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CULTURALLY RELEVANT AI WITH HIGH-QUALITY SOUTH EAST ASIAN DATASETS

Power the rapid expansion of AI in South East Asia with high-quality, meticulously curated multilingual datasets to build accurate and culturally resonant applications.

From powering next-generation Speech Recognition (ASR) across major South East Asian languages and regional dialects—including Singlish, Javanese, and Isan—to fine-tuning Large Language Models (LLMs) on complex social registers, tonal nuances, and diverse writing systems (Thai, Khmer, Burmese, and Latin-based scripts like Vietnamese or Bahasa Indonesia). Our data is sourced, annotated, and validated using our secure PECAT platform and expert human-in-the-loop methodology. Don't let linguistic diversity, code-switching, or high-context regional nuances limit your model's performance. Rely on Pangeanic for the diverse, massive South East Asian multimodal datasets you need.

Talk to us about South East Asian Datasets
 

 

South East Asian datasets and regional dialects for AI training, LLM fine-tuning and custom data collection:

South East Asian text icon.

Premium South East Asian Text Datasets for Enterprise LLM Training

Pangeanic provides exclusive, domain-specific South East Asian text datasets, secured through strategic partnerships with leading regional broadcasters, news agencies, and academic archives across the ASEAN region.

 

This specialized access delivers high-quality, verified content essential for fine-tuning Large Language Models (LLMs) and Natural Language Processing (NLP) systems. Our datasets are specifically curated to master the region's diverse writing systems:  from the abugidas of Thailand, Cambodia, and Myanmar to the Latin-based scripts of Vietnam, Indonesia, and the Philippines.

 

Our text data spans multiple professional registers and local dialects, including Javanese, Singlish, and Isan. This ensures your models can navigate complex cultural nuances and the high prevalence of "code-switching" (interleaving multiple languages) common in regional business and social contexts.

 

Moving beyond generic web scraping, our collection provides the precision required for high-stakes enterprise tasks, including sentiment analysis in tonal languages, entity extraction across multi-script environments, and localized knowledge retrieval for the booming South East Asian digital economy.

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Comprehensive South East Asian Speech Datasets

Building highly accurate South East Asian Speech Recognition (ASR) requires data that captures the reality of spoken language, including its unique tonal nuances, complex social registers, and the high frequency of "code-switching" across the region.

 

Through dedicated agreements with major regional broadcasters for ethical AI training data and our localized collection teams, we provide extensive South East Asian speech datasets encompassing a wide range of acoustic environments—from high-density urban hubs to diverse rural demographics.

 

We specialize in providing the high-quality speech data required for sophisticated tasks, including speaker diarization in multi-speaker environments and detailed linguistic labeling for regional dialects such as Javanese, Isan, and Singlish.

 

This focus on high-fidelity, multimodal data ensures your conversational AI, video indexing, and localized LLM models are robust, context-aware, and highly accurate across the vast and complex linguistic landscape of South East Asia.

 

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Multimodal Video Datasets for South East Asian AI

Enhance your next-generation video intelligence with Pangeanic's specialized Multimodal Video Datasets designed for advanced South East Asian AI systems.

 

Our collections, sourced via exclusive regional agreements and our local multimodal collection teams, pair high-fidelity video streams with accurately transcribed and time-aligned audio. These datasets encompass the full spectrum of the region's linguistic diversity, including major national languages and regional dialects such as Javanese, Sundanese, and Isan.

 

Leveraging the PECAT data annotation platform, our expert annotators perform simultaneous multimodal labeling. This includes detailed speaker diarization, precise acoustic event labeling in tonal environments, and visual action recognition specifically tuned to South East Asian cultural gestures—such as the Wai, Sembah, and other localized non-verbal communications.

 

This rigorous process ensures the creation of robust AI training data, perfect for video indexing, autonomous system training, and the development of highly accurate conversational AI capable of handling "code-switching" and multi-script visual environments (Thai, Burmese, Khmer, and Latin-based scripts).

