The marriage of digital technology and film can be divided into four stages.

Does the subject want to ask, "What are the four stages of the marriage between digital technology and film?" Digital post-production, digital photography, digital projection, virtual reality.

1, Digital Post-production: Digital technology was applied in the later stage of film production for special effects production, image processing and restoration.

2. Digital photography: With the development of digital photography technology, movies began to be shot with digital cameras, replacing traditional film photography.

3. Digital projection: With the emergence of digital projection technology, cinemas can use digital projection equipment to play movies instead of traditional film projection.

4. Virtual reality: With the development of virtual reality technology, movies began to explore new forms of bringing audiences into the virtual world or interacting with the real world.