Common Voice Scripted Speech 25.0 - Balti

بلتی — Balti (bft)

This datasheet is for cv-corpus-25.0-2026-03-09 of the Mozilla Common Voice Scripted Speech dataset for Balti [بلتی - bft]. The dataset contains 10547 clips representing 17.36 hours of recorded speech (16.56 hours validated) from 155 speakers, recorded from a text corpus of 7,980 sentences.

Language

Balti is known as the lingua franca in Baltistan, the Northern Areas of Pakistan. It is spoken in the four districts of Baltistan Division: Skardu, Ghanche, Shigar, Kharmang and some parts of Round District of Gilgit Baltistan. It is spoken by Eight Lac people.

Accents

Demographic information

The dataset includes the following self-declared age and gender distributions. A coverage summary is shown below each table.

Gender

Self-declared gender information. The table shows clip and speaker counts with percentages. Speakers who did not declare a gender are listed as Unspecified. A dash (-) indicates zero.

Gender declared: 2,359 of 10,547 clips (22.4%), 7 of 155 speakers (4.5%)

Age

Self-declared age information. The table shows clip and speaker counts with percentages. Speakers who did not declare an age are listed as Unspecified. A dash (-) indicates zero.

Age declared: 7,668 of 10,547 clips (72.7%), 12 of 155 speakers (7.7%)

Data splits for modelling

Clip buckets

Training splits

Training split coverage: 5,850 of 10,060 validated clips (58.2%)

The dataset contains 10060 validated, 464 invalidated, and 23 unresolved clips. The average clip duration is 5.928 seconds.

Text corpus

The corpus have been collected from Balti books written by local Balti poets and writers.

Validated sentences: 7,968

The corpus contains 7,980 sentences: 7,968 validated and 12 unvalidated (12 pending review, 0 rejected), with 37 reported for review.

Writing system

Perso-Arabic script has been used as the writing system of Balti language.

Symbol table

اب پ ت ٹ ث ج ڃ چ ڇ ح خ د ڈ ذ ر ڑ زڗ ژ س ش ݜ ص ض ط ظ ع غ ف ق ک گ کٔ ل م ن نٚ ݨ و ہ ء ی ے

Sample

There follows a randomly selected sample of five sentences from the corpus.

1. موے بوا تھدے موے زِی تھدے یُولمی تھدے سکیُورفی بادشو لہ موے نُورو مہ اونگما نہ موے نُورو یانگ لہ اونگنُوگا؟ ژھو چُھو کول سکولبا

2. خیر نم لنگس، کھو ینگ کُھوری دے بیُونگمی تھوے کھہ بیُونگس، بادشائی ننگ نُو اونگس

3. نی ننگجونی ژھرنگ چیگی گو ہلژانگسے زیرس لے روزی ریبو خلاسینگ اَتا ندپا یود ، دوانا سمن کھیربن، مرفو بونوے تھونگفہ لا ییکہ مدوکپا درل،

4. سُو لنگسے اونگسے سُو زُونے کھیرسید۔چنگسہ میدپن سونگ یولجوک سمن ژالے۔

5. مک سوسی زیروک مکلا مک پینگنو چھیما مید نا

Sources

Ehsan Ali Danish; novels and poetry Younus Jones

Text domains

General

Processing

Collected Balti books in soft form and extracted more than ten thousand sentences from the books with the prior consents of the respective writers.

Fields

Clips

Each row of a tsv file represents a single audio clip, and contains the following information:

• client_id - hashed UUID of a given user

• path - relative path of the audio file

• text - supposed transcription of the audio

• up_votes - number of people who said audio matches the text

• down_votes - number of people who said audio does not match text

• age - age of the speaker1

• gender - gender of the speaker1

• accents - accents of the speaker1

• variant - variant of the language1

• segment - if sentence belongs to a custom dataset segment, it will be listed here

• prompt_upvotes - number of upvotes the sentence prompt received

• prompt_reports - number of reports the sentence prompt received

• is_edited - whether the clip's transcription has been edited

validated_sentences.tsv

The validated_sentences.tsv file contains one row per validated sentence in the text corpus:

• sentence_id - unique identifier for the sentence

• sentence - the sentence text

• variant - the variant of the language

• sentence_domain - the domain(s) the sentence belongs to

• source - the source the sentence was collected from

• is_used - whether the sentence is still in circulation for recording

• clips_count - number of clips recorded for this sentence

unvalidated_sentences.tsv

The unvalidated_sentences.tsv file contains one row per unvalidated sentence in the text corpus:

• sentence_id - unique identifier for the sentence

• sentence - the sentence text

• variant - the variant of the language

• sentence_domain - the domain(s) the sentence belongs to

• source - the source the sentence was collected from

• up_votes - number of upvotes the sentence received

• down_votes - number of downvotes the sentence received

• status - current status of the sentence (pending or rejected)

Get involved

Community links

• Common Voice translators on Pontoon

• Common Voice Communities

Discussions

• Common Voice on Matrix

• Common Voice on Discourse

• Common Voice on Discord

• Common Voice on Telegram

Contribute

• Speak

• Write

• Listen

• Review

Acknowledgements

Datasheet authors

Common Voice Community

Funding

This dataset was partially funded by the Open Multilingual Speech Fund managed by Mozilla Common Voice.

Licence

This dataset is released under the Creative Commons Zero (CC-0) licence. By downloading this data you agree to not determine the identity of speakers in the dataset.

Footnotes

1. For a full list of age, gender, and accent options, see the demographics spec. These will only be reported if the speaker opted in to provide that information. ↩ ↩2 ↩3 ↩4