Of course, it’s brave to state that noise cancelling is in general fraud, but let’s investigate several cases. There are lots of headphones, from Cowin to Edifier stock prices with a bunch of trustworthy features, some of them more or less significant, but the most spiking – noise cancelling. The latter is boasted to eliminate side sounds of the environment, except the playing (AUX) input.
Several key points are worth discussing:
- Mic input & noise cancellation – voice has to be echoed to the headphones speakers firstly, to render it significant to an extent at least, somehow. As it’s an additional feature, controlled by a button, it rarely makes sense in this case.
- Sound input external noise elimination, mic-sensing the noise; this, to an extent, make sense, because the noise sounds can be interfering with the headphones e. g. playing music. However, to state it clearly, the sound ranges, input, have to be covered by noise, and then playing sound boosted, but it already is exceeding its record levels, peaking them to the heights. Otherwise, other than playing sound frequencies ranges have to be eliminated in the environment, or prevented to be input in the sound stream. This is called noise isolation, but not cancelling, because cancelling is boosting the perimeter of played music, at the cost of its quality and intensifying its signal – which is really disturbing environment open solution.
In conclusion, sound cancelling looks like an attractive feature, on demand by frequent commuters, air travelers and conferencing persons. It is affordable in general, but signifies normal, non isolated environment usage tendencies – which is fine, by the way.