Case study

Project overview

A multilingual speech data program to support automatic speech recognition and conversational AI across several target languages.

Client challenge

Needed monolingual speech recordings across multiple languages with consistent sample rates and transcription quality for ASR model training.

Data requirements

Monolingual audio, defined sample rate and channel configuration, verbatim transcription, speaker metadata and delivery schema.

Our approach

Recruitment and consent, pilot collection to validate quality, production collection, transcription and multi-level reviewer QA.

Data modality

Speech / audio, mono and dual channel, 8 kHz telephony-style recordings, multilingual.

Quality process and outcome

Annotator

Transcribes audio per project guidelines with speaker and turn metadata.

Reviewer

Samples transcripts for accuracy, speaker labels and formatting consistency.

Senior QA

Final validation against acceptance thresholds before secure delivery.

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