Articles
Guides to collecting Indian speech and AI training data
146 practical articles on specifying, pricing, collecting and validating Indian language datasets — written from the operational side of the work, not the marketing side.
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- Buying guidesHow do you write a speech data RFP?A speech data RFP should specify eight things: languages and dialect quotas, speaker count, minutes per speaker, demographic splits, recording condition an
- ComplianceWhat consent do you need to use Indian speech data for AI training?You need written, informed consent taken in the speaker's own language, explicitly covering commercial AI and machine-learning model training, the term of
- Market analysisWhy do AI models underperform on Indian languages?Indian-language models underperform mainly because of data, not architecture. Public corpora for most Indian languages are small, read-speech heavy, urban-
- Data designShould you collect scripted or spontaneous speech data?Collect both, in a ratio set by your deployment. Scripted speech gives phonetic coverage cheaply and is the right base for TTS and for early ASR bootstrapp
- Buying guidesHow do you choose a speech data collection company in India?Choose on four things: whether they own the recruitment layer or only book studios, whether they can show a written annotation guideline per language, how
- ProcessHow long does a speech data collection project take?A 100–300 hour single-language Indian corpus typically takes three to six weeks from signed scope to final delivery, with rolling batches from week two. Mu
Collection guides
14 articles- How do you collect Hindi speech data for ASR training?
- How do you collect Marathi speech data for ASR training?
- How do you collect Tamil speech data for ASR training?
- How do you collect Telugu speech data for ASR training?
- How do you collect Kannada speech data for ASR training?
- How do you collect Bengali speech data for ASR training?
- How do you collect Gujarati speech data for ASR training?
- How do you collect Malayalam speech data for ASR training?
- How do you collect Punjabi speech data for ASR training?
- How do you collect Odia speech data for ASR training?
- How do you collect Assamese speech data for ASR training?
- How do you collect Urdu speech data for ASR training?
- How do you collect Hinglish speech data for ASR training?
- How do you collect Indian English speech data for ASR training?
Buying guides
26 articles- What does a Hindi speech dataset cost?
- What does a Marathi speech dataset cost?
- What does a Tamil speech dataset cost?
- What does a Telugu speech dataset cost?
- What does a Kannada speech dataset cost?
- What does a Bengali speech dataset cost?
- What does a Gujarati speech dataset cost?
- What does a Malayalam speech dataset cost?
- What does a Punjabi speech dataset cost?
- What does a Odia speech dataset cost?
- What does a Assamese speech dataset cost?
- What does a Urdu speech dataset cost?
- What does a Hinglish speech dataset cost?
- What does a Indian English speech dataset cost?
- What should ai companies know before buying Indian speech data?
- What should speech ai companies know before buying Indian speech data?
- What should llm companies know before buying Indian speech data?
- What should conversational ai companies know before buying Indian speech data?
- What should call centre ai companies know before buying Indian speech data?
- What should voice assistant companies know before buying Indian speech data?
- What should ai data companies know before buying Indian speech data?
- What should ml research groups know before buying Indian speech data?
- How do you write a speech data RFP?
- Should you collect speech data in-house or outsource it?
- How do you choose a speech data collection company in India?
- What should global AI teams know about buying Indian language data?
Language data
14 articles- How do you collect Hindi-English code-mixed speech data?
- How do you collect Marathi-English code-mixed speech data?
- How do you collect Tamil-English code-mixed speech data?
- How do you collect Telugu-English code-mixed speech data?
- How do you collect Kannada-English code-mixed speech data?
- How do you collect Bengali-English code-mixed speech data?
- How do you collect Gujarati-English code-mixed speech data?
- How do you collect Malayalam-English code-mixed speech data?
- How do you collect Punjabi-English code-mixed speech data?
- How do you collect Odia-English code-mixed speech data?
- How do you collect Assamese-English code-mixed speech data?
- How do you collect Urdu-English code-mixed speech data?
- How do you collect Hinglish-English code-mixed speech data?
- How do you collect Indian English-English code-mixed speech data?
