Shanghai Awinic Microelectronics Technology Co., Ltd. (20240348214). DIGITAL AUDIO AMPLIFIER, CHIP, AND ELECTRONIC DEVICE simplified abstract
Contents
DIGITAL AUDIO AMPLIFIER, CHIP, AND ELECTRONIC DEVICE
Organization Name
Shanghai Awinic Microelectronics Technology Co., Ltd.
Inventor(s)
DIGITAL AUDIO AMPLIFIER, CHIP, AND ELECTRONIC DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240348214 titled 'DIGITAL AUDIO AMPLIFIER, CHIP, AND ELECTRONIC DEVICE
The present disclosure introduces a digital audio amplifier, a chip, and an electronic device. The amplifier consists of a digital-to-analog conversion section, a drive section, and an audio amplification section.
- Digital-to-analog conversion section converts a pulse width modulation signal from a digital audio signal.
- Drive section amplifies the analog signal to output a drive signal.
- Audio amplification section further amplifies the drive signal into a first amplified signal at a first amplification factor with a lower voltage source, and a second amplified signal at a second amplification factor with a higher voltage source.
Key Features and Innovation:
- Efficient conversion of digital audio signals into analog signals.
- Variable amplification factors based on voltage sources.
- Improved audio quality and performance.
Potential Applications:
- Consumer electronics such as smartphones, tablets, and laptops.
- Audio equipment like speakers, headphones, and sound systems.
Problems Solved:
- Enhancing audio amplification efficiency.
- Providing flexibility in amplification levels.
Benefits:
- Higher quality audio output.
- Energy-efficient operation.
- Customizable amplification levels.
Commercial Applications:
- Audio equipment manufacturing industry.
- Consumer electronics companies.
- Entertainment venues and event organizers.
Questions about the technology: 1. How does the amplifier improve audio quality compared to traditional amplifiers? 2. What are the potential cost implications of implementing this technology in consumer electronics?
Original Abstract Submitted
the present disclosure provides a digital audio amplifier, a chip, and an electronic device. the amplifier includes: a digital-to-analog conversion section configured to convert an inputted pulse width modulation signal into an analog signal, the pulse width modulation signal is obtained from modulation of a to-be-amplified digital audio signal; a drive section configured to amplify the analog signal and then output a drive signal; and an audio amplification section configured to amplify the drive signal into a first amplified signal at a first amplification factor when a voltage is provided by a first voltage source; and amplify the drive signal into a second amplified signal at a second amplification factor when a voltage is provided by a second voltage source; wherein the voltage of the first voltage source is lower than the voltage of the second voltage source, and the first amplification factor is smaller than the second amplification factor.
