Like to hear music with a thunderous volume? If so, would often encounter a problem where you have to lower the volume because the people around irritated. with Soundlazer, then you need not fear disturbing those around.
Soundlazer being developed by the speaker manufacturer named Sonic Technology. Richard Haberkern based on information that is representative of this project, Soundlazer uses ultrasonic waves to connect the sound from music player to a targeted audience in a position, results of this noise is not heard by other people that are around the listener.
Technically, Soundlazer works by sending an audio signal from a digital media player such as a smartphone or PC to the built-in digital signal processor for ADAU1701 then transmitted to an oscillator in which an electrical signal produced by high-speed on and off 40,000 times per second. The electrical signal is then amplified and directed to an ultrasonic piezo transducer 39''s Soundlazer responsible directionally sound. For its application itself can obviously be easily imagined. For example you can listen to music in the same room with friends without having to bother him.
Soundlazer generate output audio bitrate 120 dB at 40 kHz. Haberkern also said that the ideal distance between the speaker to the listener is about 1.5 meters. For the sales package, also provided support applications where you can adjust the audio waves out of the speakers. It is quite expensive, speakers and audio cables are priced at $ 175, not to mention the supporting applications for $ 500. The price is quite expensive to pay a comfort without disturbing others is not it? Soundlazer will be mass produced around August. ( lif )