专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US6157681A Transmitter system and method of operation therefor 失效
标题翻译：变送器系统及其操作方法
公开(公告)号：US6157681A
公开(公告)日：2000-12-05
申请号：US55395
申请日：1998-04-06
申请人： Brian Michael Daniel , Kenneth Maynard Peterson , William George Schmidt
发明人： Brian Michael Daniel , Kenneth Maynard Peterson , William George Schmidt
IPC分类号： H01Q3/26 , H03D5/00 , H04L27/18 , H04L27/34 , H04L27/36 , H03C7/02 , H04B1/02 , H04L27/04
CPC分类号： H04L27/18 , H01Q3/26 , H03D5/00 , H04L27/34
摘要： A transmitter system (18) which transmits a communication signal (14) through a phased-array antenna (10) uses a signal processor (26) and a multiplicity of direct modulators (30). Each direct modulator (30) drives a single element (12) of the antenna (10). Each direct modulator (30) receives a digital baseband phase point data signal (62) from a digital data stream (28). The digital data stream (28) also conveys digital beam formation data (60). Each direct modulator (30) digitally combines the baseband phase point data (62) with the beam formation data (60) to produce digital streams that modulate an RF carrier signal (34). The digital data stream (28) is generated by a phased-array signal processor (26) which processes user data bits (86) received from any number of input signals (22) and processes beam signals (24). In one embodiment, the signal processor (26) calculates phase point data (62) representative of all input signals (22).
摘要翻译：通过相控阵天线（10）发送通信信号（14）的发射机系统（18）使用信号处理器（26）和多个直接调制器（30）。每个直接调制器（30）驱动天线（10）的单个元件（12）。每个直接调制器（30）从数字数据流（28）接收数字基带相位点数据信号（62）。数字数据流（28）还传送数字波束形成数据（60）。每个直接调制器（30）将基带相位点数据（62）与波束形成数据（60）进行数字组合，以产生调制RF载波信号（34）的数字流。数字数据流（28）由处理从任意数量的输入信号（22）接收的用户数据位（86）并处理波束信号（24）的相控阵列信号处理器（26）产生。在一个实施例中，信号处理器（26）计算表示所有输入信号（22）的相位点数据（62）。

2. 发明授权

US6094628A Method and apparatus for transmitting user-customized high-quality, low-bit-rate speech 失效
标题翻译：发送用户定制的高质量，低比特率语音的方法和装置
公开(公告)号：US6094628A
公开(公告)日：2000-07-25
申请号：US28111
申请日：1998-02-23
申请人： William Joe Haber , George Thomas Kroncke , William George Schmidt
发明人： William Joe Haber , George Thomas Kroncke , William George Schmidt
IPC分类号： G10L19/00 , G10L25/00 , G10L3/02
CPC分类号： G10L19/00 , G10L25/00
摘要： A method and apparatus for improving the quality and transmission rates of speech is presented. Upon connection of a call with a receiving terminal, a communication unit (12, 26, 28, 42, 57, 54, 60) reads a dynamic user-specific speech characteristics model (SCM) table and user-specific input stimulus table and sends them to an appropriate point in the connection path with the receiving terminal. As normal voice conversation begins, the user's speech is collected into speech frames. The speech frames are compared to input stimuli entries in the user-specific input stimulus table, and are used to calculate SCMs which are compared to dynamic user-specific SCM table entries in the dynamic user-specific SCM table to generate an encoded bit stream. Simultaneously, speech characteristics statistics are collected and analyzed in view of multiple available generic SCMs to update and improve the dynamic user-specific SCM table during the progress of the call to closely track changes in the user's voice.
摘要翻译：提出了一种用于提高语音质量和传输速率的方法和装置。在通话与接收终端连接时，通信单元（12,26,28,42,57,54,60）读取动态用户特定语音特征模型（SCM）表和用户专用输入激励表，并发送它们到与接收终端的连接路径中的适当点。当正常语音对话开始时，用户的语音被收集到语音帧中。将语音帧与用户专用输入激励表中的输入刺激条目进行比较，并且用于计算与动态用户专用SCM表中的动态用户特定SCM表条目进行比较以生成编码比特流的SCM。同时，根据多个可用的通用SCM收集和分析语音特征统计信息，以在通话过程中更新和改进动态用户特定的SCM表，以密切跟踪用户语音的变化。

