一、视听资料的概念的再界定现行三大诉讼法，都将视听资料作为一种诉讼证据加以规定，但对于视听资料的概念的界定，都是学理上的观点。有的学者将视听资料概括为“是储存在磁带等物质载体中、能够证明案件真实情况的音响、图像资料。”有的教材将视听资料表述为“能够证明案? First, the redefinition of the concept of audio-visual data The current three major procedural law, audio-visual materials are as a litigation evidence to be provided, but for the definition of audio-visual materials, the concept is the academic view. Some scholars summarize the audio-visual material as “audio and image data stored in a carrier such as a magnetic tape to prove the real situation of the case.” Some teaching materials describe audio-visual materials as "able to prove the case?