB, 1.5 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0090
spk-sw-001
sw-en
Standard Kiswahili
setC
instr-retry-001
scaffolding_utterance
null
2
null
Hebu jaribu kuisoma tena. One more time!
7.688
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
C_sw_en20_intey.mp4
silence midpoint (-35 dB, 1.5 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0091
spk-sw-001
sw-en
Standard Kiswahili
setC
instr-slow-down-001
scaffolding_utterance
null
3
null
Soma polepole, take your time, usikimbilie maneno.
9.391
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
C_sw_en20_intey.mp4
silence midpoint (-35 dB, 1.5 s minimum)
v0
This recording follows the earlier script wording 'usikimbilie maneno'; the current reviewed corpus now uses 'usiache maneno'. Audio and segmentation QA confirmed for development V0.
v0-sw-0092
spk-sw-001
sw-en
Standard Kiswahili
setC
instr-ready-check-001
scaffolding_utterance
null
4
null
Uko ready? Twende!
4.263
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
C_sw_en20_intey.mp4
silence midpoint (-35 dB, 1.5 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0093
spk-sw-001
sw-en
Standard Kiswahili
setC
praise-first-try-beginner-001
scaffolding_utterance
null
5
null
Hongera! Good job, umeitamka vizuri!
3.66
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
C_sw_en20_intey.mp4
silence midpoint (-35 dB, 1.5 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0094
spk-sw-001
sw-en
Standard Kiswahili
setC
praise-first-try-paragraph-001
scaffolding_utterance
null
6
null
Umesoma kifungu vizuri sana. Great job!
5.392
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
C_sw_en20_intey.mp4
silence midpoint (-35 dB, 1.5 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0095
spk-sw-001
sw-en
Standard Kiswahili
setC
praise-effort-general-001
scaffolding_utterance
null
7
null
Good try! Umejitahidi; tujaribu tena pamoja.
6.887
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
C_sw_en20_intey.mp4
silence midpoint (-35 dB, 1.5 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0096
spk-sw-001
sw-en
Standard Kiswahili
setC
praise-improvement-001
scaffolding_utterance
null
8
null
Unazidi kufanya vizuri. Keep it up!
10.258
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
C_sw_en20_intey.mp4
silence midpoint (-35 dB, 1.5 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0097
spk-sw-001
sw-en
Standard Kiswahili
setC
hint-sentence-context-001
scaffolding_utterance
null
9
null
Soma sentensi yote; maneno mengine yatakupa clue.
6.54
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
C_sw_en20_intey.mp4
silence midpoint (-35 dB, 1.5 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0098
spk-sw-001
sw-en
Standard Kiswahili
setC
hint-look-again-001
scaffolding_utterance
null
10
null
Angalia neno hilo tena kwa makini. Take your time.
8.864
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
C_sw_en20_intey.mp4
silence midpoint (-35 dB, 1.5 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0099
spk-sw-001
sw-en
Standard Kiswahili
setC
correction-letter-soft-001
scaffolding_utterance
null
11
null
Ulikaribia! Sikiliza sauti ya herufi hii: mmm. Try again.
10.209
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
C_sw_en20_intey.mp4
silence midpoint (-35 dB, 1.5 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
v0-sw-0100
spk-sw-001
sw-en
Standard Kiswahili
setC
correction-model-pronunciation-001
scaffolding_utterance
null
12
null
Sikiliza: “shule.” Sasa repeat after me: “shule.”
3.459
16,000
1
Google Pixel 6 (Android 17)
quiet
null
yes
2026-08-15
C_sw_en20_intey.mp4
silence midpoint (-35 dB, 1.5 s minimum)
v0
Audio and segmentation QA confirmed for development V0.
End of preview. Expand in Data Studio

Ntina Voice Dataset V0

V0 contains read-aloud and prompt-based recordings from one adult Swahili speaker from the Democratic Republic of the Congo, two adult Yoruba speakers, and two Yoruba child participants aged 10–15. It is intended for development of the Ntina TaRL reading-assessment benchmark.

