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Gain early language insights in research and clinical applications.

Reliable, detailed language environment data with convenient access and security.

LENA SP provides a richly detailed picture of a child’s language environment, for researchers, speech-language pathologists, professionals working with children who are deaf or hard of hearing (DHH), and others who need detailed, scientifically reliable speech-language measurements of children 2 months to 48 months old.

LENA recording technology captures a full day of language at a time, while the software system automatically analyzes and segments audio data. Flexible uploading and processing via a secure cloud-based service simplifies logistics of working with multiple children and sites and provides secure access from anywhere, 24/7. Data include validated percentiles for adult words, conversational turns (serve-and-return interactions), and child vocalizations. Audio recording may be retained at user option (in this version of LENA only), so professionals working under confidentiality requirements or informed consent agreements can perform more granular analysis where necessary.

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Comprehensive reports

Sophisticated algorithms turn audio into data with a high degree of comparability to manual transcription. See a sample.

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The LENA Online portal

Manage program data through LENA Online for scalability, access, and outcome-tracking.

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Optional storage of audio

Audio can be stored locally, and count data can be accessed from any location or device through a secure cloud server.

LENA Online™ resources

Online videos and printable handouts make it easy to teach families how to use LENA; resources are available in both Spanish and English.

English/Spanish book icon

Comprehensive reports

Sophisticated algorithms turn audio into data with a high degree of comparability to manual transcription. See a sample.

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The LENA Online portal

Manage program data through LENA Online for scalability, access, and outcome-tracking.

English/Spanish book icon

Secure storage of audio

Audio can be uploaded and accessed from any location or device through secure cloud server.

LENA Online™ resources

Online videos and printable handouts make it easy to teach families how to use LENA; resources are available in both Spanish and English.

What can I do with LENA SP?


LENA SP allows users to access data on many aspects of a child’s language environment, including the number of conversational turns and adult words, how much of the day the child was exposed to talk, and more. With LENA SP you can:

  • Access raw data and, at user option, high-quality audio files underlying the reports to perform analyses including transcription, language samples, spectral analysis, etc.
  • Manage program data through LENA Online for scalability, access, and outcome-tracking.
  • Access the Developmental Snapshot assessment, a validated 52-item caregiver-completed questionnaire that measures a child’s expressive and receptive language development.
  • View AVA (Automatic Vocalization Assessment) scores, a unique measure of the similarity of a child’s patterns of vocalizing to those of a reference sample of typically developing children around the same age. Reported as an age standardized score to facilitate tracking over time.

Who is using LENA SP?

Funding through the National Institute on Disability, Independent Living, and Rehabilitation Research (NIDILRR), and the Disability Research and Dissemination Center (DRDC) has enabled collaboration between the University of Colorado-Boulder and LENA to support pilot testing, refinement, and enhancement of LENA SP. Other current partners incorporating LENA SP into their interventions and research studies include:


Ready to learn more?

Get started by watching a short webinar on the data and metrics available in LENA SP or schedule a call with our team.

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