The Intelligent Reading Specialist
SoundScout is LUCA's proprietary speech recognition engine. It hears individual sounds within words, detecting the specific errors that word-level recognition cannot identify.
What SoundScout Hears
Child reads:
/s/ /ɪ/ /p/
"sip"
Text expects:
/ʃ/ /ɪ/ /p/
"ship"
/sh/ to /s/ substitution detected: digraph weakness
Without Phoneme-Level Listening
Student reads "sip" instead of "ship"
Result: Marked incorrect. No further detail.
Teacher sees: 1 error on this word
No information about which sound caused the mistake.
Next step: General review
Practice may target skills the student has already mastered.
With SoundScout
Student reads "sip" instead of "ship"
SoundScout identifies a /sh/ to /s/ substitution at the onset position.
Pattern recognized: Digraph weakness
This is the third /sh/ substitution in 200 words, confirming a systematic gap.
Next step: Targeted /sh/ practice
StoryGen builds stories emphasizing /sh/ words at the student's reading level.
Every oral reading session moves through three steps, from raw audio to actionable signal.
Audio captured during oral reading is segmented into individual phonemes using advanced speech recognition. Each sound the student produces is isolated and timestamped.
Each spoken phoneme is matched against the expected phonemes from the text using 763,000+ grapheme-phoneme mappings in LUCADictionary. Mismatches between spoken and expected sounds are flagged with their position and type.
Detected errors are classified by type (substitution, omission, insertion, vowel confusion) and aggregated into patterns. This signal is sent to Assessment Intelligence to identify systematic weaknesses and drive targeted practice.
Each error type reveals a different underlying skill gap, enabling precise intervention.
| Error Type | Example | What It Reveals |
|---|---|---|
| Substitution | "sip" for "ship" | /sh/ to /s/ confusion (digraph weakness) |
| Omission | "bes" for "best" | Final consonant blend difficulty |
| Insertion | "buhlack" for "black" | Blend separation habit |
| Vowel Confusion | "bit" for "bet" | Short /e/ and short /i/ confusion |
SoundScout powers the Listen phase, the entry point for every reading session in the LUCALabs cycle.
Listen
SoundScout
Analyze
Assessment Intelligence
Build
StoryGen + JourneyBuilder
SoundScout captures what the student reads. Assessment Intelligence identifies patterns. StoryGen and JourneyBuilder create personalized practice that addresses the exact gaps found.
40%
Compared to word-level recognition, SoundScout identifies significantly more reading errors at the phoneme level. NSF validated.
SoundScout captures audio during oral reading and segments it into individual phonemes. Each spoken phoneme is aligned against expected phonemes from the text using LUCADictionary's 763,000+ grapheme-phoneme mappings.
Word-level recognition knows if a word was correct or incorrect. Phoneme-level recognition knows WHY it was incorrect, identifying which specific sound caused the error (for example, a vowel substitution or a skipped blend).
Other reading programs use word-level speech recognition that marks words right or wrong. SoundScout identifies specific sound patterns causing difficulty, enabling targeted intervention through JourneyBuilder and StoryGen.
Yes. SoundScout is designed to catch errors that word-level recognition misses entirely, like /th/ to /f/ substitutions or dropped final consonant blends.
Yes. LUCADictionary includes pronunciation variants accounting for regional differences, ensuring LUCA distinguishes between accent variations and actual decoding errors.
Create a personalized story and experience how LUCA builds reading practice around what your child loves.