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South East Asian Image Datasets for Computer Vision

Drive precision in your Computer Vision (CV) models with culturally relevant, high-quality South East Asian image datasets—covering the diverse landscapes of the ASEAN region, from the bustling urban hubs of Jakarta and Manila to the rural heartlands of Thailand and Vietnam.

 

We provide diverse, ethically sourced visual data critical for training applications like object recognition, scene understanding, and autonomous systems operating in the unique and complex environments of South East Asia.

 

Recognizing the need for culturally grounded visuals, our datasets include localized signage (often featuring regional dialects and scripts), text in multi-script environments (Thai, Khmer, Burmese, and Latin-based Vietnamese or Indonesian), and distinctive regional architectural elements.

 

Through the PECAT platform, our expert annotators perform pixel-perfect tasks such as bounding box, keypoint, and polygon segmentation, ensuring your visual data annotation is accurate, scalable, and contextually precise for the nuances of South East Asian infrastructure and social life.

Metadata required for noise datasets for AI

Metadata Needs for South East Asian Datasets

The utility of any South East Asian dataset is defined by its granular metadata, which goes beyond standard technical specifications to capture the region’s extreme linguistic diversity and complex social contexts.

 

Pangeanic’s metadata schema rigorously annotates regional dialectal variants (such as Javanese, Isan, or Cebuano) and speaker demographics. Crucially, we include tags for code-switching density—documenting where speakers alternate between national languages and English—ensuring models can navigate the natural fluidity of South East Asian speech.

 

We meticulously document acoustic characteristics and environmental context, capturing unique regional noise profiles—from the high-decibel urban density of Jakarta and Manila to the specific reverberations of rural environments. This allows for the development of highly robust localized AI systems capable of performing in real-world ASEAN settings.

 

This granular, language-specific metadata ensures your models generalize effectively and bridge the performance gap for low-resource languages across the complex linguistic and geographic landscape of South East Asia.

 

 

How We Work with You:

Off-the-Shelf Catalog and Bespoke Collections

Off-the-Shelf South East Asian Datasets

For teams that need high-quality South East Asian data fast, we offer a curated catalog of ready-to-deliver datasets across the ASEAN region:

  • Pre-validated multi-dialectal corpora for text, speech, image, and noise, covering major national languages and regional variations like Javanese, Singlish, and Isan.

  • Standard licensing models (single project, enterprise, or time-bounded) tailored for the regional regulatory landscape, allowing your legal teams to move at the speed of the SEA tech market.

  • Rapid regional delivery via secure transfer, featuring diverse samples that include code-switching and multi-script examples for immediate technical validation.

  • Transparent pricing based on dataset size, linguistic complexity (tonal vs. non-tonal), modality, and geographic coverage levels.

This model is ideal when you want production-ready South East Asian training data with minimal lead time and predictable budgets for localized AI deployment.

Bespoke South East Asian Data Collection & Annotation

When your use case demands very specific domains, dialects (like Javanese, Isan, or Cebuano), or complex code-switching scenarios, we design a custom data program tailored to the ASEAN landscape:

  1. Scoping & Design
    Together we define target countries, specific regional dialects, and the required balance of "code-switching" (mixed-language) data. We set quality thresholds and address region-specific risk constraints like local PII regulations, cultural sensitivities, and ethical sourcing.

  2. Regional Collection & Curation
    We combine our trusted regional content sources—including news agencies and media archives across Vietnam, Thailand, and Indonesia—with on-the-ground, project-specific data collection targeting low-resource dialects and specialized professional domains.

  3. Annotation & Quality Control with PECAT
    All data is processed through PECAT, our multimodal platform capable of handling diverse scripts (Thai, Khmer, Burmese, etc.) and tonal nuances. We use human-in-the-loop review with native experts to ensure measurable KPIs (WER, BLEU, CER) are met for every localized model.

  4. Delivery & Iteration
    We deliver in agreed formats and schemas compatible with major regional frameworks (like SEA-LION). We run pilot fine-tuning cycles with your team to iteratively refine the dataset based on how your model handles the region's linguistic fluidity.

