Patent ID: 11863146
Assignee: WHELEN ENGINEERING COMPANY, INC.
Field: Control (Instruments)
Classification: CPC G  H | IPC H

Claim 3:
4. A method for providing an emergency sound alert, comprising:
reading, using one or more processors, tone information and volume level information corresponding to an emergency sound generator associated with a vehicle from memory coupled to the one or more processors; and
controlling, using the one or more processors, an output sound of the emergency sound generator based on the tone information and volume level information,
wherein the tone information includes data of frequency variation over a predetermined period, and the volume level information includes data of volume level variation over the predetermined period;
wherein the output sound is provided by mixing at least two tones, and each volume level information is a level upon which the output sound is based to be scaled; and
wherein the volume level information is provided in digital codes over a CAN bus, and each digital code is associated with a percentage to which the output sound is scaled.