Audio Processing Apparatus Hardware Clock Synchronization
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Solution Overview
Problem
Existing audio processing systems face complexity in synchronizing input and output digital audio signals, leading to difficulties in development, maintenance, and repair, and degrade overall system performance due to processor limitations in controlling other apparatuses during fine adjustments.
Innovation Solution
An audio processing apparatus that synchronizes input and output digital audio signals using a hardware-based method by generating a strobe signal for each channel, converting it to a master clock with preset speeds, and outputting the audio signal based on this clock, simplifying the synchronization process and eliminating the need for processor-controlled parameter adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a processor-based method with multiple parameter adjustments is used to synchronize audio signals, then synchronization precision can be improved, but device complexity and difficulty of maintenance increase
Solution Approach 1:
The patent replaces the processor-based software control system with a hardware-based clock conversion system. The clock conversion circuit directly converts the input clock signal to the master clock signal through hardware circuitry, eliminating the need for complex processor-based parameter adjustments and software control mechanisms. This substitution of mechanical/software system with hardware system reduces device complexity while maintaining synchronization precision.
2Measurement precision
If fine adjustment for the master clock is performed using processor control, then synchronization accuracy can be improved, but system performance degrades due to processor inability to control other apparatuses
Solution Approach 1:
The patent replaces processor-based fine adjustment control with a hardware clock conversion circuit that performs clock rate conversion directly through hardware. This eliminates the need for the processor to be occupied with synchronization adjustments, allowing it to fully control other apparatuses and maintain high system performance while achieving accurate synchronization through hardware-based clock conversion.
3Reliability
If a complex processor-based synchronization method is implemented, then audio signal synchronization can be achieved, but development and maintenance difficulty increase
Solution Approach 1:
The patent replaces complex processor-based synchronization algorithms with a dedicated hardware clock conversion circuit. This hardware implementation provides reliable audio signal synchronization through deterministic hardware operation, while being significantly easier to develop, maintain, and repair compared to software-based solutions, as hardware circuits have more predictable behavior and fewer configuration complexities.
Data Source
AI summary
An audio processing apparatus and a control method thereof are provided. The method includes receiving an audio signal including audio data corresponding to each of a plurality of channels, generating a strobe signal for the audio data corresponding to each of the plurality of channels, converting a clock for the strobe signal corresponding to each of the plurality of channels to a master clock having preset multiple speeds, and outputting the audio signal based on the master clock. The simplification of the system configuration is accomplished by synchronizing an input and an output of the audio signal using hardware.