Mouth shape correction method and device, medium and computing equipment

Abstract

The embodiment of the invention provides a mouth shape correction method. The method comprises the steps of obtaining key frames of user pronunciation videos; extracting mouth shape features of the key frames; classifying the key frames based on the mouth shape features; determining whether the classification result is consistent with the category of each key frame of a standard pronunciation video; and if not, performing corresponding prompt according to the category of a key frame of the standard pronunciation video. According to the method, whether the pronunciation mouth shape of a user isstandard or not can be determined according to the key frame in the pronunciation video of the user, so that the wrong pronunciation mouth shape is corrected, and better experience is brought to theuser. In addition, the embodiment of the invention further provides a mouth shape correction device, a medium and computing equipment.

Description

technical field [0001] Embodiments of the present invention relate to the field of spoken language evaluation, more specifically, embodiments of the present invention relate to a kind of mouth shape correcting method, device, medium and computing equipment. Background technique [0002] This section is intended to provide a background or context for implementations of the invention that are recited in the claims. The descriptions herein are not admitted to be prior art by inclusion in this section. [0003] In the process of language learning, learning correct oral pronunciation is also a very important part. However, in the past few years, oral English learning can only be done with offline teachers. With the development of technology, online oral English learning has become a trend In recent years, oral pronunciation scoring and correction are mainly based on the representation of speech features. [0004] However, the correctness of the mouth shape plays a vital role in...

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