The first batch of national standards for digital textbooks for primary and secondary schools will be implemented on November 1
Digital textbooks should be "reviewed for all editors"
On April 15, the State Administration for Market Regulation and the National Standardization Administration approved the release of "Metadata of Digital Textbooks for Primary and Secondary Schools", "Quality Requirements and Testing Methods for Digital Textbooks for Primary and Secondary Schools in Digital Textbooks", and "Basic Process of Publishing Digital Textbooks for Primary and Secondary Schools in Digital Textbooks". "Three recommended national standards will be implemented on November 1 this year.
A reporter from Beijing Youth Daily noticed that the new standard specifically limits the length of videos.
Among them, the content of a single video should not exceed 20 minutes in primary school and 25 minutes in middle school.
Digital textbooks should not be unable to be opened, etc.
Since 2017, new policies in the construction of teaching materials, education informatization, and prevention and control of myopia in children and adolescents have appeared frequently.
Digital textbooks for primary and secondary schools for minors have higher publishing quality requirements than general online publications.
The "Quality Requirements and Testing Methods for Digital Textbooks in Primary and Secondary Schools" proposes that digital textbooks should not have data corruption, abnormal error reports, and inability to open.
At the same time, the error rate is strictly required.
Among them, the text error rate should be ≤0.0025%, and the error rate of pictures, images, audio and video should all be ≤0.005%, and the interactive content should have no logical errors and no major content errors.
The new standard makes clear requirements for text font size
In order to prevent and control young people's myopia, the new standard specifically stipulates whether digital teaching materials can be "see clearly" on personal learning terminal display devices and classroom large screens.
For example, on the display device of the personal learning terminal, the text content of the first and second grades of compulsory education should have the largest display size of the characters, and the printing effect should be ≥16P characters (1P is approximately equal to 0.35mm), and the text line space is ≥5 mm; For the fifth to ninth grades of compulsory education and high school text content, the display size of the words should be ≥12P.
The digital teaching materials displayed on the large screen in the classroom have larger words and larger spaces between the words.
Among them, the text content of the first and second grades of compulsory education should be displayed on the screen with a display effect of ≥28P words; the text content of the fifth to ninth grades of compulsory education and senior high school should be displayed on the screen. The effect should be ≥21P words.
The length of a single video content should not exceed 20 minutes in elementary school
In addition to pictures and images of historical information, the display resolution of pictures and images in digital textbooks should not be lower than 720 pixels, and there should be no serious distortion problems such as obvious distortion and blur.
The video picture quality is required to be clear, without obvious picture flicker, jitter, freeze, too bright or too dark.
The new standard specifically limits the video duration.
Among them, the content of a single video should not exceed 20 minutes in primary school and 25 minutes in middle school.
Different from general publications, primary and secondary school textbooks have statutory special publication process requirements.
The "Basic Process of Publishing Digital Textbooks for Primary and Secondary Schools" proposes that review and approval are legal steps that should be carried out before the official publication and release of digital textbooks for primary and secondary schools, and a necessary process to ensure the political nature of digital textbooks. "Basic Principles.
This group of articles / reporter Lin Lishuang co-ordinator / Yu Meiying