Development status

This is a public development V0 dataset. Contributor consent is confirmed for all speakers, and guardian consent is confirmed for both child participants. Questions and corrections can be sent to ashuza1411@gmail.com.

Hugging Face: Ash11/ntina-voice-dataset-v0

Contents

  • 30 isolated syllables
  • 40 isolated words
  • 2 paragraphs
  • 2 stories
  • 4 comprehension-question recordings
  • 10 Swahili scripted Set B prompt recordings
  • 20 code-switched Set C scaffolding recordings
  • 86 Yoruba–English Set C scaffolding recordings
  • 10 Yoruba–English scripted Set B prompt recordings
  • 58 Yoruba child Set A recordings: 29 syllables, 22 words, 2 paragraphs, 1 story, and 4 comprehension questions
  • 262 WAV files total

Ten Yoruba child Set B source responses do not have verbatim transcripts and are deliberately excluded from V0. They are retained outside this package for a possible later dataset version.

All distributed clips are mono, 16 kHz, signed 16-bit PCM WAV. The original MP4 recordings remain outside this prepared dataset directory.

Structure

  • audio/ — one WAV file per item
  • metadata.csv — transcript, item, speaker, duration, format, source, and provenance fields
  • speakers.csv — pseudonymous speaker metadata

Contributors are represented only by the pseudonymous IDs spk-sw-001, spk-yo-001, spk-yo-002, spk-yo-003, and spk-yo-004. The final two IDs represent different child participants: spk-yo-003 recorded the first Set A folder and spk-yo-004 recorded the second Set A folder. Filenames contain no real name.

For Yoruba Set C, the yoruba_Recording C2 - 45 source folder maps to the first 44 scaffold acts. Source recordings C46 through C87 map to the remaining 42 acts. C88 is not present and is not expected in V0.

Processing

The syllable, word, and comprehension recordings were split at the midpoint of detected silence intervals. Detection used -35 dB, with a minimum gap of 0.6 seconds for syllables and 1.0 second for words and comprehension items. Paragraph and story recordings were converted as complete clips. All outputs were resampled to mono 16 kHz PCM.

The preparation process is reproducible with:

node tools/prepare-seta-v0.js
node tools/prepare-yoruba-setc-v0.js
node tools/prepare-yoruba-child-v0.js
node tools/finalize-dataset-v0.js

Validation and publication

The prepared directory contains 262 metadata rows matching exactly 262 audio files. There are no missing or extra clips or blank transcripts. All 58 child clips are mono, 16 kHz, signed 16-bit PCM.

The public Hugging Face repository is Ash11/ntina-voice-dataset-v0. Audio is ignored by the application Git repository to prevent it from being pushed to GitHub; WAV files in the separate dataset repository are configured for Git LFS.

Limitations

  • One speaker is not representative of Congolese Swahili diversity.
  • Four Yoruba speakers are not representative of Yoruba dialect diversity.
  • The Yoruba Set C reference text and recording alignment were verified by a contributor for V0.
  • “Congolese Swahili” is not a sufficiently precise dialect label; the speaker's region must be recorded before dialect claims are made.
  • Audio boundaries and alignment were confirmed by the contributor for V0.
  • Set B contains scripted readings of the prompt text, not spontaneous free-response answers for the adult contributors. Untranscribed child Set B responses are excluded from V0 and reserved for a later version.
  • The child Set A session is partial. Missing items are yo-ls-020, yo-w-001yo-w-010, yo-w-012yo-w-018, yo-w-020, and yo-s-002.
  • This V0 contains monolingual Set A reading material, not spontaneous code-switched speech.

Consent, licensing, and access

Contributor consent is recorded for every speaker, and guardian consent is recorded for both child participants. Confirmation was entered on 2026-08-15; the original document-signing date was not supplied. V0 uses custom development terms (other in Hugging Face metadata). Contact ashuza1411@gmail.com with reuse questions. Source texts retain their original attribution and license requirements.

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