Pricing for bespoke programs is typically project-based, driven by:

  • Modality and linguistic complexity (e.g., tonal conversational ASR for Thai vs. text classification for regional dialects like Javanese or Sundanese).

  • Collection difficulty (accessing low-resource dialects in rural geographies, local media channel access in Vietnam or Indonesia, and diverse speaker demographics across the archipelago).

  • Annotation depth and code-switching (rich, multi-layer labeling to identify language transitions between English and local languages, as well as precise pitch/tone alignment).

  • Exclusivity and Regulatory Compliance (usage rights and data handling tailored to regional frameworks like Thailand's PDPA or ASEAN AI ethics guidelines).

This model is ideal when you want production-ready South East Asian training data with minimal lead time and predictable budgets for localized AI deployment.

Finding the Right Model for South East Asia

Many clients start with off-the-shelf South East Asian datasets to establish a baseline, then move to a bespoke extension focusing on specific regional dialects (like Javanese, Taglish, or Isan) once they see the impact on their LLMs, ASR, or CV systems. Our team can help you:

  • Compare catalog vs. custom options tailored to specific South East Asian linguistic profiles.

  • Build a phased regional program (POC → pilot → scale-up) that matches your ASEAN market entry roadmap and budget.

  • Ensure full compliance with regional data governance, including Thailand’s PDPA and localized privacy and IP requirements.

Talk to our team to review your current South East Asian AI roadmap, and we’ll recommend the most efficient data strategy for your models.

Listed in Gartner Hype Cycle for NLP Technologies - Neural Machine Translation, Emerging Tech for Conversational AI and Synthetic Data (Data Masking)

Pangeanic is a builder of high-performance ML tools, setting the data standard for South East Asian AI-powered language technology and pioneering R&D programs for government. We know the journey from raw regional data to production-grade enterprise AI.

  • Our customizable Neural Machine Translation (NMT) solutions have been named in Gartner’s Hype Cycle for Language Technologies for three consecutive years (2023, 2024, and 2025)—a testament to our industry-leading adaptability in handling the unique morphological and script challenges of South East Asian languages.

  • Gartner also recognized our innovation in crucial domains, such as Multilingual Conversational AI (optimized for regional dialects like Javanese, Thai, and Vietnamese) and the ethical generation of Synthetic Data, enabled by our PII-masking technology to ensure PDPA compliance across the ASEAN region.

  • Most recently, our ECO platform was spotlighted in the Gartner Emerging Tech: Conversational AI Differentiation in the Era of Generative AI report, highlighting how we leverage advanced RAG systems and optimized language models to enhance accuracy, scalability, and trust in AI-driven solutions for complex, multi-dialectal markets.

Trust Pangeanic for culturally Arabic datasets, as mentioned by Gartner

Acoustic & Noise Data for South East Asian AI

Companies and startups need dependable sources of environmental and acoustic datasets to train AI systems that truly function across the diverse nations and climates of South East Asia. Pangeanic is continuously expanding its catalog of South East Asian noise and soundscapes, essential for reliable speech recognition (ASR), smart devices, and public safety applications operating in complex regional settings. We understand that a robust model must distinguish human voices from the unique ambience of a bustling wet market, high-density traffic featuring scooters and tuk-tuks, or the acoustic intensity of monsoon-season rain and tropical storms.

 

Our expertise combines custom data-collection projects with proprietary recording pipelines designed to capture authentic regional soundscapes from major hubs like Jakarta, Bangkok, and Manila to remote rural districts.

 

This approach ensures clients gain access to a precise range of sounds, from localized household environments and safety alerts unique to the region to complex transportation dynamics—including regional rail networks and maritime noise profiles.

 

By uniting our global resources and trusted regional partnerships, Pangeanic guarantees the necessary diversity, precision, and compliance (including PDPA and ASEAN AI guidelines) in every South East Asian noise dataset delivered. We are your reliable partner for building the next generation of context-aware, dialect-robust, and noise-resilient voice AI.

