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VitOS on Raspberry Pi 4 Model B
In General Discussion
VitOS on Raspberry Pi 4 Model B
In General Discussion
VitOS on Raspberry Pi 4 Model B
In General Discussion
Sagittarius
Jan 26, 2022
I told our distributor that the M1T sounds better via USB than via SPDIF coax. And he contacted the people at Silent Angel. Here is their answer: «The sound performance relates the DAC as well as the player. Some DAC makers focus on USB input, some focus on AES/EBU. If talked about SPIDF/Coaxial, technically the maximum is 192Khz PCM. Compare to USB, less bandwith, compare to AES/EBU, coaxial has less anti-noise capability, that both affect the sound. In our end, we have optimized our USB audio through firmware, same as what we did on Z1. That might be a joint effect.» We should not forget that SPDIF was introduced by Sony and Philips in the early 80s. So it’s quite antique. In my experience 192 kHz already stresses SPDIF to its limits. No margin left. Some DACs even produce dropouts sometimes. No wonder it is not the best solution for hires audio transmitting. So if you already own a DAC with well designed USB-Input, you cannot go wrong with the M1T. I also tried it with a Pro-Ject Pre Box DS2 digital. Via USB excellent sound quality as well. Interestingly not only local playback of „exotic“ hires files (such as DSD or DXD) benefits from this interface. Online-streaming of 192 khz music from Qobuz as well. And these are no minor differences (where you need « golden ears » to hear them) but clearly audible. But you should be aware that USB may be somewhat louder than playback via SPDIF and will have to balance that in A/B comparison. I2S interface might be superior as well, but still have to check that. Here ist the USB configuration menu in the Orbiter app. I like it…
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