System and method for cross-fading audio signals
AssigneeNXP B.V.
InventorShanmugam Gunasekaran
Life of this patent
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Abstract
A system for cross-fading audio signals receives temporal data associated with the audio signals. Initially, current playback data corresponds to one of the temporal data. The system determines linear and non-linear data of the other temporal data that are linearly and non-linearly correlated with the temporal data, respectively. Further, the system receives a cross-fade request when a parameter value of a signal quality associated with the audio signal of the temporal data exceeds a threshold value. In response, the system cross-fades the current playback data from the temporal data to the linear data of the other temporal data. Additionally, the system inserts the non-linear data to the current playback data to successfully transition from the current temporal data to the other temporal data.
Claims20
A system for cross-fading audio signals, the system comprising:
- a processing circuit configured to:
- receive first temporal data associated with a first audio signal and second temporal data associated with a second audio signal, wherein current playback data corresponds to the first temporal data;
- determine linear data and non-linear data of the second temporal data, wherein the linear data and the non-linear data are linearly and non-linearly correlated with the first temporal data, respectively;
- cross-fade, based on analysis of a signal quality associated with the first audio signal, the current playback data from the first temporal data to the linear data of the second temporal data;
- and
- insert, upon cross-fading the current playback data to the linear data, the non-linear data of the second temporal data to the current playback data such that the current playback data corresponds to the second temporal data.
A cross-fading method comprising:
- receiving, by a processing circuit, first temporal data associated with a first audio signal and second temporal data associated with a second audio signal, wherein current playback data corresponds to the first temporal data;
- determining, by the processing circuit, linear data and non-linear data of the second temporal data, wherein the linear data and the non-linear data are linearly and non-linearly correlated with the first temporal data, respectively;
- cross-fading based on analysis of a signal quality associated with the first audio signal, by the processing circuit, the current playback data from the first temporal data to the linear data of the second temporal data;
- and
- inserting, by the processing circuit, the non-linear data of the second temporal data to the current playback data upon the cross-fading to the linear data such that the current playback data corresponds to the second temporal data.
A cross-fading method comprising:
- receiving, by a processing circuit, first temporal data associated with a first audio signal and second temporal data associated with a second audio signal, wherein current playback data corresponds to the first temporal data;
- determining, by the processing circuit, based on analysis of a signal quality associated with the first audio signal, linear data and non-linear data of the second temporal data, wherein the linear data and the non-linear data are linearly and non-linearly correlated with the first temporal data, respectively;
- cross-fading, by the processing circuit, the current playback data from the first temporal data to the linear data of the second temporal data based on the linear data and the non-linear data of the second temporal data;
- and
- inserting, by the processing circuit, the non-linear data of the second temporal data to the current playback data upon the cross-fading to the linear data such that the current playback data corresponds to the second temporal data.
Dependencies are inferred from the claim text.