Method for gradually adjusting the volume level of a digital signal within a predefined time using a volume control circuit
AssigneeMedia Tek Inc.
InventorPo-Wen Ku
Life of this patent
Estimating the term…
Abstract
According to the claimed invention, a DSP is disclosed. The DSP comprises a processing unit for processing the data stream, a first memory coupled to the processing unit for storing a destination volume value, and a second memory coupled to the processing unit for storing a time_determining value wherein the processing unit adjusts the volume of the signal stored in the data stream according to the time_determining value such that the adjustment from a current volume value of the signal to the destination volume value is accomplished within a predetermined time.
Claims14
A method of changing the audible volume level of a digital signal comprising:
- providing a destination volume value to a DSP;
- and
- with the DSP, gradually incrementing the volume level of the digital signal by a volume level increment to the destination volume within a predetermined time period;
- whereby any destination volume is achieved in the digital signal in the same amount of time and a size of the volume level increment is determined as the destination volume minus the volume level of the digital signal divided by the predetermined time period.
A Digital Signal Processor (DSP) for adjusting the volume of a digital signal stored in a data stream, the DSP comprising:
- a processing unit for processing the data stream;
- a first memory coupled to the processing unit for storing a destination volume value;
- and
- a second memory coupled to the processing unit for storing a time_determining value;
- wherein the processing unit gradually increments a volume level of the digital signal by a volume level increment to the destination volume value within a predetermined time period, any destination volume value is achieved in the digital signal in the same amount of time, and a size of the volume level increment is determined as the destination volume value minus the volume level of the digital signal divided by the predetermined time period.
Dependencies are inferred from the claim text.