Blog
Updates, tutorials, and deep dives from the Benefic team.
- · metadata
How to Edit Audio Metadata: ID3, Vorbis Comments, and iTunes Atoms Explained
Audio metadata is invisible until it's wrong — then it's the only thing you see. This is a practical guide to what metadata lives inside your audio files, how the three major tag formats work, and how to edit them without re-encoding.
- · ios
Why iOS Caps External USB DACs at 48 kHz
Your high-end USB DAC plugged into an iPad or iPhone is capable of 384 kHz PCM and DSD256, but iOS sends it 44.1 or 48 kHz and nothing else. This isn't a bug in Apple Music — it's an architectural limit of iOS Core Audio that affects every app, including the audiophile ones that exist specifically to push past it. Here's what's actually happening, with named APIs and the workarounds that don't work.
- · dsd
Can Plex or Jellyfin Play DSD Files?
DSD support in media server apps is either missing or silently lossy. Plex transcodes DSD to PCM on the server. Jellyfin's mobile players can't decode it at all. Here's what's actually happening — and how Benefic handles it differently.
- · dsd
Why Do I Hear Noise or Static When Playing DSD Files?
DSD's 1-bit delta-sigma modulation trades bit depth for speed — and the price is ultrasonic quantization noise that's baked into the format. Whether you hear it depends on the DSD rate, your DAC's analog filter, and your amplifier. Here's the technical picture, with measurements.
- · dsd
DSD: DoP versus Native-DSD (and Why Some "Native" DACs Aren't)
DoP and Native DSD look like a clean transport choice — until you discover that several flagship DACs marketed as 'native DSD' silently route the bitstream through a PCM-style processing path. Here's the technical reality, with named hardware.
- · self-hosting
How to Self-Host Your Media Library Without Port Forwarding
Benefic uses WebRTC peer-to-peer connections to let you stream your movies and music from anywhere — no port forwarding, no VPN, no exposed services.