Jun 19, 2022
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If no special treatment is done, the bulk sms send robot will recognize the sound it makes, and it is very likely that it will become endless self-questioning, or pick up the wrong sound. Echo cancellation is to solve this problem, to bulk sms send eliminate the sound of the machine itself. For example, in the home scene, your speaker is playing Jay Chou's new song, but you want to check the weather, at this time you will say "Xiao X, today's weather". The purpose of echo cancellation is to remove the music information and preserve your voice. In fact, echo cancellation may not be easy to understand. It is sometimes called "self-recognition", that is, it recognizes the bulk sms send sound it makes by itself. 4. Reverberation cancellation In some scenes, there will be echoes of pronunciation, and people can hear the bulk sms send echoes returned at a distance of about 17 meters. However, the perception of machines is much more sensitive than that of humans. If no processing is done, there will be a situation where a sentence is superimposed and recognized. Reverberation often refers to bulk sms send the phenomenon in which sound waves are reflected by obstacles such as walls, ceilings, and floors when propagating indoors, and superimposed with direct sound. For example, in a studio, we can feel more obvious echoes, and machines can also recognize these echoes. Reverberation elimination is to bulk sms send eliminate the echo brought by, and only identify the content of the first pass.