Audio Explained - SoundPath Lab

Electronic circuit boards and test equipment illustrating measurement of external master clocks and IIS digital audio

Technical Analysis

External Master Clocks and IIS Audio: What Can Actually Improve—and What Can Break

A measurement-led guide to 10/25 MHz master clocks and IIS over HDMI: when they can help, how compatibility fails, and how to test a real benefit.

KEF Q Series bookshelf and floorstanding speakers shown in a listening room

Speakers & Subwoofers

Bookshelf vs Floorstanding Speakers: Choose by Room, Bass and Placement

Choose bookshelf or floorstanding speakers by listening distance, bass target, placement, amplifier load and total system cost—not cabinet size alone.

Audio-Technica AT-LP120XBT-USB turntable with a switchable built-in phono preamp

Turntables

Built-in Phono Preamp vs External Phono Stage: What Actually Matters?

Choose a built-in or external phono stage by cartridge compatibility, gain, noise, connections and upgrade needs—not by price or box count.

iFi ZEN DAC 3 shown as an example of a hi-res-capable desktop DAC

Myth Bunking

Does Hi-Res Audio Actually Make a Difference?

What controlled listening research says about high-resolution audio—and when mastering, level matching and playback limits matter more than the format badge.

Illustration of a Roon server, control interface, network endpoint and DAC connected in one audio system

Audio Explained

Roon Ready vs Roon Tested vs Roon Server: What Each Label Actually Means

Roon Ready, Roon Tested, Roon Server and Roon Output describe different parts of a Roon system. Learn which label belongs to the server, playback device and DAC—and what each does not guarantee.

A stereo listening room with two speakers and a measurement microphone on a tripod at the main seat.

Audio Explained

How to Use Room Correction Without Making Sound Worse

Measure room correction correctly, choose a safe target curve, compare results and avoid filters that make a good system sound worse.

A smartphone, wireless headphones and a Bluetooth audio receiver connected to an amplifier in a home listening room.

Audio Explained

Why Your Bluetooth Audio Codec Falls Back: LDAC, aptX, AAC and SBC

Find why Bluetooth falls back from LDAC or aptX, match source and receiver codecs, and fix Android, Windows, USB-dongle and headset problems.

Two stereo speakers flanking a vacuum-tube amplifier in a home listening room.

Audio Explained

How to Wire Passive Speakers: Polarity, Phase and Bi-Wire Jumpers

Wire passive speakers correctly, identify reversed polarity, restore thin bass and a weak center image, and avoid common bi-wire terminal mistakes.

A person reconnecting an HDMI cable between an unbranded television and a stereo amplifier with two bookshelf speakers.

Audio Explained

TV Audio Not Working? HDMI ARC/eARC, CEC, PCM and Optical Troubleshooting

Fix TV audio silence, dropouts and lip-sync problems by testing HDMI ARC/eARC, CEC, PCM, source formats and optical fallback in the right order.

An unbranded network audio streamer connected to a home router by a blue Ethernet cable, with speakers in two rooms.

Audio Explained

Wi-Fi or Ethernet for a Network Streamer? A Practical Stability Guide

Choose Wi-Fi or Ethernet for a network streamer, diagnose dropouts and discovery problems, and build a more reliable multi-room audio system.

An unbranded turntable connected to a stereo amplifier with RCA cables and a separate ground wire.

Audio Explained

How to Connect a Turntable: PHONO, LINE, Ground and Cartridge Compatibility

Connect a turntable without weak sound, distortion or hum by matching PHONO/LINE level, grounding and MM/MC cartridge compatibility.

A home stereo system with two speakers, an amplifier, a streamer and separated signal and power cables during noise troubleshooting.

Audio Explained

How to Diagnose Hum and Buzz in a Home Audio System

A safe step-by-step method to isolate hum, buzz and ground loops in stereo, phono, subwoofer, TV and USB audio systems.