NEMa - note energy matrix. App records sound (30sec) and calculate recorded sound spectrum.Spectrum is calculated and shows as note energy matrix or as note energy chart.There are two modes to calculate NEMa:1) Accurate, in this mode range is 0.6% of the base frequency (note frequency);2) Rough, in
android.permission.WRITE_EXTERNAL_STORAGE: Allows an application to write to external storage. android.permission.RECORD_AUDIO: Allows an application to record audio. android.permission.READ_EXTERNAL_STORAGE: Allows an application to read from external storage.