Smartphone audio quality is important. Not only do we listen to audio via headphones, but we also rely on the built-in speaker. Several factors impact smartphone audio quality including the built-in speaker, the DAC, and the audio amplifier. Introduction to Android app development: https://www.dgitacademy.com Let Me Explain T-shirt: https://teespring.com/gary-explains-let-me-explain-2 Twitter: https://twitter.com/garyexplains Instagram: https://www.instagram.com/garyexplains/ #garyexplains