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 ...
Design-Reuse

MIPI Soundwire: Pulse Code Modulation (PCM)

In MIPI Soundwire: Digital Audio Simplified, we mentioned that digital audio formats including Pulse Code Modulation (PCM) and Pulse Density Modulation (PDM) are target applications for MIPI Soundwire ...
EDN

High-quality PDM microphone interfacing using off-the-shelf SoCs

What is PDM and what is it doing in my microphone? PDM stands for Pulse Density Modulation. It's one of the formats in which you can waggle a two-level signal so that it has a probability k in one ...
EDN

PCM Input Audio Power Amplifiers

The MAX98357A are digital pulse-code modulation (PCM) input Class D power amplifiers that provide Class AB audio performance with Class D efficiency. These ICs offer five selectable gain settings (3 ...