This video has good sound quality and repeats the sentences clearly with good pronuciation. It has correct Pinyin as subtitles. Later in the video you get also detailed explanation for each word.
nǐ jiào shén me míng zì ? : What's your name? hěn gāo xìng rèn shí nǐ : Nice to meet you. gāo xìng : happy
This video (see at YouTube) is of beginner level difficulty. It has subtitles in Pinyin and Chinese characters. We especially recommend this video.