@acman3,
My Infigo Audio IS-1 streamer has substantially improved my sound quality. I immediately noticed my audio system sounds much better. The music is clearer, bass is more powerful, and imaging has improved. BTW, it also sounds better than my previous Aurender N20 Server. I like it very much.
My $5,000 SRP Infigo Audio IS-1 Signature streamer replaced my MAC Book Pro computer dedicated for music streaming only. The IS-1 has Audirvana Studio music player installed and the Audirvana Remote is installed on my iPad.
My Ethernet source drives a netLINK Ethernet Media Converter with a fiber optic output driving a fiber optic cable to the streamer. The streamer’s only digital output is USB to the DAC. Fiber optic isolation in this case improves audio quality by eliminating network noise and jitter. It also incorporates ultra-low jitter re-clocking of network audio packets, reducing the need for specialized network equipment.
The IS-1 employs Intel’s Quad Core CPU with one core fully dedicated to music processing. This music core runs at a moderately high fixed rate while the other 3 cores vary in speed depending on needs.
FYI - The streamer can operate as an Audirvana Server, Roon Endpoint, HQPlayer Network Audio Adapter or Universal Plug and Play (UPnP) music endpoint.
The Cryogen version can also be a Roon Core. All the modes of operation run exclusively on a dedicated high speed processor core to make sure nothing interrupts the precious audio process while playing.