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Czech Spontaneous IVR

Short spontaneous responses to IVR prompts, recorded by native Czech speakers in quiet environments. Human-verified transcripts with utterance-level timestamps support voice interface development, intent recognition, production ASR, and automated customer interaction systems.

Dataset Overview

Localecs-CZ
Dataset TypeSpontaneous IVR
Audio Format16 kHz / 16-bit PCM WAV
DomainGeneral
Commercial LicenseIncluded
Human VerifiedYes

Commercial License

Cleared for production AI development and model training.

Native Speakers

Native Czech speakers covering Czech.

Human Verified

Human transcription with review, reviewed before delivery.

Production Ready

16 kHz / 16-bit PCM WAV with structured, validated metadata.

Audio Samples

Hear the data before you license it.

A representative audio excerpt from this dataset. Full transcripts and speaker metadata are delivered with licensed data.

Audio Sample 1

cs-CZ
0:00 / 0:06

25–34 · Czech

Specifications

Built to a documented standard.

Every delivery matches the recording, audio, and annotation specification below.

Recording

Dataset TypeSpontaneous IVR
EnvironmentQuiet
Scenario

Spontaneous caller responses to IVR prompts recorded in quiet environments.

Audio

FormatWAV (PCM)
Sample Rate16 kHz
Bit Depth16-bit
ChannelsMono

Annotation

  • Human Transcript
  • Speaker ID
  • Timestamps
  • JSONL / TXT

Utterance-level timestamps

Speaker Profile

Balanced, documented speaker coverage.

Speakers

Native Czech speakers

Gender Distribution

Balanced

Age Range

18–60

Regional Coverage

Czech

Quality Assurance

Verified at every stage of delivery.

Native-speaker recordings
Human transcription and review
Structured, validated metadata
Use Cases

What teams build with this dataset.

Automatic Speech Recognition

Train and benchmark ASR models against human-verified reference transcripts.

Conversational AI

Improve turn-taking, intent detection, and dialogue state tracking.

Voice Agents

Build voice assistants that hold up against real conversational speech.

Commercial Licensing

License this dataset for production AI.

Commercial licensing for production AI development. Terms are shared on request; evaluate representative samples before purchase.

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