Since version 3.8 of audio file converter AuI ConverteR 48x44 supported 1-bit DSF audio file format with delta-sigma modulation. The formatis very popular in modern audiophile DAC (digital-analog converters).
This functionality available in supercharged modification of AuI ConverteR - PROduce-RD.
While supported 1-bit with sampling rates 2.8 and 5.6 MHz.
There are types of conversion:
1. PCM to 1-bit
2. 1-bit to PCM
3. PCM to PCM
Planned support 1-bit to 1-bit conversion.