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    • 7. 发明申请
    • SYSTEM AND METHOD FOR INCREASING TRANSMISSION BANDWIDTH EFFICIENCY (
    • US20180068665A1
    • 2018-03-08
    • US15706079
    • 2017-09-15
    • Sirius XM Radio Inc.
    • Paul MarkoDeepen SinhaHariom Aggrawal
    • G10L19/008H04H60/58G10L19/00G10L19/02
    • G10L19/008G10L19/00G10L19/0212G10L2019/0001H04H60/58H04H2201/18
    • Systems and methods for increasing transmission bandwidth efficiency by the analysis and synthesis of the ultimate components of transmitted content are presented. To implement such a system, a dictionary or database of elemental codewords can be generated from a set of audio clips. Using such a database, a given arbitrary song or other audio file can be expressed as a series of such codewords, where each given codeword in the series is a compressed audio packet that can be used as is, or, for example, can be tagged to be modified to better match the corresponding portion of the original audio file. Each codeword in the database has an index number or unique identifier. For a relatively small number of bits used in a unique ID, e.g. 27-30, several hundreds of millions of codewords can be uniquely identified. By providing the database of codewords to receivers of a broadcast or content delivery system in advance, instead of broadcasting or streaming the actual compressed audio signal, all that need be transmitted is the series of identifiers along with any modification instructions to the identified codewords. After reception, intelligence on the receiver having access to a locally stored copy of the dictionary can reconstruct the original audio clip by accessing the codewords via the received IDs, modify them as instructed by the modification instructions, further modify the codewords either individually or in groups using the audio profile of the original audio file (also sent by the encoder) and play back a generated sequence of phase corrected codewords and modified codewords as instructed. In exemplary embodiments of the present invention, such modification can extend into neighboring codewords, and can utilize either or both (i) cross correlation based time alignment and (ii) phase continuity between harmonics, to achieve higher fidelity to the original audio clip.
    • 10. 发明申请
    • Systems and Methods for Transmitting Conditional Access Information
    • 用于传输条件访问信息的系统和方法
    • US20160234690A1
    • 2016-08-11
    • US15013006
    • 2016-02-02
    • Sirius XM Radio Inc.
    • Richard Andrew MichalskiMark RindsbergAshok VadekarPaul MarkoCraig Wadin
    • H04W12/08H04W12/06H04L9/32H04W48/10
    • H04W12/08H04L9/3242H04W4/06H04W4/12H04W12/06H04W48/10
    • Various multiple methods of data transport, and combinations thereof, may be used to initialize or update conditional access information on various devices. In an integrated device having both a broadcast receiver, such as an SDARS receiver, and a two-way communications transceiver, such as an LTE, 3G, 4G or 5G modem, or the like, conditional access information for the broadcast receiver may be sent to the transceiver, and then passed to the broadcast receiver, or vice versa. Additionally, for example, the broadcast receiver may be sent, over the broadcast communications channel, a “wake-up” message for the two-way transceiver, which message may then be passed to the two-way transceiver, so as to make it ready to receive conditional access information over the two-way communications channel, or vice versa. Moreover, because of the presence of a two-way communications path, various acknowledgements of conditional access status updates received and processed by the broadcast receiver may be sent—thus realizing a significant improvement over the current practice of sending multiple periodic messages over the broadcast channel, to insure (but never have confirmation of) receipt.
    • 可以使用各种多种数据传输方法及其组合来初始化或更新各种设备上的条件访问信息。 在具有诸如SDARS接收机的广播接收机和诸如LTE,3G,4G或5G调制解调器等的双向通信收发器的集成设备中,可以发送广播接收机的条件访问信息 到收发器,然后传送到广播接收机,反之亦然。 此外,例如,广播接收机可以通过广播通信信道发送用于双向收发信机的“唤醒”消息,该消息然后可以被传送到双向收发信机,以使其成为 准备通过双向通信信道接收条件访问信息,反之亦然。 此外,由于存在双向通信路径,可以发送广播接收机接收和处理的各种对条件接入状态更新的确认 - 从而实现了比目前在广播信道上发送多个周期性消息的做法的显着改进 ,以确保(但从未有确认)收据。