HQUpsampler Stream Bridge is a macOS 12+ app for Apple Silicon that upsamples audio and streams to DLNA/UPnP players. Convert WAV/FLAC/AIFF offline (88.2/176.4kHz) or capture Mac system audio in real time. Optional 6-band PEQ. UI: English/Japanese. Streaming needs a virtual audio device (BlackHole). Free + Pro. Feedback on player compatibility welcome.
