Bass Enhancement

Loudspeakers which reproduce sound in the mid and high-frequency range are generally poor at reproducing low frequency sounds. Bass content is vital to movie effects and quality music to achieve a perceived high sound quality. AM3D Bass Enhancement approaches this problem by boosting the low frequency part of the signal and leaves the remaining part of the frequency range unchanged in terms of loudness and timbre. Through the application of our technology and drawing on our knowledge of how the human auditory system perceives low frequency tones, it is possible to create the perception of extreme bass enhancement by digital signal processing only. AM3D Bass Enhancement maximises the bass output depending on the amount of headroom available in the original signal. It is thus a non-linear bass enhancement process.

The AM3D Bass Enhancement can be used with all types of electro-magnetic speakers with poor low frequency playback capabilities. The solution consists of two dedicated algorithms targeted to the low frequency region (below 300 Hz) and to the low to mid frequency region (above 300 Hz). The latter algorithm is optimised specifically for micro-speakers used in e.g. mobile phones and having a very limited low frequency reproduction.