Systems and methods for implementing efficient cross-fading between compressed audio streams

    公开(公告)号:US09779736B2

    公开(公告)日:2017-10-03

    申请号:US14395183

    申请日:2013-04-17

    CPC classification number: G10L19/00 G11B27/031 G11B27/038 H04H20/38 H04H60/04

    Abstract: Systems and methods are presented for efficient cross-fading (or other multiple clip processing) of compressed domain information streams on a user or client device, such as a telephone, tablet, computer or MP3 player, or any consumer device with audio playback. Exemplary implementation systems may provide cross-fade between AAC/Enhanced AAC Plus (EAACPIus) information streams or between MP3 information streams or even between information streams of unmatched formats (e.g. AAC to MP3 or MP3 to AAC). Furthermore, these systems are distinguished by the fact that cross-fade is directly applied to the compressed bitstreams so that a single decode operation may be performed on the resulting bitstream. Moreover, using the described methods, similar cross fade in the compressed domain between information streams utilizing other formats of compression, such as, for example, MP2, AC-3, PAC, etc. can also be advantageously implemented. Thus, in exemplary embodiments of the present invention a set of frames from each input stream associated with the time interval in which a cross fade is decoded, and combined and recoded with a cross fade or other effect now in the compressed bitstream. Once sent through the client device's decoder, the user hears the transitional effect. The only input data that is decoded and processed is that associated with the portion of each stream used in the crossfade, blend or other interstitial, and thus the vast majority of the input streams are left compressed.

    WIRELESS SATELLITE DIGITAL AUDIO RADIO SERVICE (SDARS) HEAD UNIT WITH PORTABLE SUBSCRIPTION AND CELL PHONE ABILITIES
    24.
    发明申请
    WIRELESS SATELLITE DIGITAL AUDIO RADIO SERVICE (SDARS) HEAD UNIT WITH PORTABLE SUBSCRIPTION AND CELL PHONE ABILITIES 有权
    无线卫星数字音频无线电服务(SDARS)耳机有便利的订阅和电话电话

    公开(公告)号:US20170054521A1

    公开(公告)日:2017-02-23

    申请号:US15187128

    申请日:2016-06-20

    Abstract: A system and method for automated activation of a radio, or content receiver, used to receive subscription radio services such as XM or Sirius radio. A wireless communications device with a short range data link wirelessly communicates with the content receiver to control the content receiver and receive a unique identification code from the content receiver. The wireless communications device also has its own unique identification code. The wireless communications device transmits an activation request message over a long range wireless communications link to a control station. The activation request message contains the receivers unique identification code and the communications device's own unique identification code. The control station maintains a database of valid identification codes that is used to authenticate the request. If the control station receives a valid request, an activation signal is sent to the receiver to allow operation of the receiver.

    Abstract translation: 用于自动激活用于接收诸如XM或Sirius无线电的订阅无线电服务的无线电或内容接收机的系统和方法。 具有短距离数据链路的无线通信设备与内容接收器无线地通信,以控制内容接收器并从内容接收器接收唯一的识别码。 无线通信设备还具有其自己唯一的识别码。 无线通信设备通过远程无线通信链路向控制站发送激活请求消息。 激活请求消息包含接收机唯一标识码和通信设备自己唯一的识别码。 控制站维护用于认证请求的有效识别码的数据库。 如果控制站接收到有效请求,则将激活信号发送到接收机以允许接收机的操作。

    Satellite Provisioning of Cell Service
    25.
    发明申请
    Satellite Provisioning of Cell Service 审中-公开
    卫星提供小区业务

    公开(公告)号:US20170054493A1

    公开(公告)日:2017-02-23

    申请号:US15255552

    申请日:2016-09-02

    Abstract: Satellite provisioning of cell service for an in-vehicle telematics control unit (“TCU”) is presented. Thus, a truly carrier independent TCU is facilitated. A TCU may be provided with a cellular modem and two or more SIM cards, each associated with a cellular carrier that has approved the modem and their SIM card. The TCU may also be provided with connectivity to a satellite, such as, for example, via an SDARS antenna and processing module, that can receive and process SDARS audio and data signals. When a user desires to change from one of the cellular carriers to another, provisioning data for the new carrier's SIM, now already in the telematics system, may be (i) sent over the satellite, (ii) received at the satellite antenna, and (iii) passed to a telematics processor. The telematics processor, in turn, may (iv) deliver the provisioning data to the cell modem, which may then (v) program the appropriate SIM with the provisioning data, thus allowing cellular communications on the new carrier's network. The inventive functionality facilitates easily switching carriers as one crosses a border, or when a new vehicle is imported to a given country, and cellular service then or there available on one of the approved carriers is easily chosen by a user and turned on. The TCU may also include a Wi-Fi module, configured to receive provisioning instructions or data over a Wi-Fi network.

