Auditory media

Features of auditory media

(1) Real-time: It can be produced and played instantly.

(2) Reproducibility: The sound signal can be recorded and stored at any time, and played at the right time. .

(3) Extensiveness: The spread of broadcasting is very wide.

(4) Vividness: The sound has rich intuition, strong emotional color and artistic charm, which is easy to arouse the interest of readers.

Auditory media type

1. Recording media

Recording is the most commonly used auditory media in teaching. Commonly used recording methods so far include mechanical recording (records), academic recording (movie tracks), magnetic recording (tape) and laser digital recording. With the development of electronic technology, cassette tape recorders have been fully popularized.

2. Radio broadcasting

Radio broadcasting teaching is an open teaching system. It sends out teaching information in the form of high-frequency electromagnetic waves sent from the sending end, and students use the radio to listen to the teaching program for learning.

3. CD laser record system

CD is a laser type digital audio record, also called a record. Usually refers to a small digital audio record system that uses a laser method. It has the unparalleled advantages of traditional analog records, that is, high signal-to-noise ratio, wide dynamic range, low distortion, no jitter, and high degree of automation. There are also advantages such as high density of recorded information, long life, no fear of dust, complete functions, convenient operation, and good sound quality, which are beyond the reach of ordinary tape and record systems.