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    • 1. 发明申请
    • BIOMETRIC AUDIO SECURITY
    • 生物语音安全
    • US20150025889A1
    • 2015-01-22
    • US14184618
    • 2014-02-19
    • Lloyd TrammellLawrence Schwartz
    • Lloyd TrammellLawrence Schwartz
    • G07C9/00G10L17/02G10L25/51G10L17/00
    • G07C9/00134G06F21/32G10L17/005G10L17/02G10L21/0316G10L25/51
    • A biometric audio security system comprises providing an input voice audio source. The input audio is enhanced in two or more harmonic and dynamic ranges by re-synthesizing the audio into a full range PCM wave. A hardware key with a set of audio frequency spikes (identifiers) with varying amplitude and frequency values is provided. The enhanced voice audio input and the key using additive resynthesis are summed. The voice and the spike set is compared against the users identification signature to verify user's identity. The set of audio spikes are user specific. The spikes are stored on the protected key device as a template, which would plug into the system. The template is determined by the owner/manufacturer of the system. The spikes are created and identified using the additive synthesis technique with a predetermined number of partials (harmonics). The identifiers include both positive and negative values. The amplitude and frequency values are spaced in very fine intervals. The enhancing of voice audio input includes the parallel processing the input audio as follows: A module that is a low pass filter with dynamic offset;An envelope controlled band-pass filter; A high pass filter; Adding an amount of dynamic synthesized sub bass to the audio; and combining the four treated audio signals in a summing mixer with the original audio.
    • 生物测定音频安全系统包括提供输入语音音频源。 通过将音频重新合成为全范围PCM波,输入音频在两个或多个谐波和动态范围内增强。 提供了具有变化幅度和频率值的一组音频频率尖峰(标识符)的硬件密钥。 增强语音音频输入和使用加法复合的密钥相加。 将语音和尖峰集与用户身份签名进行比较,以验证用户的身份。 这组音频峰值是用户特定的。 尖峰存储在受保护的关键设备上作为模板,将插入系统。 该模板由系统的所有者/制造商决定。 使用具有预定数量的部分(谐波)的加法合成技术来创建和识别尖峰。 标识符包括正值和负值。 幅度和频率值以非常细的间隔隔开。 语音音频输入的增强包括并行处理输入音频如下:一个是具有动态偏移的低通滤波器的模块; 包络控制带通滤波器; 高通滤波器 向音频添加一定量的动态合成低音; 以及将加和混音器中的四个经处理的音频信号与原始音频组合。
    • 3. 发明申请
    • SOUND ENHANCEMENT FOR TELEVISION SPEAKERS
    • 电视扬声器的声音增强
    • US20150236664A1
    • 2015-08-20
    • US14185843
    • 2014-02-20
    • Lloyd Trammell
    • Lloyd Trammell
    • H03G5/16H04R5/04H04R3/00
    • H04R5/04H03G9/005H03G9/025H04R3/04H04R2430/03
    • A process and system for enhancing and customizing sound includes receiving an input audio sound and enhancing the voice audio input in two or more harmonic and dynamic ranges by re-synthesizing the audio into a full range PCM wave. A tone adjusting circuit is provided which includes a first section for adjusting a low frequency tone, a second section for adjusting a mid frequency tone, a third section for adjusting a high frequency tone and mixing the audio outputs processed by the first, second and third sections to produce an output audio sound. The enhancement includes the parallel processing the input audio via a low pass filter with dynamic offset, an envelope controlled bandpass filter, a high pass filter, adding an amount of dynamic synthesized sub bass to the audio and combining the four treated audio signals in a summing mixer with the original audio. The low frequency tone has a frequency of 100 Hz and a bandwidth of 0.5. The mid frequency tone has a frequency of 2500 Hz and an adjustable bandwidth and the high frequency tone has a frequency of 10 KHz and an adjustable bandwidth.
