Dynamic sound effect switching method and system based on different scenes

The invention provides a dynamic sound effect switching method and system based on different scenes, and the method comprises the steps: enabling a background server to establish communication with online video software when a user starts to play an online video through the preset online video software on equipment; the background service obtains video information of the current online video from the online video software; uploading the video information to a sound effect algorithm library in which a plurality of sound effect schemes are stored, analyzing the video information, searching the sound effect scheme matched with the video information to obtain an online sound effect scheme, and performing sound effect output on the online sound effect scheme through a loudspeaker; and when it is detected that playing of the current online video is finished, the background service controls the loudspeaker to stop sound effect output. According to the method, the online video and the offline video are considered, th