该设计可以快速准确地测量输入信号格式，满足定标器稳定工作的需要。
The design can measure rapidly and avail the input signal format, and is satisfied to the scale system performance requirement.
叙述了采用AL128为核心芯片的转换器硬件结构设计，详细说明了对各种输入格式的视频信号实现自动检测和自动处理的原理和过程。
This paper describes the hardware design with the core of AL128, and explains the procedure in detail for auto-detect and automatic processing for different types of input video signal.
然后，根据此基音信息，对输入信号进行格式转换。
The input signal is then format-converted based on the fundamental tone information.
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