Crypto-synchronization for secure communication
    2.
    发明授权
    Crypto-synchronization for secure communication 有权
    用于安全通信的加密同步

    公开(公告)号:US07715559B2

    公开(公告)日:2010-05-11

    申请号:US10926830

    申请日:2004-08-26

    IPC分类号: H04L1/00

    摘要: An apparatus (213) and corresponding methods (FIG. 7) to facilitate maintaining crypto synchronization while processing communication signals in a communication unit includes a vocoder (215) configured to convert input audio band signals to vocoder output frames; a crypto processor (217) configured to encrypt the vocoder output frames to provide encrypted output frames; and a synchronizer (219) configured to substitute in a predetermined manner synchronization information corresponding to an encryption state of the crypto processor for a portion of the encrypted data in a portion of the encrypted output frames to provide resultant output synchronization frames suitable for synchronizing a decryption process at a target communication unit.

    摘要翻译: 在通信单元处理通信信号的同时,有助于保持加密同步的装置(213)和相应的方法(图7)包括配置成将输入音频信号转换为声码器输出帧的声码器(215) 密码处理器,被配置为加密所述声码器输出帧以提供加密的输出帧; 以及同步器(219),被配置为以预定方式替换与所述加密处理器的加密状态相对应的加密数据的一部分的加密输出帧的一部分的同步信息,以提供适合于同步解密的合成输出同步帧 在目标通信单元处理。

    Speakerphone having improved outbound audio quality
    4.
    发明授权
    Speakerphone having improved outbound audio quality 有权
    扬声器具有改善的出站音频质量

    公开(公告)号:US07123714B2

    公开(公告)日:2006-10-17

    申请号:US10925399

    申请日:2004-08-25

    IPC分类号: H04M1/00

    摘要: A telephone (310) and a method for providing outbound audio when the telephone is operating in a speakerphone mode. A first data unit (350) including a first unit type identifier (360) can be received by the telephone. The first unit type identifier can be an indicator of a type of audio data contained in the first data unit. For instance, the first unit type identifier can indicate whether the audio data is music or non-music audio data. If the first unit type identifier has a first value, for example a value indicating that the audio data is music data, unmuted outbound audio reproduced from the first data unit can be provided and voice activity detection can be disabled. Additionally, inbound audio can be muted.

    摘要翻译: 一种电话机(310)以及一种在电话机以扬声器模式操作时提供出站音频的方法。 包括第一单元类型标识符(360)的第一数据单元(350)可以被电话接收。 第一单元类型标识符可以是包含在第一数据单元中的音频数据的类型的指示符。 例如,第一单位类型标识符可以指示音频数据是音乐还是非音乐音频数据。 如果第一单位类型标识符具有第一值,例如指示音频数据是音乐数据的值,则可以提供从第一数据单元再现的未静音的出站音频,并且可以禁用语音活动检测。 此外,入站音频可以静音。

    MIDI scalable polyphony based on instrument priority and sound quality
    5.
    发明授权
    MIDI scalable polyphony based on instrument priority and sound quality 有权
    基于乐器优先级和声音质量的MIDI可伸缩复音

    公开(公告)号:US07105737B2

    公开(公告)日:2006-09-12

    申请号:US10849628

    申请日:2004-05-19

    IPC分类号: G10H7/00

    摘要: A method of scaling polyphony can include identifying music data to be played (415), wherein the music data indicates instruments to be used and each instrument has an assigned priority. A measure of polyphony needed to play the music data can be compared with polyphony of a sound generating device (425). If the measure of polyphony exceeds the polyphony of the sound generating device, the music data can be played without using one or more instruments indicated by the music data according to the assigned priorities (440, 460).

    摘要翻译: 缩放复音的方法可以包括识别要播放的音乐数据(415),其中音乐数据指示要使用的乐器,并且每个乐器具有分配的优先级。 演奏音乐数据所需的复音度量可以与发声装置的复音进行比较(425)。 如果复音的度量超过声音产生装置的复音,则可以根据分配的优先级(440,460)不使用由音乐数据指示的一个或多个乐器来播放音乐数据。

    Method and system for improving voice quality of a vocoder
    6.
    发明授权
    Method and system for improving voice quality of a vocoder 有权
    提高声码器语音质量的方法和系统

    公开(公告)号:US07117147B2

    公开(公告)日:2006-10-03

    申请号:US10900736

    申请日:2004-07-28

    IPC分类号: G10L11/14

    CPC分类号: G10L19/09

    摘要: The invention concerns a method (300) and system (100) for improving voice quality of a vocoder (138, 158). The method includes the steps of monitoring (312) a pitch of a voice signal (400) at a transmitting unit (110); when the pitch of the voice signal reaches a predetermined threshold (840), shifting (326) the pitch of the voice signal to at least a portion of a predetermined range (810); transmitting (338) the pitch-shifted voice signal to a receiving unit (112); and at the receiving unit, reshifting (342) the pitch-shifted voice signal to a level that compensates the step of shifting the pitch of the voice signal at the transmitting unit.

