adc

  1. Saidera

    Apple Dongle (USB-C to 3.5 mm) ADC quality with EarPods/free headsets

    I read somewhere years ago that perhaps crinacle used the apple dongle's ADC via an adapter to measure equipment because apple dongle's ADC is the best of all USB-C dongles. I think this is true. It is not studio quality, but it does support 24/48 PCM recording in mono and does not have as much...
  2. N

    Standarized Measurement Protocols for E1DA Cosmos ADC owners

    I've just recently acquired mentioned ADC. It's great and precise tool for its price. I come to idea it will be nice to have unified measurement protocol for owners of Cosmos, so everyone can contribute with measurements of devices which Armir due to different reasons can't measure (distance...
  3. C

    Quant Asylum QA403 with ESS DAC and ADC

    https://forum.quantasylum.com/uploads/short-url/e9EUxkUod8AstX3q4DM5uLsmMNL.pdf That didn't take long for them to replace the QA402. THD measurements in loopback and from external source look okish but those converters are capable of much more as demonstrated by several DACs tested here and of...
  4. dominikz

    Swissonic Converter AD 24/192 (ADC) Measurements

    After the recent measurement I did for the unbranded ADC I got off eBay, to compare a friend borrowed me a relatively similar device by a thomann.de house brand - Swissonic Converter AD 24/192 that sells for about 40€: Basic features are mostly the same, except this one comes with a power...
  5. dominikz

    Unbranded ADC from eBay - measurements

    Recently I was looking for a cheap ADC and found a generic, unbranded one on eBay for just under 10$ (UPC: 6927373037416). Here's a few pictures of the device: My plan was to use an ADC to connect my turntable to a digital input of miniDSP OpenDRC-DI, but I didn't really want to spend much on...
  6. artburda

    Field Recorder Comparison Sony PCM-D100 vs Olympus LS-11 (vs Motu M4)

    I recently treated myself with a Sony PCM-D100. The price was just too good. Here is a quick ADC Line In comparison with my Olympus LS-11. The measurements were done in REW V5.20 RC8b with a Motu M4 using the unbalanced monitor output (Output 1 RCA) which was connected to the Topping L30 so...
  7. R

    Unconventional Stereo System Issues

    So, earlier today, I encountered a really catastrophic issue regarding my unconventional stereo system. I connected my Victorola TT (https://www.amazon.com/Victrola-Bluetooth-Suitcase-Turntable-Speakers/dp/B00UMVW4VA) to a phono pre-amp...
  8. AnalogSteph

    A brief history of DAC and ADC chips...

    This started out innocuously enough in a post around these parts, now it has become a fairly comprehensive overview of high-end and midrange converter chips with some performance figures from the '90s into the present day, and even a few links to papers and the like are included along with some...
  9. 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...
  10. 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...
  11. 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...
  12. 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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