Sample accurate audio state update
First Claim
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1. In a system for processing digital audio signals to provide sample accurate audio updating for substantially eliminating artifacts, the combination comprising:
- a digital signal processing subsystem for generating and managing audio sample data to provide time synchronization for substantially seamless audio sample data flow, including a digital signal input and a digital audio signal output;
a memory for said digital signal processing subsystem; and
a digital recorder controller in communication with said processing subsystem for providing audio state update messages to modify audio parameters at specified sample times.
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Abstract
A method and apparatus for sample accurate parameter update management in digital audio recording/playback wherein a digital signal processor, memory, recording controller, and appropriate interfacing facilitate storage and retrieval of digital audio data samples continuously to achieve substantially seamless flow and sample accurate audio state updated at precisely designated times, all as required in such critical synchronizing applications as film dubbing.
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Citations
13 Claims
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1. In a system for processing digital audio signals to provide sample accurate audio updating for substantially eliminating artifacts, the combination comprising:
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a digital signal processing subsystem for generating and managing audio sample data to provide time synchronization for substantially seamless audio sample data flow, including a digital signal input and a digital audio signal output; a memory for said digital signal processing subsystem; and a digital recorder controller in communication with said processing subsystem for providing audio state update messages to modify audio parameters at specified sample times. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for processing digital audio signals to provide sample accurate audio updating for substantially eliminating artifacts, comprising:
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receiving an audio signal input; directing and storing said audio signal input in a memory; generating and managing audio sample data to provide time synchronization for substantially seamless audio sample data flow; and modifying audio parameters at specified sample times for controlling the audio by periodically updated parameter changes from a digital recorder controller. - View Dependent Claims (11, 12, 13)
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Specification