sajalmadan0909/hindi_and_english_stt_tts_master_data

Hindi and English STT/TTS Master Data

Combined speech dataset for Hindi and Indian English automatic speech recognition (ASR) and text-to-speech (TTS) training. Parquet shards embed WAV audio bytes with transcripts.

Dataset structure

hindi/<source>/train-*.parquet
english/<source>/train-*.parquet

Each config loads one source independently (~3.24M total rows, ~1.9 TB).

Features

Column	Type	Description
audio	Audio	WAV bytes embedded in parquet (bytes + path)
text	string	Transcript in source language (Hindi Devanagari or English)
source	string	Source dataset identifier

Usage

from datasets import load_dataset

# Load a single source
ds = load_dataset(
    "sajalmadan0909/hindi_and_english_stt_tts_master_data",
    "naharte_indian_english",
    split="train",
)
print(len(ds), ds[0]["text"])

# Load Hindi NPTEL subset
hi = load_dataset(
    "sajalmadan0909/hindi_and_english_stt_tts_master_data",
    "nptel_indic2en_hindi",
    split="train",
)

Sources and provenance

Config	Language	Rows (approx.)	Upstream dataset
combined_hindi_english_indicvoices	Hindi	385,644	sajalmadan0909/combined_hindi_english_datasets (IndicVoices)
combined_hindi_english_kathbath	Hindi	91,752	sajalmadan0909/combined_hindi_english_datasets (Kathbath)
combined_hindi_english_lahaja	Hindi	6,152	sajalmadan0909/combined_hindi_english_datasets (Lahaja)
combined_hindi_english_shrutilipi	Hindi	734,675	sajalmadan0909/combined_hindi_english_datasets (Shrutilipi)
combined_hindi_english_nirantar	Hindi	13,391	sajalmadan0909/combined_hindi_english_datasets (Nirantar)
combined_synthetic_voice_stt_devanagari	Hindi	24,459	sajalmadan0909/combined_synthetic_datasets_eng_hin_engandhincodemix
worldspeech_hi_in	Hindi	577,382	disco-eth/WorldSpeech (hi_in)
nptel_indic2en_hindi	Hindi	521,024	ai4bharat/NPTEL (indic2en / hindi)
nptel_en2indic	English	1,586,862	ai4bharat/NPTEL (en2indic)
indian_english_voice	English	6,656	Gbssreejith/indian-english-voice
krishan23_indian_english	English	6,765	krishan23/indian_english
naharte_indian_english	English	2,366	naharte/indian_english
worldspeech_en_pk	English	4,486	disco-eth/WorldSpeech (en_pk)
svarah	English	6,656	ai4bharat/Svarah

License

This collection aggregates multiple upstream datasets. Users must comply with each upstream dataset's license and terms of use (NPTEL, WorldSpeech, AI4Bharat, and others). See the linked source repositories for license details.

Citation

If you use this dataset, please cite the upstream sources listed above.