    Abstract translation: 提供车载远程信息处理控制单元(“TCU”)的蜂窝服务的卫星提供。 因此,促进了真正的运营商独立TCU。 TCU可以设置有蜂窝调制解调器和两个或更多个SIM卡,每个SIM卡与已批准调制解调器及其SIM卡的蜂窝载波相关联。 也可以向TCU提供与卫星的连接,例如经由可以接收和处理SDARS音频和数据信号的SDARS天线和处理模块。 当用户期望从蜂窝载波之一改变为另一个时,现在已经在远程信息处理系统中的新载波的SIM的供应数据可以是(i)通过卫星发送,(ii)在卫星天线处接收,以及 (iii)传送到远程信息处理器。 远程信息处理器又可以(iv)将供应数据传送到小区调制解调器,然后可以(v)使用供应数据来编程适当的SIM,从而允许新载波的网络上的蜂窝通信。 本发明的功能有助于在跨越边界时容易地切换运营商,或者当新车辆被导入到给定国家时,并且在一个认可运营商上可用的蜂窝服务容易地由用户选择并打开。 TCU还可以包括被配置为通过Wi-Fi网络接收供应指令或数据的Wi-Fi模块。

    System and Method For Improved Updating And Annunciation Of Traffic Enforcement Camera Information In A Vehicle Using A Broadcast Content Delivery Service
    26.
    发明申请
    System and Method For Improved Updating And Annunciation Of Traffic Enforcement Camera Information In A Vehicle Using A Broadcast Content Delivery Service 有权
    使用广播内容传送服务改进车辆中交通执行摄像机信息的更新和通知的系统和方法

    公开(公告)号:US20160381325A1

    公开(公告)日:2016-12-29

    申请号:US15189440

    申请日:2016-06-22

    Abstract: An enhanced broadcast data service with reports locations of traffic enforcement camera locations e.g., red light cameras and speed cameras) to users. Traffic enforcement camera information is aggregated, verified (e.g., particularly as to traffic enforcement camera type) and stored (e.g., at a server). A broadcast signal comprising program channels and at least one data channel having traffic enforcement camera information is transmitted to a plurality of receivers. Receivers store at least a subset of the traffic enforcement camera information available from the server and synchronize to it using periodic transmitted updates. Receivers compare receiver location data with stored camera location data, and display or generate audible alerts when the receiver is within a Selected geographic range of a traffic enforcement camera. Alerts can be filtered as to camera type. A alerts can employ different color camera icons superimposed on a screen map depending on camera type or whether the camera is newly added.

    Abstract translation: 增强的广播数据服务,其中报告交通执行相机位置的位置,例如红光照相机和速度相机)给用户。 交通执行相机信息被聚合,验证(例如,特别是关于交通执行相机类型)并被存储(例如,在服务器处)。 包括节目频道的广播信号和具有交通执行相机信息的至少一个数据信道被发送到多个接收机。 接收器至少存储从服务器获得的交通执法摄像机信息的一个子集,并使用定期传输的更新进行同步。 接收器将接收机位置数据与存储的摄像机位置数据进行比较,并且当接收机位于交通执法摄像机的选定地理范围内时,显示或生成可听到的警报。 相机类型可以过滤警报。 警报可以根据相机类型或相机是否新添加,使用叠加在屏幕地图上的不同颜色的相机图标。

    Systems and Methods for Cost Effective Distribution of Files to User Devices Using Combination of Broadcast and Two-Way Communication Paths
    29.
    发明申请
    Systems and Methods for Cost Effective Distribution of Files to User Devices Using Combination of Broadcast and Two-Way Communication Paths 审中-公开
    使用广播和双向通信路径组合对用户设备进行文件成本有效分配的系统和方法

    公开(公告)号:US20150271247A1

    公开(公告)日:2015-09-24

    申请号:US14438147

    申请日:2013-10-25

    Abstract: Hybrid file delivery systems and methods divide one or more files into parts for transmission to plural user devices during a first transmission phase employing one or more one-to-many communication paths (e.g., broadcast or multicast), and then transmit missing file parts to designated user devices during a second transmission phase employing respective one-to-one communication paths. User devices are configured with specified criteria for when and how to report file delivery status to a file delivery center that maintains a database of target user devices, file delivery campaigns, and statuses of file delivery completion at the user devices. The file delivery center can employ the database information to determine cost benefit for delivery of a file using two different transmission modalities and control when to switchover to or commence the second transmission phase after the first transmission phase.

    Abstract translation: 在采用一个或多个一对多通信路径(例如,广播或多播)的第一传输阶段期间,混合文件传送系统和方法将一个或多个文件分成多个用户设备传输到多个用户设备,然后将丢失的文件部分传送到 在第二传输阶段使用相应的一对一通信路径的指定用户设备。 用户设备配置有指定的标准,用于何时以及如何将文件传送状态报告给维护用户设备的目标用户设备数据库,文件传送活动和文件传送完成状态的文件传送中心。 文件传送中心可以使用数据库信息来确定使用两种不同传输模式传递文件的成本效益,并且控制在第一传输阶段之后切换到或开始第二传输阶段的时间。

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