What are ASIO and WASAPI ?

WASAPI – Applications communicate with the audio driver through Sessions, and these Sessions are programmed through the Windows Audio Session API (WASAPI). In general, WASAPI operates in two modes. In exclusive mode (also called DMA mode), unmixed audio streams are rendered directly to the audio adapter and no other application’s audio will play and signal […]

USB Standard and Ports

For a complete history and explanation of USB standard (1.0, 2.0, 3.0, 3.1) and port types (A, B, C, micro, etc), refer to Wikipedia USB article. NuPrime communicates and decode digital music from the computer through USB Audio (this is a software standard, not physical USB standard). USB Audio is a software standard that defines how audio devices can communicate […]

Optical input is not working or has intermittent problem

Some entry level consumer devices have optical outputs with high jitter and that can affect the locking of optical signal with some model of NuPrime DAC. If this is determined to be the problem, you can use an optical to analog converter such as “Musou Digital Optical Coax to Analog RCA Audio Converter Adapter” (available […]

My Windows PC is not showing the NuPrime DAC

1. Check the Sound setting in the Control Panel. Verify that the NuPrime DAC is selected. If it is not showing, the device driver was not installed correctly. 2. Go to Device Manager to check the USB audio device driver is installed and without any conflict. Remove conflicting USB audio devices. There are several places to check: a) […]

How to remove hissing or huming noise ?

If you are hearing noticeable (i.e. about 5 feet away from the speaker) noise, the first step is to determine the source of the noise. The high-frequency noise and grounding flaws created by custom modifications or aging upstream components such as a CD player, D/A converter, or preamplifier may be audible as a loud hissing […]

How to play DSD on NuPrime device ?

We recommend JRiver Media Center for its ease of use and setup. Please refer to this setup guide: https://nuprimeaudio.com//wp-content/uploads/JRiver-Configuration-for-DSD-Playback.pdf For Foobar please refer to this general purpose USB audio playback guide: foobar2000_dsd

How does NuPrime determine the “Displayed Sampling Rate”?

There are two ways to determine the sampling rate: Use meta data from the source music. If the meta data is wrong or the source does not contain any sampling rate data, then NuPrime device will not display the correct sampling rate.  Even if the display does not show the correct sampling rate, the decoding will not […]