Provided are a method and device for providing a video of an Internet Protocol TV or Interactive Personal TV (IPTV) service. The method includes: detecting whether an IPTV service system is accessible for a terminal or not; and when the IPTV system is detected to be inaccessible for the terminal, providing a video for the terminal through a Content Delivery Network (CDN) subsystem. By the technical solution, the technical problems that the user cannot enjoy services such as the video service in case of upgrading, server failure or network failure in the related technology are solved, and live video service can still be provided for the user even though the service of the IPTV service system is inaccessible due to upgrading, server failure or network failure.

A method of processing a digital radio broadcast signal includes: (a) determining a plurality of current correlation sample values representative of a time delay between samples in an analog audio sample stream and samples in a digital audio sample stream; (b) determining a current inversion status; (c) updating a delay history and an inversion status history; (d) checking the current correlation sample values for consistency with a first confidence threshold; (e) if consistency is found in step (d), determining if each of a first plurality of values in the delay history is consistent within a predetermined range of the current correlation sample values; (f) if consistency is found in step (e), determining if a value in the inversion status history is consistent with the current inversion status; and (g) if the consistency is found in step (f), allowing blending of an output to the digital audio sample stream.

Provided are a method and device for providing a video of an Internet Protocol TV or Interactive Personal TV (IPTV) service. The method includes: detecting whether an IPTV service system is accessible for a Set Top Box (STB) or not; and when the IPTV system is detected to be inaccessible for the STB, providing a video for the STB through a Content Delivery Network (CDN) subsystem. By the technical solution, the technical problems that the user cannot enjoy services such as the video service in case of upgrading, server failure or network failure in the related technology are solved, and live video service can still be provided for the user even though the service of the IPTV service system is inaccessible due to upgrading, server failure or network failure.

Intelligent switching of audio sources includes determining, via a computer processor communicatively coupled to an audio system in a vehicle, alternative sources of content that are communicatively available to the vehicle. The audio system renders an instance of a content item that has been received from a content provider, as a source of content, over a network. Upon determining an interruption in a signal from the content provider with respect to the instance of the content item, the intelligent switching of audio sources also includes presenting an alternative content item, through the audio system, from one of the alternative sources of content.

Intelligent switching of audio sources includes determining, via a computer processor communicatively coupled to an audio system in a vehicle, alternative sources of content that are communicatively available to the vehicle. The audio system renders an instance of a content item that has been received from a content provider, as a source of content, over a network. Upon determining an interruption in a signal from the content provider with respect to the instance of the content item, the intelligent switching of audio sources also includes presenting an alternative content item, through the audio system, from one of the alternative sources of content.

The approach shown provides for an efficient implementation of time response, level response and frequency response alignment between two audio sources such as DAB and FM that may be time offset from each other by as much as 2 seconds, and produces an aurally undetectable transition between the sources. Computational load is significantly reduced over the approaches known in the prior art.

The approach shown provides for an efficient implementation of time response, level response and frequency response alignment between two audio sources such as DAB and FM that may be time offset from each other by as much as 2 seconds, and produces an aurally undetectable transition between the sources. Computational load is significantly reduced over the approaches known in the prior art.

Systems and methods are described for rendering content at a digital radio broadcast receiver system. A digital radio broadcast signal comprises data for rendering content at the digital radio broadcast receiver. The digital radio broadcast signal is processed to determine whether the data from the digital radio broadcast transmission contains a data error. A portion of the data containing the data error is identified. A download request is transmitted to a computing system, where the download request requests duplicate data for the portion of the data containing the data error. The duplicate data is received at the digital radio broadcast receiver for the portion of the data containing the error via other wireless communication other than the digital radio broadcast. The duplicate data is processed to provide an uninterrupted rendering of the content.

Methods, systems, and apparatuses are described herein for providing alert content. The alert content may be output with or following other content, such as video content. At least one advertisement may be output with or following the alert content. The at least one advertisement may be selected for output based on the alert content.

Methods, systems, and apparatuses are described herein for providing alert content. The alert content may be output with or following other content, such as video content. At least one advertisement may be output with or following the alert content. The at least one advertisement may be selected for output based on the alert content.