A bit like Phonemica. This website has recordings of different accents in Chinese language, including both by native speakers and non-native speakers. Read more.

hanyu123.weebly.com

This clip introduces all the initials and finals in Pinyin (using the first tone). It adds value to the rest of the resources here because the camera is pointed to the speaker’s mouth, showing clea... Read more.

youtube.com

This is probably one of the best resources for upper-intermediate or advanced learners of Chinese who want to learn something using their Chinese. Khan Academy has hundreds of videos about differen... Read more.

youtube.com

This site collects almost a thousand textbooks used in Chinese schools, ranging from grade 1 up to senior high school. Subjects cover Chinese, mathematics, English, physics, chemistry, biology, his... Read more.

dzkbw.com

Another web-based resource with recorded audio for all syllables with all tones. You can also get the “spelling” of the syllable read to you, ie. Initial, final and then the whole syllable. Read more.

lost-theory.org

From the about page: Phonemica is a crowd-sourced project to record spoken stories in every one of the thousands of varieties of Chinese. We believe that each language and dialect is a priceless... Read more.

phonemica.net

This is a research paper detailing a study of the mutual intelligibility of Chinese topolects. Dialects were sorted into groups and then it was experimentally tested how much of words and sentences... Read more.

openaccess.leidenuniv.nl