Hackaday

pulse density modulation

Ever notice that the ESP32-S3 doesn’t have a digital-to-analog converter? [Chris] did and asserts that he doesn’t care because he can just use the PDM system to get the same result. PDM — pulse ...
Design And Reuse

CAST Introduces PDM-to-PCM IP Core for Easy Interfacing of Digital Microphones with SoCs

New core enables hardware conversion of mono or stereo PDM streams to PCM, with configurable audio processing and flexible ...
Electronic Design

Evaluating Options in MEMS Microphones: I2S vs. PDM

Design considerations for pulse density modulation (PDM). Design considerations for inter-IC sound (I 2 S). Pros and cons of two popular digital interfaces in MEMS microphones. Small, portable ...
Business Wire

TDK announces T5818: industry’s widest dynamic range PDM microphone

LAS VEGAS--(BUSINESS WIRE)--TDK Corporation (TSE: 6762) announces the T5818 Pulse Density Modulation (PDM) microphone with a dynamic range of 107dB at 590µA, the widest dynamic range in the industry ...
EDN

High jitter tolerance, superior audio quality in Class D digital audio amplifiers

The MAX98355 (pulse-code modulation, PCM) and MAX98356 (pulse-density modulation, PDM) from Maxim Integrated Products, Inc., are digital-input Class D audio amplifiers that offer best-in-class clock ...
EDN

Class D Audio Amplifiers: What, Why, and How – Part 5

Class D modulators can be implemented in many ways, supported by a large quantity of related research and intellectual property. This article will only introduce fundamental concepts.All Class D ...