PSoC 代码样例，高精度频率计。 详细内容见英文说明readme.txt-PSoC code sample: Precision Frequency Meter. A high precision frequency meter. Using the hourly time signal broadcast over the public radio station, the local reference oscillator is accurately calibrated.

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Allows to display an audio bargraph (peak meter and vu meter) of a HD-SD SDI embedded audio signal .

VU Meter for Audio Amplifier