Conversational speech · తెలుగు
Telugu Conversational Speech Data
Natural two-party and multi-party conversation recorded with separate channels per speaker, covering the overlaps, interruptions and turn-taking that scripted data never produces. This page covers how that works specifically for Telugu, where vowel-length contrasts are phonemic and short/long confusion changes meaning outright.

- Language
- Telugu (te-IN)
- Dialects covered
- 4
- Typical programme
- 500-2,000 hours
- Cities
- Hyderabad, Vijayawada, Visakhapatnam
What changes when the language is Telugu
The service specification stays constant across languages; the linguistics do not. For Telugu, three things drive the design of a conversational speech programme.
- Vowel-length contrasts are phonemic and short/long confusion changes meaning outright
- Dialect spread: Telangana, Coastal Andhra (Godavari), Rayalaseema, Srikakulam
- Hyderabad speech mixes Telugu, Urdu/Deccani, Hindi and English. A Telugu dataset for Hyderabad deployment must include Urdu-origin vocabulary.
Technical specification
| Parameter | Standard |
|---|---|
| Channels | One channel per speaker, time-aligned |
| Duration | 15-60 minutes per conversation |
| Topics | Scenario cards, free topics, or your domain scripts |
| Overlap | Preserved and tagged, never edited out |
| Metadata | Relationship between speakers, familiarity, topic, setting |

Telugu cohort design
Split cohorts explicitly between Telangana and Andhra Pradesh and tag every speaker; models trained without the tag cannot be evaluated per region.
| Dimension | Typical split | Why it matters for Telugu |
|---|---|---|
| Gender | 50 / 50 | Pitch range differences change acoustic model behaviour; unbalanced cohorts bias recognition |
| Age | 18-25: 30%, 26-40: 40%, 41-60: 30% | Older speakers retain conservative Telugu forms that younger urban speakers have lost |
| Region | Andhra Pradesh / Telangana / parts of Karnataka and Odisha and others | Dialect spread across 4 recognised varieties |
| Education | Mixed, including below-graduate | Prompt-reading fluency correlates with education and skews prosody |
| Condition | Studio / quiet room / field | Match the noise profile of your deployment |
Process
- Scenario design so conversations stay on-domain without becoming scripted
- Speaker pairing by familiarity level as specified
- Multi-channel recording with per-speaker isolation
- Diarisation-ready packaging
- Verbatim transcription with speaker turns and overlap tags
Telugu-specific quality rules
- Telangana forms normalised to Coastal Andhra standard
- Long/short vowel marking errors under time pressure
- Urdu loanwords rendered inconsistently in Telugu script
Conversations are checked for naturalness, not just audio quality. Sessions that drift into reading are rejected.
Deliverables
- Per-speaker channels plus mixed reference
- Turn-level transcripts
- Overlap and backchannel tags
- Conversation metadata
Worked example
A representative Telugu conversational speech engagement: 500 hours from 1,000 speakers, 50/50 gender, ages 18-45, spread across Hyderabad, Vijayawada, Visakhapatnam, recorded to the specification above and delivered in WAV with a per-utterance manifest.
Timeline: 4-7 weeks for 100-300 hours in one language.
Where this data is missing today
Coastal Andhra read speech dominates. Telangana rural and Rayalaseema speech is thin, despite Hyderabad being the largest deployment market.
Frequently asked
How much does Telugu conversational speech cost?
Priced per delivered hour or unit against a written spec. The cost drivers for Telugu are dialect spread, demographic narrowness and recording condition, in that order.
Which Telugu dialects are included?
By default Telangana, Coastal Andhra (Godavari), Rayalaseema, Srikakulam and others, tagged per speaker. You can also commission a single-dialect corpus if you are targeting one region.
Can you deliver Telugu data in our format?
Yes. Per-speaker channels plus mixed reference is the default, but naming, schema and directory structure follow your pipeline.
How long does a Telugu programme take?
4-7 weeks for 100-300 hours in one language.
Request a Telugu conversational speech quote
Hours, speakers, dialects, deadline. Send what you have.