There are a couple of reasons, if the cat isn't very old it might just be the way the cat has matured. It could be that the cat is just using a different meow than normal as they tend to have a couple of different noises that they use in different situations or, the pitch might have changed if the cat is in pain or not feeling good.
what you do is you say ow not meow in a cat pitch.
a cats voice
No. Cats will vocalize around other cats, and a mother cat will meow to call her kittens.
Birman cats do not meow a lot; in fact, they are known for being docile and quiet.
Yes, all kittens meow even cats meow.
by their mouth
meow. meow.
taking too much meow meow
what you do is you say ow not meow in a cat pitch.
A silent meow doesn't mean anything i know this may sound strange but quite a lot of cats cannot meow they try but they can't. i have 2 female cats and they both cannot meow.
cats meow.
Cats , in a general manner, say "meow".