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Authored by: Support.com Tech Pro Team
One error you can run into with your Sonos system is "Song Not Encoded Properly".
While this tends to be a problem with the media itself, there are a few things you can check to get your music playing again quickly.
Sometimes, problems playing files can come from a file encoded in a way the Sonos speaker system does not understand.
File FormatMaximum BitrateMaximum Audio Sample RateWMA - Windows Media Audio355kbps48000 Hz, 16 bitMP3 - MPEG Audio Layer III320kbpsAAC - Advanced Audio CodingOGG - Ogg VorbisFLAC - Free Lossless Audio Codec1411kbpsALAC - Apple Lossless Audio CodecAIFF - Audio Interchange File FormatWAV - Waveform Audio File Format
There are some special considerations when you're streaming audio to your speaker.
The Sonos sound system plays audio from a multitude of sources. They are grouped in the following kinds:
If you're having trouble listening to a music service there are a couple things for you to try:
Try again later when the services are back up.
Check if other devices on the same network are having the same connectivity issue. This applies to situations when:
To reboot a router simply unplug the power cord, make sure that all the lights went off, keep it powered off for 30 seconds then plug the power cord back in.




To reboot a router simply unplug the power cord, make sure that all the lights went off, keep it powered off for 30 seconds then plug the power cord back in.

The device needs to be within a reasonable range of the router in order to connect and have the best connection speeds.
The above numbers are approximates only. Optimal range may vary based on router make and model.
Wireless signal interference can cause performance issues such as slow or intermittent connections and even complete disconnects. This interference involves the presence of:
To reduce wireless signal interference, look for any of the above devices, turn them off temporarily and check if the issue persists. If it does, then:
The potential of structural materials to absorb wireless signal and cause signal loss or undesired behavior is as follows:
Interference PotentialType of MaterialLowSynthetic material, wood, glassMediumBrick, marble, waterHighConcrete, plasterVery HighMetal
Ensure the computer, phone, tablet or network attached storage (NAS) device that contains the music tracks is powered on and connected to your Wi-Fi network.
If you haven't already, please try power cycling the device you're working with. To do so, simply turn it off, wait 30 seconds and turn it back on again.
To reboot a router simply unplug the power cord, make sure that all the lights went off, keep it powered off for 30 seconds then plug the power cord back in.

The device needs to be within a reasonable range of the router in order to connect and have the best connection speeds.
The above numbers are approximates only. Optimal range may vary based on router make and model.
Wireless signal interference can cause performance issues such as slow or intermittent connections and even complete disconnects. This interference involves the presence of:
To reduce wireless signal interference, look for any of the above devices, turn them off temporarily and check if the issue persists. If it does, then:
The potential of structural materials to absorb wireless signal and cause signal loss or undesired behavior is as follows:
Interference PotentialType of MaterialLowSynthetic material, wood, glassMediumBrick, marble, waterHighConcrete, plasterVery HighMetal