1. L

    ADC without USB

    Hello! I’m Laszlo, from Spain. I had spent a week searching for an ADC. I need to transform the analog output of my mixer (XLR) to optical, to record it in an Apollo X Quad, without using the analog inputs. All I had found is the typical 20$ rca to spdif converter, and I would like to have...
  2. pma

    Review and Measurements of the Roland UA-22 Duo-Capture Ex USB Audio Interface

    This is a review and detailed measurements of the Roland UA-22 Duo-Capture Ex USB Audio Interface (DAC/ADC). I bought it in the year 2015 as a small interface to make 2-channel microphone recordings in the field. The Duo-Capture costed about US $140. Duo-Capture has 2 balanced inputs, XLR/TRS...
  3. E

    Is MiniDSP SHD's ADC performance in the same ballpark as RME ADI-2 Pro fs?

    Given that the MiniDSP SHD and the RME ADI-2 Pro fs both use the same AKM chips, have similar specs, and in Amir's DAC testing showed very similar performance, is it safe to assume that the ADC performance of the MiniDSP SHD is likely to have a SINAD within a few dB of the RME ADI-2 Pro fs? I...
  4. M

    Can't understand something simple

    I read the following sentence in this The Scientist and Engineer's Guide to Digital Signal Processing By Steven W. Smith which talks about ADC & DACs. "For example, suppose that the ones and zeros are represented by 5 volts and 0 volts, respectively. If 80% of the bits in the data stream are...
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