【實用工具app】Voice vision|最夯免費app-綠色工廠好玩App

This is a utility to help visual impaired persons to get a quick view of the surrounding environment by the camera.It helps you to detect walls,doors,windows,light sources.You can use it to know object's colors .This application convert image from the back camera to sound . It scans from left to right ,one to four times per second .A pixel from the image generate a tone at pitch from 440HZ to 15000HZ,the brightness controls the loudness of the tone. The pixels from the top generate high pitch sounds , and the pixels from the bottom of the image generate low pitch sounds . There are about 30 pixels generate sounds at the same time ,like 30 peoples sing together with different loudness.There is a realtime color picker , which tells you the color name of the pixel of the center of the video frame .There is a image color analyzer ,which report the percentage of colors of a image .