3. 发明授权

US6160585A System for selective multicasting in a communications system 失效
标题翻译：在通信系统中进行选择性组播的系统
公开(公告)号：US6160585A
公开(公告)日：2000-12-12
申请号：US990394
申请日：1997-12-15
申请人： William George Schmidt , Om Prakash Gupta
发明人： William George Schmidt , Om Prakash Gupta
IPC分类号： H04N7/16 , H04N21/235 , H04N21/435 , H04N21/81 , H04N7/18
CPC分类号： H04N21/812 , H04N7/165 , H04N21/235 , H04N21/435
摘要： A transmitting unit (10) transmits a video digital signal. The transmitting unit (10) is the delivery system associated with a source that can provide digital video signals, including but not necessarily limited to a satellite television system, a local television station or a cable television provider. A receiving unit (100) receives the broadcasted signal and demultiplexes the signal into a multicasting segment (52) and a baseline video bitstream (54). A portion of the multicasting segment (52) is stored in memory until such time that it is displayed on a television monitor (110). The baseline video bitstream (54) usually comprises a television show which is displayed on the television monitor (110) unless the multicasting segment (52) (e.g., commercial) is being displayed.
摘要翻译：发送单元（10）发送视频数字信号。发送单元（10）是与可以提供数字视频信号的源相关联的传送系统，包括但不一定限于卫星电视系统，本地电视台或有线电视提供商。接收单元（100）接收所广播的信号，并将该信号解复用为多播段（52）和基线视频位流（54）。多播段（52）的一部分被存储在存储器中，直到其被显示在电视监视器（110）上。基线视频比特流（54）通常包括显示在电视监视器（110）上的电视节目，除非正在显示多播节目（52）（例如广告）。

4. 发明授权

US5774856A User-Customized, low bit-rate speech vocoding method and communication unit for use therewith 失效
标题翻译：用户定制的低比特率语音声码方法和与其一起使用的通信单元
公开(公告)号：US5774856A
公开(公告)日：1998-06-30
申请号：US537583
申请日：1995-10-02
申请人： William Joe Haber , George Thomas Kroncke , William George Schmidt , Martin John O'Sullivan
发明人： William Joe Haber , George Thomas Kroncke , William George Schmidt , Martin John O'Sullivan
IPC分类号： G10L17/00 , G10L19/14 , G10L3/02
CPC分类号： G10L25/00 , G10L19/00 , G10L17/00
摘要： A voice encoding method �and apparatus initialize! initializes (160) transmit and receive vocoders operated within communication units (12, 42) with a user-unique speech characteristic model (SCM) table (320) and an input stimulus table (340). The SCM table (320) and input stimulus table (340) are created during a training task (120) and stored (144) in a user information card (360), within a communication unit (60), or at a control facility (90). During call setup, the tables are exchanged (180) between the transmit and receive vocoders and the user's speech is encoded (200) using the SCM table (320) and input stimulus table (340). During encoding (200), either compressed table entries that most closely match the input speech, or indexes that identify the closest table entries are sent (220) in a bitstream to the receive vocoder. The SCM table (320) and input stimulus table (340) can be updated (240) during or after the call.
摘要翻译：语音编码方法[和装置初始化]利用用户唯一的语音特征模型（SCM）表（320）和输入激励表（340）来初始化（160）发送和接收在通信单元（12,42）内操作的声码器。 SCM表（320）和输入激励表（340）在训练任务（120）期间创建并存储（144）在用户信息卡（360）中，在通信单元（60）内，或在控制设备 90）。在呼叫建立期间，在发送和接收声码器之间交换表（180），并且使用SCM表（320）和输入激励表（340）对用户的语音进行编码（200）。在编码（200）期间，将最接近匹配输入语音的压缩表条目或识别最接近的表条目的索引在比特流中发送（220）到接收声码器。在呼叫期间或之后，SCM表（320）和输入激励表（340）可被更新（240）。

