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Digital Asset Guideline Overview
This page is no longer updated.
See Add images on the Sonos developer portal for the latest documentation.
The following digital assets can be offered by your music service:
- Album art - Guidelines & Tutorial
- Custom browse icons - Guidelines | Tutorial | Templates | Legacy Templates
- Ratings icons - Guidelines | Tutorial| SVG Template | Legacy Templates
- Service logos - Guidelines | Tutorial | Templates | Legacy Templates
There are two basic types of artwork: line art and photographs. Line art is easily scalable by Sonos apps and should be delivered in SVG Basic 1.1 format. Photographs need to be delivered in specific sizes and in JPG or PNG format, with a density of 72 DPI. See below for details.
Artwork appears in many different sizes on apps. Sonos scales artwork by taking the largest size above what is required by the app and downsampling it.
Use the presentation map to present these digital assets on Sonos apps. See the tutorials above and SMAPI Presentation Maps for details.
Version 5 of the Sonos app introduced a redesign that can use the high resolution displays of iOS and Android devices. We recommend using SVG format to take full advantage of these displays. This also ensures that images continue to have acceptible resolutions when scaled.
The Windows and MacOS apps, and discontinued Sonos hardware controllers (such as the Sonos CONTROL/CR200) are considered legacy controllers. These controllers still use images in PNG format. Therefore, you must submit your logos in PNG format as well.
The table below lists the supported Sonos apps and image formats. Click a link in the product column to read the product documentation.
Sonos Apps | Description | Product | Image Format |
---|---|---|---|
WDCR | Windows desktop app (legacy user interface) | PNG | |
MDCR | Mac OS desktop app (legacy user interface) | PNG | |
ICR | iOS app | SVG | |
ACR | Android app for tablets and phones | SVG | |
CR200 | Custom Sonos controller (legacy user interface) | PNG |
Photographs need to be delivered in specific sizes, in JPG or PNG format, and with a density of 72 DPI. Files that specify a different DPI setting may not display correctly in every Sonos app. You can save files at 72 DPI by using the Save for Web option in Photoshop (File > Save for Web...).
It is important that you save Scalable Vector Graphic (SVG) images in the SVG Basic 1.1 profile. See the W3C recommendation for further details about this SVG profile. Also, do not use SVG <text> and <mask> elements or hidden layers in your line art because they can cause display problems in the Sonos app.
Validate your SVG using the W3C Markup Validation service. Be sure that the 'Document Type' is specifically set to SVG 1.1 Basic:
Your logos must pass validation before you submit your service for certification by Sonos.
Using Adobe Illustrator
Follow the steps below to save an SVG 1.1 Basic image using Adobe Illustrator (see Adobe Illustrator help for more):
- Choose File > Save As or File > Save A Copy.
- Enter a filename and choose a location for the file.
- Choose SVG (*.SVG) as the file format and click Save. This brings up the SVG Options dialog:
- In the SVG Options dialog, choose SVG Basic 1.1 as the SVG Profile.
- In the Image Location field, choose Embed.
- Click OK.
This guide goes over the following:
- Overview
- Use image substitution for art and icons
Artwork consists of line art or photographs, depending on the image type. The Sonos app displays album art, custom browse icons, ratings icons, and service logo image types. Your content service sends these to the Sonos app to render. See below for more details about these image types.
Album art
album
, artist
, playlist
, or trackMetadata
object. See Add album art for details.Custom browse icons
Ratings icons
Service logos
Version 5 of the Sonos app introduced a redesign that can use the high resolution displays of iOS and Android devices.
The Windows and MacOS apps, and discontinued Sonos hardware controllers (such as the Sonos CONTROL/CR200) are considered legacy controllers. These controllers still use images in PNG format. Therefore, you must submit your logos in PNG format as well.
The table below lists the supported Sonos apps and image formats. Click a link in the product column to read the product documentation.
Sonos Apps | Description | Product | Image Format |
---|---|---|---|
WDCR | Windows desktop app (legacy user interface) | Sonos app for Mac or PC | PNG |
MDCR | Mac OS desktop app (legacy user interface) | Sonos app for Mac or PC | PNG |
ICR | iOS app | Sonos app for mobile devices | SVG |
ACR ACR-HDPI | Android app for tablets and phones | Sonos app for mobile devices | SVG |
CR200 | Custom Sonos controller (legacy user interface) | Sonos CONTROL (CR200) PDF | PNG |
Photographs need to be delivered in specific sizes, in JPG or PNG format, and with a density of 72 DPI. Files that specify a different DPI setting may not display correctly in every Sonos app.
