IBOC Update: Data and Asymmetrical Sidebands
The MSAC client can be configured to manage bandwidth for all data services. This is a configuration that iBiquity refers to as a multiport configuration.
The images themselves are limited in size to 24KB in a JPG or PNG file format. The resolution on the end-user device of 200px x 200px.
Importers must use v4.3.1P1 or later. Automation systems must incorporate HD Radio HDP PSD SDK v4.7 or later; and, according to iBiquity "All of the major automation manufacturers (examples: BE AudioVault/TRE, Arctic Palm, David, Dalet, Enco, Jump2Go, MediaTouch, RCS, WideOrbit) have Program Service Data (PSD) generator options for their current product offerings. Some automation system software may require upgrades to incorporate the new feature."
So how does this extra information gets transmitted outbound via IBOC? Artist Experience images fall under the category of Advanced Data Services, which the NRSC defines as:
Advanced data services provide broadcasters with the ability to transmit information that may be unrelated to MPS, SIS or SPS. These services can carry any form and content that can be expressed as a data file or a data stream, including audio services. Examples of such services include (i) visual effects associated with MPS, SIS, or SPS services; (ii) multimedia presentations of stock, news, weather, and entertainment programming including audio, text and images; (iii) broadcast updates to in-vehicle systems; (iv) local storage of content for time shifting and later replay; (v) targeted advertising; (vi) traffic updates and information for use with navigation systems; and (vii) subscription or free-but-limited-access services using conditional access.
Your exporter and exciter need to be at the correct software version as well, specifically v4.3.2 (or later) Image Support Client/Automation software based on LOT SDK v4.3.3.
And yes, there are receivers in the field that will show "artist experience" images. One example is the JVC KW-NT3HDT; two other JVC models were introduced at CES 2012. (The day this was written, over a dozen online stores offered this radio for sale.) Volkswagen claims to be the first to offer artist experience, and it will be available in selected 2012 models. And finally, there is the Insignia NS-HD02 portable, though as I write this, that unit appears to have limited availability.
- continued on page 3
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