5. 发明授权

US5754536A Digital speech interpolation method and apparatus 失效
标题翻译：数字语音插值方法和装置
公开(公告)号：US5754536A
公开(公告)日：1998-05-19
申请号：US550319
申请日：1995-10-30
申请人： William George Schmidt
发明人： William George Schmidt
IPC分类号： H04J3/14 , H04J3/17 , H04J4/00 , H04J3/16
CPC分类号： H04J3/14 , H04J3/172 , H04J4/00
摘要： The method and apparatus of the present invention uses DSI with a TDMA/FDMA communication protocol. For each speech frame detected by a speech detector (110), a communication unit (CU) (108) sends (440) a speech detected indicator (SDI) (208) to a switching facility (SF) (138). In response, the SF (138) allocates an uplink reuse unit (260) which identifies a carrier frequency (301-360) and timeslot (190-193) which the CU (108) should use to transmit a traffic burst containing a compressed speech frame. The SF (138) allocates (506) the uplink reuse unit (260) from a pool of available uplink reuse units and, if necessary, allocates a downlink reuse unit (262) from a pool of available downlink reuse units. A message (220) describing the reuse units (260, 262) is transmitted (508) to the CU (108) which then transmits (450) and receives (480) traffic bursts during the allocated reuse units (260, 262).
摘要翻译：本发明的方法和装置使用具有TDMA / FDMA通信协议的DSI。对于由语音检测器（110）检测到的每个语音帧，通信单元（CU）（108）向语音检测器（108）发送（440）语音检测指示符（SDI）（208）（138）。作为响应，SF（138）分配上行链路重用单元（260），其标识CU（108）应用于发送包含压缩语音的业务突发的载波频率（301-360）和时隙（190-193）帧。 SF（138）从可用上行链路重用单元池中分配（506）上行链路重用单元（260），如果需要，从可用下行链路重用单元池中分配下行链路重用单元（262）。向CU（108）发送描述重用单元（260,262）的消息（220）（508），然后在分配的重用单元（260,262）期间发送（450）并接收（480）业务突发。

6. 发明授权

US6144654A Method of combining and separating groups of multiple CDMA-encoded data signals and apparatus therefor 失效
标题翻译：组合和分离多个CDMA编码数据信号组的方法及其装置
公开(公告)号：US6144654A
公开(公告)日：2000-11-07
申请号：US929122
申请日：1997-09-03
申请人： Rodrigo Ibanez-Meier , Brian Michael Daniel , Keith Andrew Olds , William George Schmidt
发明人： Rodrigo Ibanez-Meier , Brian Michael Daniel , Keith Andrew Olds , William George Schmidt
IPC分类号： H04B7/185 , H04B7/216 , H04J13/10 , H04L7/00 , H04J13/04 , H04L12/00
CPC分类号： H04B7/216 , H04B7/18532 , H04J13/102 , H04L7/00
摘要： A method and apparatus for combining and separating groups of signals starts by a transmitter (500) receiving a number of CDMA-encoded signals from data sources (510). The CDMA-encoded signals are sorted (502) based on their intended destinations. Those CDMA-encoded signals which are intended for a common destination are multiplexed (504) together into a group. The group is further CDMA encoded (506) using a group code and the encoded group is transmitted (508) to an intermediate transceiver (600) or a destination transceiver (700). The intermediate or destination transceiver decodes (604, 704) the group using the appropriate group code and routes the resulting group of signals accordingly.
摘要翻译：用于组合和分离信号组的方法和装置由从数据源（510）接收多个CDMA编码信号的发射机（500）起始。 CDMA编码信号根据其预期目的地进行排序（502）。用于公共目的地的那些CDMA编码信号被多路复用（504）在一起。该组进一步使用组码进行CDMA编码（506），并且将编码组发送（508）到中间收发器（600）或目的收发器（700）。中间或目的地收发器使用适当的组码解码（604,704）该组，并相应地路由所得到的信号组。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式