System and method for controlling sound output in vehicle

A system for controlling sound output in a vehicle, the system comprising:

• a sensing device configured to obtain vehicle information of the vehicle;
• a sound device configured to play and output a vehicle sound through speakers;
• a seat device configured to control seat vibration based on the vehicle sound;
• and
• a control device connected with the sensing device, the sound device, and the seat device,
• wherein the control device is configured to:
• determine a driving mode of the vehicle based on the vehicle information,
• perform sound shift control for the speakers based on the driving mode,
• control the seat vibration in conjunction with the sound shift control, and
• calculate a time delay for each of the speakers for playing and outputting a distributed sound source.