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Pulse-density modulation - Wikipedia
https://en.wikipedia.org/wiki/Pulse-density_modulation#:~:text=PDM%20is%20the%20encoding%20used%20in%20Sony%27s%20Super,clock%20indicates%20a%20bit%20from%20the%20right%20channel.
More about PDM - Audio Precision
https://www.ap.com/technical-library/more-about-pdm/
PDM is the technology used in many oversampling ADCs and DACs, and is the basis of the Sony/Philips commercial digital format and disc trade-named DSD and SACD, respectively. A one-bit stream is unacceptably noisy, but very high sampling rates and noise shaping techniques are used to greatly reduce the noise in the audio spectrum.
Pulse-density modulation - Wikipedia
https://en.wikipedia.org/wiki/Pulse-density_modulation
PDM is the encoding used in Sony's Super Audio CD (SACD) format, under the name Direct Stream Digital. Some systems transmit PDM stereo audio over a single data wire. The rising edge of the master clock indicates a bit from the left channel, while the falling edge of the master clock indicates a bit from the right channel.
PDM File Extension - What is a .pdm file and how do I open it?
https://fileinfo.com/extension/pdm
A PDM file is a project created by Anvsoft Photo DVD Maker, a Windows program used to create photo slideshows and burn them to DVDs. It contains information about a slideshow project, including edits, the theme, and paths to images in the slideshow. PDM files also store metadata, such as the name of the project and names of albums in the project.
Converting pdm data into pcm or other audio data format
https://stackoverflow.com/questions/56861017/converting-pdm-data-into-pcm-or-other-audio-data-format
Mind you that I'm not very familiar with audio processing. The program can currently convert pdm values into the frequency domain through fast fourier transform. However, I need the data in the time domain or convert it into PCM. Basically audio data that would enable me to create wav files. So I tried capturing the pdm data by itself but ...
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