Measure and analyze audio frequencies with real-time scanning from internal or external microphone. Display audio level, noise level, range, current , oscilloscope, and spectrum analyzer. Calibrated for accuracy between 15 - 22500 Hz with +/- 0.
Learn through interactive with voice-enabled words and related images. Quiz feature allows users to test knowledge in English, Spanish, Chinese, Japanese, and Korean. View word with translations and supporting visuals.
With interactive lessons featuring over 6,000 , each with images, phonetic transcriptions, and native speaker pronunciations. Explore more than 15 thematic topics and 140 subtopics to build skills through structured content.
