If you think that your blender is way too noisy then you can simply replace it with any other quiet blender. And if you don't have money to invest in it, then you can simply do some easy hacks to reduce the noise. What you can do is just shift it to some other place where there is no one to get disturbed by the noise, also, you can put a towel around it to restrict the sound and there are other ways that can be used to reduce the noise. You can check on YouTube tutorials.