Principle circuit of automatic voice-activated strobe light

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The circuit shown in the figure is a fully automatic voice-activated strobe light circuit, which can automatically track the flash corresponding to the beat in the music, and has a strong dynamic effect. Circuit principle: C1, C2, etc. form a reactance current limiter, V1, D2, etc. constitute a voltage regulator, C6 is the storage capacitor of flash FT, in order to ensure long-term operation, two capacitors are connected in parallel, C7 is ignition Capacitor, T is the boost trigger transformer, V2 is the flash control electronic switch, adopts the differential trigger mode, N1d is the trigger pulse buffer stage, and N2a~N2c constitutes the trigger pulse shaping circuit.