Voice & TTS
14 articles- How do you record a Hindi TTS voice dataset?
- How do you record a Marathi TTS voice dataset?
- How do you record a Tamil TTS voice dataset?
- How do you record a Telugu TTS voice dataset?
- How do you record a Kannada TTS voice dataset?
- How do you record a Bengali TTS voice dataset?
- How do you record a Gujarati TTS voice dataset?
- How do you record a Malayalam TTS voice dataset?
- How do you record a Punjabi TTS voice dataset?
- How do you record a Odia TTS voice dataset?
- How do you record a Assamese TTS voice dataset?
- How do you record a Urdu TTS voice dataset?
- How do you record a Hinglish TTS voice dataset?
- How do you record a Indian English TTS voice dataset?
Service explainers
12 articles- What is speech data collection and how does it work?
- What is voice recording for ai training and how does it work?
- What is asr training data and how does it work?
- What is tts training data and how does it work?
- What is conversational speech data and how does it work?
- What is call centre speech data and how does it work?
- What is transcription services and how does it work?
- What is translation & localisation data and how does it work?
- What is audio annotation and how does it work?
- What is ai voice evaluation and how does it work?
- What is multilingual data collection and how does it work?
- What is human data for llm projects and how does it work?
Model & data planning
12 articles- How much training data do you need for asr model training?
- How much training data do you need for tts voice building?
- How much training data do you need for wake word detection?
- How much training data do you need for ivr & voice bots?
- How much training data do you need for speaker diarisation?
- How much training data do you need for accent adaptation?
- How much training data do you need for code-switching asr?
- How much training data do you need for voice biometrics?
- How much training data do you need for speech emotion recognition?
- How much training data do you need for llm evaluation?
- How much training data do you need for machine translation?
- How much training data do you need for speech analytics?
Evaluation
14 articles- How do you build an evaluation set for asr model training?
- How do you build an evaluation set for tts voice building?
- How do you build an evaluation set for wake word detection?
- How do you build an evaluation set for ivr & voice bots?
- How do you build an evaluation set for speaker diarisation?
- How do you build an evaluation set for accent adaptation?
- How do you build an evaluation set for code-switching asr?
- How do you build an evaluation set for voice biometrics?
- How do you build an evaluation set for speech emotion recognition?
- How do you build an evaluation set for llm evaluation?
- How do you build an evaluation set for machine translation?
- How do you build an evaluation set for speech analytics?
- What is word error rate and how should data buyers use it?
- How do you measure transcription quality in a delivered corpus?
Locations
20 articles- What does speech data collection in Mumbai involve?
- What does speech data collection in Delhi involve?
- What does speech data collection in Bengaluru involve?
- What does speech data collection in Hyderabad involve?
- What does speech data collection in Chennai involve?
- What does speech data collection in Pune involve?
- What does speech data collection in Kolkata involve?
- What does speech data collection in Ahmedabad involve?
- What does speech data collection in Lucknow involve?
- What does speech data collection in Jaipur involve?
- What does speech data collection in Guwahati involve?
- What does speech data collection in Bhubaneswar involve?
- What does speech data collection in Kochi involve?
- What does speech data collection in Chandigarh involve?
- What does speech data collection in Nagpur involve?
- What does speech data collection in Coimbatore involve?
- What does speech data collection in Vijayawada involve?
- What does speech data collection in Indore involve?
- What does speech data collection in Patna involve?
- What does speech data collection in Surat involve?
Data design
6 articles- Should you collect scripted or spontaneous speech data?
- How much dialect coverage does an Indian speech dataset need?
- How do you collect wake word training data?
- Is speaker diversity or total hours more important in a speech corpus?
- Can synthetic speech data replace real recordings?
- How do you build a multilingual Indian speech corpus?
Recording specs
3 articlesCompliance
3 articlesMarket analysis
1 articlesProcess
2 articlesAnnotation
1 articlesLLM data
1 articlesDomain data
2 articlesDelivery
1 articlesHave a dataset to scope?
Tell us the languages, speaker count, minutes and quality target. You get a written scope and a fixed price within one working day.