Thanks for sharing. The concept of 1-bit anything has been on my mind recently.
It occurred to me while listening to your study how well suited 1-bit sounds are for things like subtractive synthesis and long artificial reverberation. Those sorts of processing techniques live for bright timbres with rich spectrums.
One thing that comes to mind is this paper on 1-bit music. The author of the paper, protodome does a fair bit of very intriguing 1-bit music. They also develop a specialized MML language for writing 1-bit music to AVR controllers, used to make one of their albums. Some of the code used in the album is included, which I think is totally rad.
There is something I find so punk about the 1-bit sound. It rejects all the things the establishment tells you is supposed to be important. Bit depth? Nah. Noise floor? What? All I need is something vaguely speaker-like that goes back, then forth. And do it like, really, really fast. 1, 0, and the truth!
I’ll have to find some of the 1-bit projects I was working on a few months ago. One of the things I was working on was a completely stateless 1-bit table-lookup oscillator. It would take in position (a normalized phasor signal), wavetable size, and the wavetable itself as parameters. The wavetable, being just 1’s and 0’s, would just be encoded as an integer. The idea would be to treat all these parameters as audio-rate, and to build special modules designed to create wavetable signals like parametric PWM.