Bedjond Speech to Text: Preserving a Language Through AI

The Bedjond Language and Its Speakers

Bedjond (ISO 639-3: bjv) is a Central Sudanic language spoken by around 40,000 people, primarily in the Moyen-Chari region of southern Chad and across the border in the Central African Republic. It is part of the Sara-Bongo-Bagirmi subgroup of the Nilo-Saharan family. The language is written in a Latin script, though the orthography is not fully standardized. Most speakers are bilingual in French or Arabic, and Bedjond is used mainly in daily life and traditional contexts.

Why Accurate Speech to Text for Bedjond Matters

Bedjond is an oral language with a rich heritage of storytelling, chants, and ceremonial speech. Rapid urbanization and language shift threaten its transmission to younger generations. AI-powered speech-to-text offers a way to capture spoken Bedjond and convert it into durable written form. This is crucial for:

• Language preservation: Recording elders' knowledge and making it accessible.
• Education: Creating reading materials for literacy programs.
• Media: Adding subtitles to local radio and video content.
• Research: Linguists can analyze recordings more efficiently.

Transcription Challenges Specific to Bedjond

Unlike widely spoken languages, Bedjond presents unique hurdles for automatic speech recognition:

• Tonal distinctions: Three tones (high, mid, low) can change word meanings. For example, tà (low tone, 'to say') vs. tā (high tone, 'to burn').
• Vowel length: Long and short vowels are phonemic, e.g., kà (to pick) vs. kàà (to be afraid).
• Limited training data: Few annotated speech corpora exist for Bedjond, making it a low-resource language.
• Dialectal variation: Central, northern, and southern dialects differ in pronunciation and vocabulary.

Speechyou addresses these challenges by using a custom fine-tuned model trained on a small but representative corpus of Bedjond speech, adapted from related Sara languages like Ngambay and Sara Kaba. The model is robust to tonal variation, though tone is not yet marked in the output.

Use Cases for Bedjond Transcription

Oral history preservation: Community elders in Chad can record their life stories, and Speechyou transcribes them in minutes. These texts become part of a digital archive for future generations.

Community radio: Local stations in Moyen-Chari broadcast news, health messages, and cultural programs in Bedjond. Speechyou generates subtitles for these broadcasts, making them accessible to deaf audience members and allowing wider distribution online.

Language documentation: Linguists from universities and organizations like SIL use Speechyou to transcribe field recordings, speeding up the creation of dictionaries and grammars.

Education: Teachers can create written lesson materials from spoken Bedjond, helping students learn to read in their mother tongue.

Subtitle creation: Videos of traditional ceremonies, dance performances, or instructional content can be subtitled in Bedjond using Speechyou's SRT/VTT export.

Personal use: Families can transcribe voice notes and conversations in Bedjond for sharing with relatives who read the language.

How Speechyou Helps

Speechyou is the only automatic transcription service that supports Bedjond. Our model achieves over 95% word accuracy on clear audio, and we continuously improve it based on user feedback. The platform is simple: upload an audio or video file, select Bedjond as the language, and receive a text transcript with timestamps. You can also generate subtitles in SRT or VTT format for use with video players.

We offer a free tier to get started, and the Solo plan includes unlimited transcription for a fixed monthly fee. There is no per-minute pricing, so you can transcribe as much Bedjond content as you need.

Get started today and help preserve the Bedjond language with AI.