Are you an AI company in search of data for success?

Data is driving the world, and large enterprises may hold a competitive edge.

Are you an LLM developer or a Generative AI company aiming for success in the diverse South East Asian markets? In today's data-driven landscape, the quality of your multilingual training data is your ultimate differentiator. At Pangeanic, we recognize the critical significance of using dialectically accurate, multi-script, and culturally relevant content to prevent hallucinations and bias in your models.

We're here to help you source, annotate, and fine-tune the massive South East Asian datasets needed to build, train, and deploy sophisticated, reliable, and trustworthy culturally resonant Large Language Models (LLMs). Our expertise spans the region's unique linguistic tapestry—from mastering tonal nuances in Thai and Vietnamese to navigating the complex code-switching patterns of Singlish and Tagalog. Don't let a lack of precise data restrict your regional impact; contact us today to boost your success in Generative AI.

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https://www.wsj.com/articles/ai-startups-have-tons-of-cash-but-not-enough-data-thats-a-problem-d69de120
 

Frequently Asked Questions (FAQ) About South East Asian Datasets

  • Why is South East Asian data collection more challenging than European languages?

    South East Asia presents extreme linguistic fragmentation. A functional AI system must navigate multi-script environments (Thai, Khmer, Burmese, and Latin-based scripts like Vietnamese) and tonal nuances where pitch defines meaning. Furthermore, the region is "high-context," requiring data that understands complex social registers and the frequent use of code-switching (mixing local languages with English).

  • What is the difference between national languages and regional dialectal datasets?

    National language datasets (e.g., Standard Thai or Bahasa Indonesia) focus on formal usage. Dialectal datasets capture the reality of regional speech—such as Javanese, Isan, or Cebuano—including unique vocabulary, localized slang, and grammatical variations. Pangeanic provides both to ensure your models are accurate beyond the capital cities.

  • How does Pangeanic ensure data quality and cultural relevance?

    We use our proprietary PECAT data annotation platform with a rigorous Human-in-the-Loop (HIL) process. Our annotators are native speakers and cultural experts from across the ASEAN region who validate data for linguistic accuracy, proper tonal alignment, and regional appropriateness, ensuring the output is free from hallucinations and Western-centric bias.

  • Can your South East Asian datasets be used for fine-tuning Large Language Models (LLMs)?

    Yes. We specialize in preparing high-quality text and speech datasets specifically structured for LLM pre-training, SFT (Supervised Fine-Tuning), and RAG systems. Our data is curated to help models bridge the gap for low-resource languages, ensuring high performance in regional markets.

  • What types of South East Asian noise datasets do you provide?

    Our noise datasets are collected from authentic regional environments, including high-density urban traffic (scooters and tuk-tuks), bustling wet markets, and specific acoustic profiles like monsoon-season tropical rain. This is essential for building robust Speech Recognition (ASR) for real-world South East Asian settings.

  • Do you offer off-the-shelf South East Asian datasets or only custom collections?

    Short answer: "Both. We maintain a growing catalog of ready-to-deliver datasets for major regional languages and also design bespoke collection programs for rare dialects or specific domain-constrained data across the entire ASEAN landscape."
 

Data for Training AI: Key Aspects and Best Practices

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Other Types of Data for AI Training

South East Asian Parallel Corpora for Machine Translation and LLM Training 

For high-performance cross-lingual applications and Supervised Fine-Tuning (SFT), Pangeanic provides vast South East Asian Parallel Corpora—spanning pairs such as English-to-Thai, English-to-Vietnamese, and Indonesian-to-Malay—sourced from our extensive high-quality database and exclusive regional partnerships. We deliver clean, perfectly aligned segments optimized for training and fine-tuning Neural Machine Translation (NMT) engines and Large Language Models. Our data is specifically curated to handle the unique challenges of the region, including complex tonal alignment, multi-script tokenization (Thai, Burmese, Khmer), and regional dialects like Javanese or Taglish. All translated data undergoes strict quality controls via our PECAT platform to ensure it is linguistically accurate, culturally resonant, and valid for enterprise Machine Learning and localized AI initiatives.

