Common Voice Scripted Speech 25.0 - Sorbian, Upper

License:

CC0-1.0

Steward:

Common Voice

Task: ASR

Release Date: 3/22/2026

Format: MP3

Size: 200.37 MB

Description

A collection of read speech recordings in Sorbian, Upper (Hornjoserbšćina).

Specifics

Licensing

Creative Commons Zero v1.0 Universal (CC0-1.0)

https://spdx.org/licenses/CC0-1.0.html

Considerations

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.

Processes

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.

Metadata

Hornjoserbšćina — Sorbian, Upper (`hsb`)

This datasheet is for cv-corpus-25.0-2026-03-09 of the Mozilla Common Voice Scripted Speech dataset for Sorbian, Upper [Hornjoserbšćina - hsb]. The dataset contains 4278 clips representing 8.91 hours of recorded speech (3.41 hours validated) from 33 speakers, recorded from a text corpus of 7,722 sentences.

Language

Accents

Code	Accent	Clips	Speakers
-		10 (0.2%)	1 (3.0%)

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.

Code	Gender	Clips	Speakers
male_masculine	Male, masculine	1,495 (34.9%)	12 (36.4%)
female_feminine	Female, feminine	109 (2.5%)	3 (9.1%)
transgender	Transgender	-	-
non-binary	Non-binary	-	-
do_not_wish_to_say	Prefer not to say	-	-
-	Unspecified	2,674 (62.5%)	20 (60.6%)

Gender declared: 1,604 of 4,278 clips (37.5%), 13 of 33 speakers (39.4%)

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.

Code	Age	Clips	Speakers
teens	Teens	139 (3.2%)	2 (6.1%)
twenties	Twenties	201 (4.7%)	2 (6.1%)
thirties	Thirties	175 (4.1%)	1 (3.0%)
fourties	Fourties	953 (22.3%)	7 (21.2%)
fifties	Fifties	126 (2.9%)	2 (6.1%)
sixties	Sixties	40 (0.9%)	2 (6.1%)
seventies	Seventies	55 (1.3%)	2 (6.1%)
eighties	Eighties	-	-
nineties	Nineties	-	-
-	Unspecified	2,589 (60.5%)	18 (54.5%)

Age declared: 1,689 of 4,278 clips (39.5%), 15 of 33 speakers (45.5%)

Data splits for modelling

Clip buckets

Bucket	Clips
Validated	1,637 (38.3%)
Invalidated	252 (5.9%)
Other	2,389 (55.8%)

Training splits

Split	Clips
Train	812 (49.6%)
Dev	350 (21.4%)
Test	475 (29.0%)

Training split coverage: 1,637 of 1,637 validated clips (100.0%)

The dataset contains 1637 validated, 252 invalidated, and 2389 unresolved clips. The average clip duration is 7.503 seconds.

Text corpus

Validated sentences: 7,182

Category	Count
Unvalidated sentences	540
Pending sentences	514
Rejected sentences	26
Reported sentences	128

The corpus contains 7,722 sentences: 7,182 validated and 540 unvalidated (514 pending review, 26 rejected), with 128 reported for review.

Sample

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

To je doba sobupostajenja, towaršnostneho dialoga, nowych politiskich jednanjow a zaměrow.
Tež teoretiske wukubłanje je jenož rudimentarne.
Najwažniše zhromadźenstwo za rěčne kubłanje je dale swójba.
Tuta kompetenca ma so na wšelaku starobu ludźi přitřihana wuwiwać.
Z wonym lětom zahaji Arndt Ginzel swój přinošk.

Sources

Source	Sentences
sentence-collector	7,171 (99.8%)
Other	11 (0.2%)

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)

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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

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