A wearable digital video camera (10) is equipped with wireless connection protocol and global navigation and location positioning system technology to provide remote image acquisition control and viewing. The Bluetooth® packet-based open wireless technology standard protocol (400) is preferred for use in providing control signals or streaming data to the digital video camera and for accessing image content stored on or streaming from the digital video camera. The GPS technology (402) is preferred for use in tracking of the location of the digital video camera as it records image information. A rotating mount (300) with a locking member (330) on the camera housing (22) allows adjustment of the pointing angle of the wearable digital video camera when it is attached to a mounting surface.

A media player system is provided for receiving and processing a media program that uses a time interval interval t.sub.D required to decode N.sub.D frames of the media program segment. The media system receives the requested media program segment, processes the segment and determines if the throughput of the media program differs from the desired presentation throughput by a tolerance amount. Both decoding and rendering performance are determined and used to determine presentation throughput, and to determine if heavier or lighter variants of the media program should be requested for subsequent media program segments.

A video-processing method includes: obtaining a video frame rate of received video data; determining whether the video frame rate is less than the refreshing frame rate of a screen; and if yes, modifying at least one of the video frame rate of the video data or the refreshing frequency, so that the video frame rate of the video data is greater than or equal to the refreshing frame rate after modification. According to the present application, the effect that the video frame rate of a video file is greater than or equal to the refreshing frequency of the screen can be guaranteed, thus images corresponding to the video file can be displayed when the screen is refreshed, thereby avoiding standstill phenomena of video playback.

An electronic device and a method of operating the same are provided. The electronic device includes a communication circuit configured to transmit or receive data using a call channel established through a call connection with an external electronic device, and a processor configured to transmit content, which is pre-processed using a first transmission filter, to the external electronic device through the call channel, receive a first real-time control protocol (RTCP) message transmitted by the external electronic device through the call channel, identify a status of the call channel, based on the first RTCP message, determine whether or not to perform an operation of pre-processing the content to be transmitted to the external electronic device using a second transmission filter, transmit a second RTCP message using the second transmission filter to the external electronic device, and perform transmission of the content, based on the second transmission filter.

Systems and methods are described for recommending a content item. A search query for a content item is received. The availability of the content item from more than one source is determined. In response to determining that the content item is available from more than one source, the quality of each of the available content items from respective sources is determined. A recommendation factor is determined. The recommendation factor is based on at least one of the bandwidth available to a user device, the resolution capability of the user device, and the quality of experience of each of the sources from which the content item is available. A list of search results for the available content items is generated. The list is ordered based on the quality of each of the available content items from respective sources and the recommendation factor.

An apparatus for determining a set of transmit parameters capable of improving and/or optimizing data throughput to a destination device. The apparatus includes an input circuit that receives a signal containing a plurality of data blocks for use by a plurality of devices. At least one of the data blocks is associated with the apparatus and encoded using a first set of transmit parameters. A transmit parameter processor determines a signal to noise ratio value for the received signal and a block error rate value for the at least one data block and at least one other data block encoded using a different set of transmit parameters. A processor generates a request for encoding subsequent data blocks destined to the apparatus using a second set of transmit parameters. A method and system are also disclosed.

Intelligently downloading content to user devices is described herein. According to an embodiment, a user request for content is received. In response to the request, a low quality version of the content is downloaded and played to the user. Then, a higher quality version of the content is downloaded (this may occur during or after the download or playback of the low quality version of the content). Playback of the low quality version is discontinued. Then, playback of the higher quality version begins at the point where playback of the low quality version was discontinued. In some embodiments, the low quality version and the higher quality version of the requested content (among all the versions of the requested content) are identified via crowdsourcing.

Power aware adaptation for a power aware video streaming system may be based on the complexity information conveyed in different ways. A complexity level of a data stream, such as a video data stream, may be selected as a function of a remaining battery power of a wireless transmit/receive unit (WTRU) and on a state set of a plurality of state sets that may be stored and/or managed by the WTRU. These state sets may correspond to, for example, different content sources and/or different complexity estimation algorithms and may be used to select the complexity level of the data stream. The data stream may then be received at the selected complexity level. The complexity level and/or a bitrate of the data stream may be adapted to accommodate, for example, the remaining battery power and/or other circumstances. The adaptation may be customized according to the objectives of use cases.

A method for managing the HTTP adaptive streaming of an item of digital content within a multimedia stream player terminal in a local communication network is disclosed, the multimedia stream player terminal being associated with a terminal for rendering the item of digital content. On detection of an active state of a screen saver mode of the rendering terminal, such a management method implements a progressive reduction of a video rendering quality of the streamed item of digital content, and maintains an audio rendering quality of the item of content.

Provided is an image processing device including at least one processor, in which the processor acquires a first performance evaluation value related to performance of a first imaging apparatus of a first user who is one of a plurality of users, acquires a second performance evaluation value related to performance of a second imaging apparatus of a second user different from the first user among the plurality of users, specifies an image of the second user corresponding to the second imaging apparatus having the second performance evaluation value, which is equal to or larger than the first performance evaluation value, from shared images which are limitedly shared by the plurality of users, and sets a presentation priority of a specific image, which is the specified image, to the first user to be higher than presentation priorities of other shared images.