Datasets:

zionia
/

isizulu-asr-test

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unyaka u ninteen sixty nine	isizulu_193_08	null	isizulu_193
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is thirty eight	isizulu_193_02	null	isizulu_193
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shumi nesishiyagalombili kundasa	isizulu_193_12	null	isizulu_193
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owesilisa	isizulu_193_03	null	isizulu_193
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uphiko lukazwelonke lwezobunhloli	isizulu_193_14	null	isizulu_193
izinto zokuhambisa isidumbu som nomufi zibiza enye imali	isizulu_193_19	null	isizulu_193
mamo yinkonyane yendlovu ebhajwe odakeni	isizulu_193_15	null	isizulu_193
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ntombela yini yona leyonto ukwehla kwemali	isizulu_193_25	null	isizulu_193
yiyo leyondlela ebizwa ngokuthi prose i proyset method	isizulu_193_20	null	isizulu_193
sithekelile ke nathi ezincwadini eziningi zemfundo	isizulu_193_29	null	isizulu_193
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okunye ukuthi uzame ukwenza njalo okuhle ngazo zonke izikhathi	isizulu_149_22	null	isizulu_149
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qede ithi angikufuni njalo ukusukelwa	isizulu_149_26	null	isizulu_149
lolu hlobo lubhalwe ngendlela ethiwa yiphro	isizulu_149_15	null	isizulu_149
ngakusasa nxa sekusile amadoda amukiswa wona ezimbongolweni zawo	isizulu_149_19	null	isizulu_149
imicabango yokuthi mhlawumbe bayaphupha noma sebekwelabaphansi yalokhu ihlezi nabo	isizulu_149_20	null	isizulu_149
kuthe nje kungakabonakali nokuthi baqophe kuphi base bemanzi te umjuluko	isizulu_149_21	null	isizulu_149
ini yena enza lapho toilet kamina	isizulu_149_24	null	isizulu_149
umnyango wezinkampani zikahulumeni	isizulu_149_14	null	isizulu_149
y a s e m a i s h a n i	isizulu_149_11	null	isizulu_149
pho sebu sewephutha pho sebe u phu pho sebewuthunqasi izintuli zihlangene nomjuluko	isizulu_149_18	null	isizulu_149
ziyishumi nantathu kunhlaba	isizulu_149_12	null	isizulu_149
nkonzo mntanami yini kodwa kangaka	isizulu_149_17	null	isizulu_149
catherine bengizocela ukushayela ubaba ucingo	isizulu_149_23	null	isizulu_149
basuka eradifim bamisa ehlane lasesinayi	isizulu_149_25	null	isizulu_149
endulondulo izilwane zazihlala esithuthumuthunywini sehlathi lapho kwakunoju oluningi khona	isizulu_149_29	null	isizulu_149
yiyo lendlela ebizwa nga ngakuthi yi proyset method	isizulu_149_27	null	isizulu_149
induna yasemlindankosi yamyala ngazo ujosefa ukuba azibheke wazikhonza zazisekulindweni izinsukwana	isizulu_149_28	null	isizulu_149
usigonyela wafika ekhaya evela ngasemagogo wathola kukubi abantu behla behlalele ovalweni	isizulu_149_30	null	isizulu_149
wabuza impilo yabo wathi usaphila uyihlo ixhegu enanikhuluma ngalo na	isizulu_198_16	null	isizulu_198
onyakeni wenkulungwane namakhulu ayisishiyagalolunye namashumi ayisikhombisa nantathu	isizulu_198_08	null	isizulu_198
yebo	isizulu_198_07	null	isizulu_198
uzibandlela	isizulu_198_12	null	isizulu_198
z i h l a l l a	isizulu_198_11	null	isizulu_198
wahle wazibonela lapho ukuthi usefike emuva kwendaba	isizulu_198_17	null	isizulu_198
owesilisa	isizulu_198_03	null	isizulu_198
mhla ziyishumi nesikhombisa kuntulikazi	isizulu_198_06	null	isizulu_198
e potchefstroom	isizulu_198_09	null	isizulu_198
amashumi amathathu nesithupha	isizulu_198_02	null	isizulu_198
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umnyango wezinkampani zikahulumeni	isizulu_198_14	null	isizulu_198
isizulu	isizulu_198_01	null	isizulu_198
ngocingo olujwayelekile	isizulu_198_04	null	isizulu_198
okunye ukuthi uzame njalo ukwenza okuhle ngazo zonke izikhathi	isizulu_198_15	null	isizulu_198
kunye ngqi kubili ngqi kubili udwi ongaphansi kuthathu	isizulu_198_05	null	isizulu_198
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angisakhulumi ngomame baba phela labo sebaphenduka abahlengikazi	isizulu_198_29	null	isizulu_198
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wasala yedwa ujakobe kwabambana naye umuntu kwaze kwasa	isizulu_198_28	null	isizulu_198
ijabule ifile ngokubona inyama iziletha kuyo	isizulu_198_25	null	isizulu_198
nkonzo mntanami yini kodwa kangaka	isizulu_198_20	null	isizulu_198
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kuthe lapho otajewo nomeromo besakha isu bethuswa ukubhonga kwebhubesi	isizulu_198_22	null	isizulu_198
nsizwa asizame ukubhukuda sigwedle siyophuma ngale kwalo mfula	isizulu_198_19	null	isizulu_198
umbhoshongo wasebhabhele umhlaba wonke wawunolimi lunye nokukhuluma kunye	isizulu_198_26	null	isizulu_198
wayithintathinta unina ngomboko kubonakala ukuthi uyayidlalisa	isizulu_198_23	null	isizulu_198
yinye chashaza yinye yimbili one sixty two	isizulu_160_04	null	isizulu_160
ucingo olujwayelekileyo	isizulu_160_03	null	isizulu_160
ishuminanye	isizulu_160_02	null	isizulu_160
seven september	isizulu_160_07	null	isizulu_160
e potchefstroom	isizulu_160_08	null	isizulu_160
fourteen umandulo	isizulu_160_11	null	isizulu_160
yihora lesishagalombili ezimpondweni	isizulu_160_09	null	isizulu_160
cha angishadanga	isizulu_160_06	null	isizulu_160
yiqanda yinye kunye kune yiqanda ku kune kune qanda kuthathu kuthathu shagalolunye	isizulu_160_12	null	isizulu_160
seven september	isizulu_160_05	null	isizulu_160

