> But they did not, themselves, perceive the two sounds as being different sounds. This makes sense, thanks. I guess we generally don't perceive the different

> But they did not, themselves, perceive the two sounds as being different sounds. This makes sense, thanks. I guess we generally don't perceive the different sounds in our languages, like an English speaker generally won't perceive the difference between t͟hə and t͟hē (https://www.merriam-webster.com/dictionary/the https://www.merriam-webster.com/dictionary/the for audio).