Is the alto film metal film or paper film better?

The metal film and paper film of the alto film should not be directly compared. The material of alto sound film can be metal film or paper film. Each material has its advantages and disadvantages. We can't simply say which one is better. We should choose the sound film that suits us according to the specific needs and application scenarios. Metal film has the advantages of stable structure, accurate frequency response, high signal transmission efficiency, high resolution and dynamic range, and is suitable for music production and hi-fi sound system. However, the cost of metal film is high, which is more expensive for ordinary consumers, and it is easy to cause problems such as * * * vibration and harmonics. Paper film has low cost, good damping performance, good timbre and sound quality, and is suitable for general sound systems and daily entertainment. However, the structure of paper film is easily influenced by environmental factors such as humidity and temperature, aging and deformation, and may not meet the requirements of high definition audio system. To sum up, metal film and paper film have their own application scenarios, so it is necessary to choose the appropriate sound film according to the specific needs and application scenarios.