Conversational speech · অসমীয়া
Assamese 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 Assamese, where assamese has the voiceless velar fricative /x/, unique among major indian languages and routinely mis-modelled.
- Language
- Assamese (as-IN)
- Dialects covered
- 4
- Typical programme
- 100-500 hours
- Cities
- Guwahati, Jorhat, Dibrugarh
What changes when the language is Assamese
The service specification stays constant across languages; the linguistics do not. For Assamese, three things drive the design of a conversational speech programme.
- Assamese has the voiceless velar fricative /x/, unique among major Indian languages and routinely mis-modelled
- Dialect spread: Kamrupi, Goalparia, Upper Assam (Sibsagar standard), Barak Valley contact varieties
- Assamese speech mixes Hindi, English and Bengali, with substantial contact influence in Barak Valley and tea-garden communities.
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 |
Assamese cohort design
Expect longer fielding times and higher per-hour cost than for Hindi or Marathi; the speaker pool with transcription-grade literacy is smaller.
| Dimension | Typical split | Why it matters for Assamese |
|---|---|---|
| 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 Assamese forms that younger urban speakers have lost |
| Region | Assam / Arunachal Pradesh / parts of Nagaland and Meghalaya 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
Assamese-specific quality rules
- Bengali characters substituted for Assamese ৰ / ৱ
- Goalparia and Kamrupi forms standardised to Sibsagar Assamese
- Tea-garden community speech excluded because transcribers cannot handle it
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 Assamese conversational speech engagement: 100 hours from 300 speakers, 50/50 gender, ages 18-45, spread across Guwahati, Jorhat, Dibrugarh, 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
Extremely low-resource. Almost no spontaneous Assamese speech data exists publicly, and non-standard dialects have none.
Frequently asked
How much does Assamese conversational speech cost?
Priced per delivered hour or unit against a written spec. The cost drivers for Assamese are dialect spread, demographic narrowness and recording condition, in that order.
Which Assamese dialects are included?
By default Kamrupi, Goalparia, Upper Assam (Sibsagar standard), Barak Valley contact varieties and others, tagged per speaker. You can also commission a single-dialect corpus if you are targeting one region.
Can you deliver Assamese 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 Assamese programme take?
4-7 weeks for 100-300 hours in one language.
Request a Assamese conversational speech quote
Hours, speakers, dialects, deadline. Send what you have.