Audio: smartphone terms explained

3 terms. Back to the full glossary.

Stereo speakers

Two speakers, usually one at the bottom and one in the earpiece, for left and right sound. It gives fuller sound for video and games. Loudness and clarity vary a lot. Mono speakers are common on cheaper phones. Related: Dolby Atmos, Hi-Res Audio.

Dolby Atmos

A surround-sound format and processing from Dolby that gives a wider, more immersive sound. On a phone speaker the effect is software processing. It is more noticeable on headphones with supported content. Related: Stereo speakers, Dolby Vision, Hi-Res Audio.

Hi-Res Audio

A label for audio at higher quality than CD, usually 24-bit and higher sample rates. You need hi-res files, a capable player and good wired headphones or compatible wireless codecs to hear a difference. Many listeners cannot tell it apart. Related: Bluetooth audio codecs, 3.5mm headphone jack, Stereo speakers.