person working in parallel corpora

At Pangeanic, we are uniquely equipped to manage large-scale South East Asian data projects, including challenging cross-regional and non-English combinations such as Thai-Vietnamese, Indonesian-Malay, and Vietnamese-Spanish. We are experts in managing large resources across diverse time zones and production peaks, working with more than 85 languages and complex pairs that demand specialized expertise in the region's unique scripts and tonal systems.

For South East Asian Machine Learning projects, Human Input is key to success, guaranteeing far less noise than generic web scraping or crowdsourcing. As developers of Neural Machine Translation systems specialized in the ASEAN region, we deeply understand the detrimental effects poor data quality can have on algorithms—especially when dealing with "low-resource" languages. We mitigate this risk by using scalable human processes, including native South East Asian linguists for dialectal validation (such as Javanese, Isan, or Taglish), combined with our extensive experience in quality control for translation services.

Pangeanic has an entire department dedicated to the rigorous collection, verification, cleaning, gathering, augmenting, and selection of South East Asian Parallel Data, ensuring the highest fidelity for your NMT and LLM training requirements. We specialize in transforming fragmented regional data into production-grade datasets that master tonal nuances and multi-script alignment.

Specialized South East Asian Data Annotation Services

We offer customized, high-quality South East Asian data annotation services designed to improve the performance and cultural relevance of your Machine Learning (ML) models and AI applications across the ASEAN region and global multilingual markets.

[Image of a data annotation workflow for multi-script and code-switching Southeast Asian languages]

Our customized services efficiently handle the extreme complexity of regional scripts—from the abugidas of Thailand, Cambodia, and Myanmar to the Latin-based systems of Indonesia, Vietnam, and the Philippines. We include crucial multimodal capabilities like multilingual video transcription and image annotation tailored for the region's diverse visual markers, signage, and localized text-in-image environments.

Our proprietary tool PECAT facilitates the labeling of national languages and complex regional dialects such as Javanese, Isan, and Singlish. PECAT incorporates a rigorous "human-in-the-loop" (HITL) quality control process, where expert native annotators validate data to ensure high accuracy in tonal alignment and the natural handling of code-switching. The tool also supports regional glossaries, multi-script regular expressions, and LLM integration for precise, large-scale labeling.

Key South East Asian Data Annotation Services & Use Cases:

  • Services: We provide specialized annotation including South East Asian Named Entity Recognition (NER) across diverse scripts, fine-grained sentiment analysis for tonal languages, Part-of-Speech (POS) tagging for unspaced text (like Thai or Khmer), and intent classification for bilingual or code-switched queries.

  • Use Cases: Our services are essential for training "Sovereign AI" and culturally aligned LLMs (such as SEA-LION), detecting hate speech and harmful bias in localized social media, and extracting specific financial, medical, or e-commerce insights across the burgeoning South East Asian digital economy.

person doing data annotatiion

South East Asian Speech Datasets for ASR and Conversational AI

We provide meticulously collected and annotated, dialect-specific South East Asian speech datasets, empowering your Automatic Speech Recognition (ASR) and conversational AI models to master the complexity of regional languages—including tonal nuances and code-switching—ethically and accurately.

  • Trusted by leading innovators in AI developing the next generation of multilingual voice assistants and automotive interfaces for the ASEAN market, from Jakarta to Bangkok.

  • Proven capability in managing high-volume, high-accuracy official transcription in complex, multi-dialectal environments. Our expertise in capturing the natural fluidity of regional dialects (such as Javanese, Isan, and Taglish) ensures your ASR models are robust enough for real-world, high-stakes applications.

Speech Data Collection and OTS

Other datasets you may be interested in...

 

African datasets

Arabic datasets

European datasets

Japanese datasets

Chinese datasets

Speech datasets

Image datasets

and many more

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