It is important that you save Scalable Vector Graphic (SVG) images in the SVG Basic 1.1 profile. See the W3C recommendation for further details about this SVG profile. Also, do not use SVG <text> and <mask> elements or hidden layers in your line art because they can cause display problems in the Sonos app.
Validate your SVG using the W3C Markup Validation service. Be sure that the ‘Document Type’ is specifically set to SVG 1.1 Basic.
Your logos must pass validation before you submit your service for certification by Sonos.
Artwork appears in many different sizes, depending on the device and where the the Sonos app shows the art. Therefore, the Sonos app uses image substitution to deliver a high-quality visual experience for every instance. Album art and custom browse icons use similar image substitution rules since they both use the albumArtURI
element to display images. Sonos scales artwork by taking the largest size above what is required by the app and downsampling it.
Image substitution and album art
Set the substitution rules for images in the presentation map (see Customize display for details). When the Sonos app requests album art, it will look at these rules to see if there is a value to substitute in the albumArtURI
for the image. If there is, the app will use the substitution rules to rewrite the URI to get an image of the appropriate size.
Sonos Desktop App Mac
For example, if you sent the following albumArtURI
for album art:
http://yourmusicservice.example.com/cdn-directory/aa-id_600.png |
If you did not provide a 600 x 600 image, the Sonos app would pick the closest image that you provide and resize it.
Image substitution and custom browse icons
The above applies to custom browse icons as well.
The Sonos app would use the URI for the following image for the browse icon if you do not provide any substitution rules:
2 4 6 | <Match> Sample URI:http://yourmusicservice.example.com/cdn-directory/aa-id_180.png imageSizeMap</code><sizeEntry size='180'substitution='_180.png'/><sizeEntry size='300'substitution='_300.png'/><sizeEntry size='600'substitution='_600.png'/><sizeEntry size='1000'substitution='_1000.png'/></imageSizeMap></Match></PresentationMap> |
The sample presentation map above shows that your service has provided four different album art sizes. Sonos will pick one of these sizes depending on the device a listener is using and the screen they are viewing. If the Sonos app is looking for a size that is not listed, it will use the next closest image that is listed.
The base albumArtURI
is what your service first sends Sonos in a getMetadata
response. You must include a sizeEntry
for the base albumArtURI
in your imageSizeMap
. The Sonos app will use the rules set in the imageSizeMap
to show the best available size for the screen and device. This might mean using the base URI for album art, or using substitution rules to rewrite the URI for a different size image URI.
Sonos App Osx
This ArtWorkSizeMap
shows that an albumArtURI
with the string “_180.png” in it has a “size=180” for 180 x 180 images. To get a 600 x 600 image, the Sonos app will use string substitution to replace “_180.png” with “_600.png”.
Set up image substitution for custom browse icons
To set up image substitution for custom browse icons, define your icon artwork sizes using the browseIconSizeMap
element in a PresentationMap
of type BrowseIconSizeMap
. The imageSizeMap
sets the rules the Sonos app uses to pick the custom browse icon with the best resolution to display using sizeEntry
elements.
Set a sizeEntry
element for each size that you want to substitute. Set the size parameter of the sizeEntry
element to the resolution size of the image that the Sonos app will request. Then set the substitution parameter to the substitution string. This should be a unique string for each size. For example:
2 4 6 8 | <Match> <sizeEntry size='0'substitution='_legacy.png'/> <sizeEntry size='290'substitution='_290.svg'/> </Match> |
The sample presentation map above shows that your service provides browse icons in three sizes. The Sonos app on Mac or PC will use the PNG image for your browse icons. The Sonos app on phones and tablets will use your substitution rules to choose the appropriate SVG image for your browse icons.
Note that the legacy icon is listed with a size of zero. Sonos requires this configuration to display custom browse icons on the Sonos app for MacOS and PC. It’s important that you specify this legacy icon as it’s the only one used by the Sonos app for Mac and PC. The Sonos app for mobile devices can handle high resolution images, so they’re more apt to use image substitution to display browse icons.
The base albumArtURI
is the URI that your service sends Sonos in a getMetadata
response. Use the PNG image format on the Sonos app for Windows and MacOS. See Sonos apps, above, for details.
Custom browse icons on the Sonos app for mobile devices uses the rules set in the browseIconSizeMap
. These rules describe how the app should rewrite the URI for the appropriate SVG image.
If you do not provide SVG images or substitution rules, the Sonos app will resize the legacy PNG image as needed. This may not be the best visual experience for listeners. We recommend setting up substitution rules. Your listeners will appreciate it.
Provide an image that our Web team can scale and use on the Sonos site. Ideally, this image should satisfy the following requirements:
Sonos Desktop Controller App For Mac Or Pc
- Width: about 300px
- Height: about 100px
- Format: .ai or .eps
- Transparent background