Patent ID: 11863135
Assignee: CRM ICBG (WUXI) CO., LTD.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A Class D power amplification modulation system for self-adaptive adjustment of an audio signal, comprising:
an amplification circuit module, connected to the audio signal, for amplifying the audio signal;
a pulse width modulation (PWM) circuit module, connected to the amplification circuit module, for performing PWM processing on an amplified audio signal generated by the amplification circuit module to generate a PWM signal;
a drive circuit module, connected to the PWM circuit module, for performing system drive processing on the PWM signal to feed back to the audio signal;
a frequency detection circuit module, connected to the audio signal, for performing frequency detection processing on the audio signal;
a carrier generator module, connected to the frequency detection circuit module and the PWM circuit module, for loading a signal generated after the frequency detection processing onto a carrier modulation signal to transmit the carrier modulation signal and the signal generated after the frequency detection processing to the PWM circuit module;
an amplitude detection circuit module, connected to the audio signal, for performing amplitude detection processing on the audio signal; and
a direct current (DC) potential adjustment module, connected to the amplitude detection circuit module, for performing DC potential analysis processing on a signal generated after the amplitude detection processing to generate a DC potential of the audio signal.