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Task: ASR
Release Date: 3/22/2026
Format: MP3
Size: 448.17 MB
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A collection of read speech recordings in Indus Kohistani (اباسیْن کوستَیں).
Restrictions/Special Constraints
None provided.
Forbidden Usage
It is forbidden to attempt to determine the identity of speakers in the Common Voice datasets. It is forbidden to re-host or re-share this dataset.
Intended Use
This dataset is intended to be used for training and evaluating automatic speech recognition (ASR) models. It may also be used for applications relating to computer-aided language learning (CALL) and language or heritage revitalisation.
mvy)This datasheet is for cv-corpus-25.0-2026-03-09 of the Mozilla Common Voice Scripted Speech dataset for Indus Kohistani [اباسیْن کوستَیں - mvy]. The dataset contains 18455 clips representing 24.56 hours of recorded speech (22.09 hours validated) from 56 speakers, recorded from a text corpus of 6,856 sentences.
Indus Kohistani is an Indo-Aryan language spoken in District Lower Kohistan, Upper Kohistan, Gilgit Baltistan and other parts of Pakistan. There are few books written and published in this language. It is mainly a verbal language but currently young generation has started this language at social media platform and started to write in it.
| Code | Accent | Clips | Speakers |
|---|---|---|---|
| - | 2,910 (15.8%) | 7 (12.5%) |
The dataset includes the following self-declared age and gender distributions. A coverage summary is shown below each table.
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.
| Code | Gender | Clips | Speakers |
|---|---|---|---|
| male_masculine | Male, masculine | - | - |
| female_feminine | Female, feminine | 21 (0.1%) | 2 (3.6%) |
| transgender | Transgender | - | - |
| non-binary | Non-binary | - | - |
| do_not_wish_to_say | Prefer not to say | - | - |
| - | Unspecified | 18,434 (99.9%) | 54 (96.4%) |
Gender declared: 21 of 18,455 clips (0.1%), 2 of 56 speakers (3.6%)
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.
| Code | Age | Clips | Speakers |
|---|---|---|---|
| teens | Teens | 64 (0.3%) | 1 (1.8%) |
| twenties | Twenties | 7,277 (39.4%) | 12 (21.4%) |
| thirties | Thirties | 8,716 (47.2%) | 11 (19.6%) |
| fourties | Fourties | 1,090 (5.9%) | 5 (8.9%) |
| fifties | Fifties | 586 (3.2%) | 1 (1.8%) |
| sixties | Sixties | - | - |
| seventies | Seventies | - | - |
| eighties | Eighties | - | - |
| nineties | Nineties | - | - |
| - | Unspecified | 722 (3.9%) | 44 (78.6%) |
Age declared: 17,733 of 18,455 clips (96.1%), 12 of 56 speakers (21.4%)
Clip buckets
| Bucket | Clips |
|---|---|
| Validated | 16,601 (90.0%) |
| Invalidated | 570 (3.1%) |
| Other | 1,284 (7.0%) |
Training splits
| Split | Clips |
|---|---|
| Train | 2,558 (15.4%) |
| Dev | 1,946 (11.7%) |
| Test | 2,077 (12.5%) |
Training split coverage: 6,581 of 16,601 validated clips (39.6%)
The dataset contains 16601 validated, 570 invalidated, and 1284 unresolved clips. The average clip duration is 4.791 seconds.
Corpus contains more 6500 sentences from different open source documents or from published books of different authors with their permission and consent. Most of them were submitted to a local organisation which then forwarded to Common voice.
Validated sentences: 6,635
| Category | Count |
|---|---|
| Unvalidated sentences | 221 |
| Pending sentences | 218 |
| Rejected sentences | 3 |
| Reported sentences | 90 |
The corpus contains 6,856 sentences: 6,635 validated and 221 unvalidated (218 pending review, 3 rejected), with 90 reported for review.
Perso-Arabic script
ا ب بھ پ پھ ت تھ ٹ ٹھ ث ج جھ چ جھ ڇ ڇھ ح خ څ څھ د دھ ڈ ڈھ ذ ر رھ ڑ ز زھ ژ ژھ ڙ ڙھ س ش ݜ ص ض ط ظ ع غ ف ق ک کھ گ گھ ل لھ م مھ ن نھ ݨ و ہ ء ی ې ے
There follows a randomly selected sample of five sentences from the corpus.
”ہی مہ دڑ تھی“، ”ہی اے وئ تُھو“۔
(کاپھرہ واں دن بنژا تھی) او پُڑ ہون٘لؤں! آج تُس (دین قبلان٘لؤں نہ) الُوۡ بئ۔
بېکسیں اڅھکیۡ خُویں وَیں نھالُوں اُو تُور ہو تُھو۔
تے تلاں ترتیب لا سگائ ہِن الفاظواں شکلہ مہ پن٘ڑہ لا لیکیۡ ُتھو۔
اک جامع تے برابر معیاری تعلیماں حصولاں کِراں تئیں وعداں اعلان کراتےچہ
| Source | Sentences |
|---|---|
| Warya Usool e Fiqha | 1,203 (18.4%) |
| Column for Magazine Shaari(Draft) | 910 (13.9%) |
| Sawaat Paighambar | 740 (11.3%) |
| Desi Ilaaja (Draft) | 707 (10.8%) |
| Panj Surah Translation | 497 (7.6%) |
| Column for Social Media | 410 (6.3%) |
| Story (Draft) | 368 (5.6%) |
| self | 332 (5.1%) |
| Indus Kohistani Ilm e Balagha & Ilm e Bayan | 138 (2.1%) |
| Other | 1,221 (18.7%) |
General, Agriculture and Food, Automotive and Transport, Healthcare, History, Law and Governmant, Media and Entertainment, Nature and Environment, News and Current Affairs, Technology and Robotics, Language Fundamentals (e.g. Digits, Letters, Money)
| Code | Domain | Clips | Speakers |
|---|---|---|---|
| general | General | 108 (0.6%) | 16 (28.6%) |
| agriculture_food | Agriculture and Food | 33 (0.2%) | 14 (25.0%) |
| automotive_transport | Automotive and Transport | - | - |
| finance | Finance | - | - |
| service_retail | Service and Retail | - | - |
| healthcare | Healthcare | - | - |
| history_law_government | History, Law and Government | 78 (0.4%) | 18 (32.1%) |
| media_entertainment | Media and Entertainment | 11 (0.1%) | 9 (16.1%) |
| nature_environment | Nature and Environment | 7 (0.0%) | 7 (12.5%) |
| news_current_affairs | News and Current Affairs | - | - |
| technology_robotics | Technology and Robotics | 9 (0.0%) | 9 (16.1%) |
| language_fundamentals | Language Fundamentals | - | - |
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.tsvThe 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.tsvThe 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)
Common Voice Community
This dataset was partially funded by the Open Multilingual Speech Fund managed by Mozilla Common Voice.
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.
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