Here are two videos I found explaining the basic sounds in Japanese.
The objective here is to train yourself to listen to the nuances in Japanese pronunciations.
(You can put hiragana and katakana aside for now, we’ll tackle them in the coming lessons.)
The first video walks you through the basic sounds in Japanese. Pay special attention to:
The second video is about:
Don’t worry, it’s less scary than it sounds!
If you want to refer to text, here’s a guide on Japanese prounciation on JapaneseUp.
Listen to these two audio files of basic sounds recorded by a native Japanese speaker. Be sure to mimic what you hear out loud to ensure you achieve the best possible pronunciation you can.