The invention relates to the technical field of computers, in particular to an
LED display method with volume level indication and playing and singing guidance, and the method comprises the steps: collecting a playing
audio signal of a user in real time when the user carries out playing, carrying out the preprocessing of the playing
audio signal, carrying out the analysis of the preprocessed playing
audio signal, and carrying out the display of the volume level indication and playing and singing guidance. Extracting corresponding music elements, wherein the music elements comprise volume, intonation and
rhythm; the display mode of an
LED lamp is adjusted according to the music elements, volume level indication and playing and singing guidance are sent to a user based on the display mode of the
LED lamp, and the display mode comprises
LED lamp brightness and
flicker frequency; and judging whether the user plays correctly or not, when the user plays correctly, the LED lamp displays green and continues, when the user plays wrongly, the LED lamp displays red and continues, and if the continuous playing is wrong, the LED lamp displays red and flickers. According to the invention, richer and more personalized teaching experience can be provided.