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isiZulu Speech Recognition Augmented Test Dataset

Dataset Description

This dataset contains augmented speech recordings and transcriptions for isiZulu, one of South Africa's official languages. The dataset has been optimized for use with OpenAI's Whisper ASR models.

Dataset Statistics

Number of samples: 690
Language: isiZulu (Zul)
Audio format: WAV, 16kHz, mono, 16-bit
Maximum duration: 30 seconds (truncated for Whisper compatibility)
Transcription format: Cleaned text (lowercase, no punctuation)

Audio Processing

All audio files have been processed with the following optimizations:

Resampled to 16kHz (Whisper's native sample rate)
Converted to mono
Normalized volume to -16dBFS
Truncated to maximum 30 seconds
16-bit PCM encoding

Transcription Cleaning

Transcriptions have been cleaned:

Converted to lowercase
Removed all punctuation
Removed POS markers (e.g., [n], [v])
Normalized whitespace

Dataset Structure

Each sample contains:

audio: Audio file path and array
transcription: Cleaned transcription text
file_id: Unique identifier for the recording
subfolder: Original subfolder location

Usage

from datasets import load_dataset

# Load the dataset
dataset = load_dataset("zionia/isizulu-lwazi-asr-test")

# Access samples
print(dataset['train'][0])

Citation

If you use this dataset, please cite the original Lwazi corpus:

@inproceedings{lwazi2011,
  title={The Lwazi corpus: an African speech resource},
  author={Barnard, E. and Davel, M. H. and Van Heerden, C.},
  booktitle={Proceedings of the 22nd Annual Symposium of the Pattern Recognition Association of South Africa},
  year={2011}
}

License

This dataset is released under the MIT License.

Language

isiZulu is a language spoken primarily in South Africa.

Downloads last month: 42

Size of downloaded dataset files:

115 MB

Size of the auto-converted Parquet files:

115 MB

Number of rows:

690