It is possible to learn the vocal technique through the pages of a book, video, or even a program, but you must seek out guidance from a teacher who is experienced. Teachers are able to "hear" as well as "see" the things that a beginner singer cannot.
Do you feel that your progress has stopped and/or you're having difficulties with your voice that you are unable to fix? If the answer is yes, then you're probably right that you require an instructor for your voice. Vocal instruction is beneficial for the singer who is aspiring. You can hire an experienced vocal coach in Sydney.
A coach can assist you to improve your voice and remove issues. A coach can assist you to correct any issues you aren't conscious of. A coach can assist you to improve your technique, expand the range of your voice, boost your tone, and even teach techniques for developing a vibrato.
The first thing to remember is that everyone's progress is different. You must ensure that you're not hurrying. If you're not rushing through the exercises, it's good to have a teacher who is knowledgeable about the methods in the course.
Whatever you are doing requires hands-on instruction. Like learning how to drive an automobile. It is possible to study all the rules but until you actually implement those rules in practice, you aren't aware of the significance.