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Samsung•Multi-Room

Analysis by Lukas & Team

Samsung Multi-Room Audio: Troubleshooting Audio Sync Problems

Fix audio sync issues with your Samsung Multi-Room system. Expert diagnostics and solutions for Canadian homes. Optimize your audio experience today.

Frequently Asked Questions

•What is the ideal RSSI signal strength for a Samsung Multi-Room speaker?

Ideally, the RSSI (Received Signal Strength Indicator) should be greater than -60 dBm for reliable performance. Values closer to 0 dBm indicate a stronger signal.

•How do I update the firmware on my Samsung Multi-Room speakers?

Firmware updates are typically performed through the Samsung SmartThings app. Navigate to the device settings and check for available updates.

•What are common sources of Wi-Fi interference in a Canadian home?

Common sources include microwave ovens, Bluetooth devices, cordless phones, and neighbouring Wi-Fi networks. Placement away from brick, concrete, and metal objects will optimize radio performance.

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About Lukas & Team

Lukas leads the technical research department at Digital Home Faults. Together with a team of systems analysts, he specializes in translating complex manufacturer error codes into actionable diagnostic steps for the Canadian market.

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Important Warnings:

Avoid tampering with internal speaker components. Ensure all devices are properly grounded to prevent electrical shock. Use surge protectors to protect against power surges. Protect your network with a strong password and enable WPA3 encryption to prevent unauthorized access. Never expose electronic components to water or extreme temperatures.

Step-by-Step Fix:

1

Verify network connectivity: Ensure all speakers and the TV are connected to the same Wi-Fi network and have a strong signal strength (RSSI > -60 dBm). Use a Wi-Fi analyzer app (e.g., NetSpot) to check for signal strength and interference.
2

Optimize Wi-Fi channel: Use your router's administration interface to select a less congested Wi-Fi channel (1, 6, or 11 for 2.4 GHz). Bell Giga Hub users may need to access advanced settings for channel selection.
3

Reduce network load: Disconnect unnecessary devices from the Wi-Fi network to reduce congestion. Prioritize audio traffic using Quality of Service (QoS) settings in your router if available.
4

Update firmware: Ensure all speakers and the TV have the latest firmware updates installed via the Samsung SmartThings app.
5

Adjust audio delay settings: Some Samsung TVs and speakers have built-in audio delay settings. Experiment with different delay values to compensate for the synchronization issue.
6

Factory reset: As a last resort, perform a factory reset on the speakers and the TV, and then reconfigure the system.
7

Ethernet connection: Where possible, connect devices via Ethernet cables to eliminate Wi-Fi signal strength variations. This may require a Wi-Fi extender with Ethernet ports.

Expert Tip:

If experiencing audio delay primarily with a specific input source (e.g., HDMI ARC), try switching to a different audio output method (e.g., optical cable or Bluetooth) to see if the issue persists. Also check the audio output settings in your TV to see if Dolby Atmos processing is the source of added lag.

How It Works:

The Samsung Multi-Room system relies on a wireless network (Wi-Fi or Zigbee) for audio distribution. Audio streams are encoded, packetized, transmitted over the network, and then decoded by each speaker. Synchronization is managed by a central controller, which attempts to compensate for network latency. Factors such as network congestion, RF interference, and speaker processing latency can all contribute to audio desynchronization.

Observed Symptoms:

Observed audio delay between Samsung Multi-Room speakers and the connected TV or other audio source. Playback desynchronization is audible, ranging from slight echo to significant lag (measured >500ms). No error codes are displayed on the Samsung SmartThings app, however, packet loss is observed via network diagnostic tools.

Common Causes:

Excessive Wi-Fi congestion from other devices (e.g., multiple video streams, smart home devices).
Interference from other wireless devices (microwaves, Bluetooth devices, cordless phones) operating on the 2.4 GHz band.
Suboptimal speaker placement affecting signal strength and latency.
Firmware bugs within the speakers or the central controller causing incorrect synchronization.
Insufficient network bandwidth provided by the Internet Service Provider (ISP) or router.
Internal clock drift within individual speakers resulting in accumulating latency over time.

Prevention:

Schedule regular firmware updates for all devices
Monitor network performance using a network monitoring tool
Consider upgrading to a mesh Wi-Fi system for improved coverage and performance
Minimize interference by keeping wireless devices away from sources of interference
Re-calibrate speakers monthly