    摘要翻译: 本发明涉及用于改善声码器(138,158)的语音质量的方法(300)和系统(100)。 该方法包括以下步骤:在发送单元(110)处监视(312)语音信号(400)的音调; 当语音信号的音调达到预定阈值(840)时,将语音信号的音调移位(326)至预定范围的至少一部分(810); 将音调移位的语音信号发送(338)到接收单元(112); 并且在接收单元处,将音调移位的语音信号转换(342)到补偿在发送单元处移动语音信号的音高的步骤的水平。

    Method and device configured for sound signature detection
    8.
    发明授权
    Method and device configured for sound signature detection 有权
    配置用于声音签名检测的方法和设备

    公开(公告)号:US08150044B2

    公开(公告)日:2012-04-03

    申请号:US11966457

    申请日:2007-12-28

    IPC分类号: H03G3/20 H04R29/00 H04R25/00

    摘要: Methods for personalized listening which can be used with an earpiece are provided. A method includes capturing ambient sound from an Ambient Sound Microphone (ASM) of an earpiece partially or fully occluded in an ear canal, monitoring the ambient sound for a target sound, and adjusting by way of an Ear Canal Receiver (ECR) in the earpiece a delivery of audio to an ear canal based on a detected target sound. A volume of audio content can be adjusted upon the detection of a target sound, and an audible notification can be presented to provide a warning.

    摘要翻译: 提供了可与耳机一起使用的个性化聆听方法。 一种方法包括从耳机部分或全部闭塞的耳机的环境声音麦克风​​(ASM)中捕获环境声音,监测目标声音的环境声音,以及通过听筒中的耳道接收器(ECR)进行调节 基于检测到的目标声音向耳道传送音频。 可以在检测到目标声音时调整音量的音量,并且可以呈现可听见的通知以提供警告。

    METHOD AND DEVICE CONFIGURED FOR SOUND SIGNATURE DETECTION
    9.
    发明申请
    METHOD AND DEVICE CONFIGURED FOR SOUND SIGNATURE DETECTION 有权
    配置用于声音签名检测的方法和设备

    公开(公告)号:US20080240458A1

    公开(公告)日:2008-10-02

    申请号:US11966457

    申请日:2007-12-28

    IPC分类号: A61F11/06

    摘要: At least one exemplary embodiment is directed to a method for personalized listening which can be used with an earpiece is provided that can include capturing ambient sound from an Ambient Sound Microphone (ASM) of an earpiece partially or fully occluded in an ear canal, monitoring the ambient sound for a target sound, and adjusting by way of an Ear Canal Receiver (ECR) in the earpiece a delivery of audio to an ear canal based on a detected target sound. A volume of audio content can be adjusted upon the detection of a target sound, and an audible notification can be presented to provide a warning.

    摘要翻译: 至少一个示例性实施例涉及用于个性化聆听的方法,其可以与耳机一起使用,该耳机可以包括从部分地或完全闭合在耳道中的耳机的环境声音麦克风​​(ASM)捕获环境声音,监视 用于目标声音的环境声音,以及通过听筒中的耳道接收器(ECR),基于检测到的目标声音向耳道传送音频。 可以在检测到目标声音时调整音量的音量,并且可以呈现可听见的通知以提供警告。

    Method and apparatus for enhancing loudness of a speech signal
    10.
    发明授权
    Method and apparatus for enhancing loudness of a speech signal 有权
    提高语音信号响度的方法和装置

    公开(公告)号:US07676362B2

    公开(公告)日:2010-03-09

    申请号:US11026785

    申请日:2004-12-31

    CPC分类号: G10L19/26 G10L25/15

    摘要: A speech filter (108) enhances the loudness of a speech signal by expanding the formant regions of the speech signal beyond a natural bandwidth of the formant regions. The energy level of the speech signal is maintained so that the filtered speech signal contains the same energy as the pre-filtered signal. By expanding the formant regions of the speech signal on a critical band scale corresponding to human hearing, the listener of the speech signal perceives it to be louder even though the signal contains the same energy.

    摘要翻译: 语音滤波器(108)通过扩展语音信号的共振峰区域超过共振峰区域的自然带宽来增强语音信号的响度。 保持语音信号的能量水平,使得经滤波的语音信号包含与预滤波信号相同的能量。 通过在对应于人类听觉的临界频带尺度上扩展语音信号的共振峰区域,即使该信号包含相同的能量,语音信号的收听者感觉到它更响亮。