![]() ![]() ![]() Bluetooth headsets also use the same technology so you aren't tied down to holding your phone to your head to get the same outcome.Īnother company pushing the cancellation technology is Li Creative Technologies, and they've got some comparisons on how noise cancellation can alter the way your call sounds - it's the hiss in the background that gets hit the hardest, as you can hear. This ensures that only the sound of your voice is sent to your contact's handset. Working out which is your voice and which isn't is the tricky bit, but once that's done your phone will apply a negative sound wave to the call: put simply, it counteracts whichever sound is unwanted and makes it inaudible by reversing it. The two microphones send a signal to your handset's processor, and it compares the two soundwaves coming in. As your voice hits the primary microphone, it comes in much stronger than when it hits the secondary. Today things are completely different as a second microphone can help remove the sound of those road works. Old feature phones particularly struggled in this area, unable to cope due to single microphones and the lack of power that sat underneath the hood. Only a few years ago this would have meant that a mobile call would have been nigh-on impossible as you get drowned out by the machinery. ![]() Imagine a scenario when you're walking past some really loud roadworks whilst on the phone. This means that the HTC One, LG G2, Galaxy S4 and Galaxy S5 all include the technology.Īnd even lower-end phones will be packing the noise cancelling technology, although many will be devoid simply because it costs more to chuck in another microphone or two. These chips are the same ones that are found within any number of the highest end flagships, whilst also making its way down to even a few budget handsets.Īll phones running a Snapdragon SoC, including the 800 and latest Snapdragon 801, include Fluence. Its Fluence technology is built into a number of its chips. One company making strides in noise reduction is Qualcomm. With a secondary microphone located elsewhere, usually near the top and on the back of the handset (so it doesn't pick up so much speech), a lot of background noise can be removed. Most microphones are so well hidden you can barely see them ![]()
0 Comments
Leave a Reply. |