    • 用于增强和定制声音的过程和系统包括通过将音频重新合成为全范围PCM波,来接收输入音频声音并且增强两个或多个谐波和动态范围内的语音音频输入。 提供一种音调调节电路,其包括用于调节低频音调的第一部分,用于调节中频音调的第二部分,用于调节高频音调的第三部分和将由第一,第二和第三 部分产生输出音频声音。 该增强包括通过具有动态偏移的低通滤波器并行处理输入音频,包络受控带通滤波器,高通滤波器,向音频添加一定量的动态合成低音,并将四个处理过的音频信号组合在一个求和中 混音器与原始音频。 低频音频的频率为100Hz,带宽为0.5。 中频调频具有2500Hz的频率和可调节的带宽,高频音频的频率为10KHz,带宽可调。
    • 4. 发明申请
    • DEVICE ECHO CANCELLATION
    • 设备ECHO CANCELLATION
    • US20140376732A1
    • 2014-12-25
    • US14184623
    • 2014-02-19
    • Lloyd TrammellGreg Halpern
    • Lloyd TrammellGreg Halpern
    • H04R3/02
    • H04R3/02
    • A Device Echo Cancellation system and process are disclosed. According to one embodiment, the present invention comprises an input audio source that is converted to a digital signal via a PCM convertor where the amplitude of the input audio source is sampled at regular intervals and translated into digital PCM audio. The resulting PCM audio is analyzed for its dynamic and harmonic content. Corrective sound waves are then generated that reduce the repetition of the original audio (echoes). The corrective sound waves are applied to the repeating audio echoes to create corrected sound waves. The corrected audio is then outputted from the system. The analyzing step of the Device Echo Cancellation process of the present invention comprises performing an evaluation of the PCM audio for dynamic and harmonic content; identifying repetitive harmonic content (echoes) of the PCM audio; determining a scale based on the ratio of the amplitude of the first repeat harmonic to the amplitude of the input PCM audio; generating sound waves with descending amplitude levels according to the determined scale; and phase shifting the newly generated sound waves to generate corrective sound waves. The phase shift of the inventive Device Echo Cancellation process is 90 to 180 degrees.
    • 公开了一种设备回声消除系统和过程。 根据一个实施例,本发明包括经由PCM转换器转换成数字信号的输入音频源,其中输入音频源的幅度以规则的间隔被采样并转换为数字PCM音频。 分析其结果的PCM音频的动态和谐波含量。 然后产生减少原始音频(回波)的重复的纠正声波。 校正声波被应用于重复的音频回波以产生校正的声波。 然后从系统输出校正的音频。 本发明的设备回声消除处理的分析步骤包括对动态和谐波内容的PCM音频进行评估; 识别PCM音频的重复谐波内容(回波); 基于所述第一重复谐波的幅度与所述输入PCM音频的振幅的比率确定刻度; 根据确定的刻度产生具有下降幅度水平的声波; 并相移新产生的声波以产生校正声波。 本发明的设备回声消除处理的相移为90至180度。
    • 5. 发明申请
    • ACTIVE NOISE CANCELLATION METHOD FOR AIRCRAFT
    • 用于飞机的主动噪声消除方法
    • US20150358728A1
    • 2015-12-10
    • US14189982
    • 2014-02-25
    • Lloyd Trammell
    • Lloyd Trammell
    • H04R3/00
    • H04R27/00H04R2227/001H04R2499/13
    • A Noise Cancellation Process for Aircraft is disclosed. According to one embodiment, an input audio source corresponding to sound received from multiple microphones situated equidistantly in both directions in a two dimensional plane, is converted to a digital signal via an analog to digital (A/D) convertor. The A/D converted audio is analyzed for content to identify ambient noise. The frequency, amplitude and phase of the identified ambient noise is subsequently determined. A Noise correction sound wave is generated with negative phase of that corresponding to the identified ambient noise. The noise correction sound wave is added to the identified noise to create a noise corrected sound.
