AppHearing is a sound amplifier app with customizable assistive hearing capabilities(AEC,AGC,DRC,ANS,EQ, etc). It amplify and clarify speech, ambient sounds from microphone, and playback through headphones or bluetooth speakers. With AppHearing everyone - even those with mild to moderate hearing loss - can enjoy a completely personalized listening and hearing experience. Important ambient sounds, peoples’ voices, are amplified, enhanced and adapted to suit individual hearing preferences and capabilities. The algorithms used by AppHearing include AEC(Acoustic Echo Cancellation), AGC(Automatic Gain Control), ANS(Automatic Noise Suppression), DRC(Dynamic Range Compression), EQ(Equalizer), etc. Disclaimer: The AppHearing app is not approved as a medical device or software and cannot be used as a hearing aid with doctor's prescription.