    • 披露了飞机噪音消除过程。 根据一个实施例,对应于在二维平面中等距离地位于两个方向上的多个麦克风接收的声音的输入音频源经由模拟(A / D)转换器被转换成数字信号。 分析A / D转换音频的内容以识别环境噪声。 随后确定所识别的环境噪声的频率,振幅和相位。 产生与所识别的环境噪声相对应的负相位的噪声校正声波。 将噪声校正声波添加到所识别的噪声中以产生噪声校正声音。
    • 6. 发明申请
    • SOUND ENHANCEMENT FOR HOME THEATERS
    • 家庭影院的声音增强
    • US20150010166A1
    • 2015-01-08
    • US14188606
    • 2014-02-24
    • Lloyd Trammell
    • Lloyd Trammell
    • H03G5/16
    • H03G5/005H03G5/165H03G9/005
    • A method and process and system for enhancing and customizing movie theatre sound includes receiving an input audio sound and enhancing the received sound. The enhanced audio sound is subsequently tone adjusted to create a tone adjusted enhanced sound, which is then outputted. The enhancement includes the parallel processing the input audio via a low pass filter with dynamic offset, an envelope controlled bandpass filter, a high pass filter, adding an amount of dynamic synthesized sub bass to the audio and combining the four treated audio signals in a summing mixer with the original audio. The tone adjustment includes a first section for adjusting a low frequency tone, a second section for adjusting a mid frequency tone, a third section for adjusting a high frequency tone and mixing the audio outputs processed by the first, second and third sections to produce a tone adjusted enhanced audio sound.
    • 用于增强和定制电影院声音的方法和过程和系统包括接收输入音频声音并增强收到的声音。 增强的音频声音随后进行音调调整,以产生音调调整的增强声音,然后输出。 该增强包括通过具有动态偏移的低通滤波器并行处理输入音频,包络受控带通滤波器,高通滤波器,向音频添加一定量的动态合成低音,并将四个处理过的音频信号组合在一个求和中 混音器与原始音频。 音调调整包括用于调节低频音调的第一部分,用于调节中频音调的第二部分,用于调节高频音调的第三部分和由第一,第二和第三部分处理的音频输出进行混合以产生 音调调节了增强的音频声音。
    • 9. 发明申请
    • DIGITAL AUDIO SOFTWARE STEREO PLUGIN
    • 数字音频软体立体声插头
    • US20140369502A1
    • 2014-12-18
    • US14205269
    • 2014-03-11
    • Lloyd Trammell
    • Lloyd Trammell
    • G10L19/008
    • G10L21/00H03G9/025
    • A process and system for enhancing and customizing audio recording and editing comprises receiving an input audio sound; setting a preset for the input audio sound to create a presetted audio sound; tone adjusting the presetted audio sound to create a tone adjusted presetted audio; expanding the tone adjusted presetted audio in a horizontal plane to create an presetted tone adjusted expanded audio; and outputting the presetted tone adjusted expanded audio. There are three options for selecting the preset. These are: ten or more presets for different genres of music; auto-preset that is selected by genre in metadata of playback material; and a single generic preset that covers all music. Presetting comprises parallel processing the input audio through: a module that is a low pass filter with dynamic offset; an envelope controlled bandpass filter; a high pass filter; adding an amount of dynamic synthesized sub bass to the audio; and combining the four treated audio signals in a summing mixer with the original audio. The adjustment step comprises a first section for adjusting a low frequency tone; a second section for adjusting a mid frequency tone; a third section for adjusting a high frequency tone; and mixing the audio outputs processed by the first, second and third sections to produce an output audio sound.
    • 用于增强和定制音频记录和编辑的过程和系统包括接收输入音频声音; 为输入音频声音设置预设,以创建预设的音频声音; 调整预设音频声音以创建调整好的预设音频; 在水平平面中扩展调整好的预设音频,创建预设音调调整后的扩展音频; 并输出预设的音调调整的扩展音频。 选择预设有三个选项。 这些是不同类型的音乐的十个或更多的预设; 自动预设,由播放素材的元数据类型选择; 以及涵盖所有音乐的单一通用预设。 预置包括通过以下方式对输入音频进行并行处理:作为具有动态偏移的低通滤波器的模块; 包络控制带通滤波器; 高通滤波器; 向音频添加一定量的动态合成低音; 以及将加和混音器中的四个经处理的音频信号与原始音频组合。 调整步骤包括用于调节低频音调的第一部分; 用于调节中频调频的第二部分; 用于调节高频音调的第三部分; 以及混合由第一,第二和第三部分处理的音频输出以产生输出音频声音。