公开(公告)号：WO2006034142A3

公开(公告)日：2006-03-30

申请号：PCT/US2005/033391

申请日：2005-09-16

Applicant: THAT CORPORATION ,  EASLEY, Matthew ,  BARNHILL, Matthew ,  KAY, W., Kevin

Inventor： EASLEY, Matthew ,  BARNHILL, Matthew ,  KAY, W., Kevin

IPC: H04N7/08

Abstract: A digital audio encoder (24), digital video conditioner (60), and a digital modulator (26) are described for producing a television broadcast signal at a desired channel frequency range. Left and right audio channel signals are digitized and encoded according to a stereo standard and then combined to form a stereo audio signal. A second audio programming channel signal may be included. A video input can be digitized and conditioned to form a digital video channel. The stereo audio signal can be placed directly at a desired channel frequency by frequency modulation without the need for using an intermediate frequency. The digital video channel can be placed at a desired frequency by amplitude modulation. The digital and audio channels can be digitally combined to create a television transmission signal at a desired frequency and according to a desired standard.

公开(公告)号：WO2006107852A2

公开(公告)日：2006-10-12

申请号：PCT/US2006/012264

申请日：2006-03-31

Applicant: THAT CORPORATION ,  BARNHILL, Matthew

Inventor： BARNHILL, Matthew

IPC: G06F17/00

CPC classification number: H04N17/00 ,  H04N5/607 ,  H04N21/44209 ,  H04N21/8106

Abstract: A signal quality estimation and control system for controlling a signal having noise. The system may include a signal strength determination system having an input configured to receive the signal and an output configured to output information indicative of the strength of the signal, a noise strength determination system having an input configured to receive the signal and an output configured to output information indicative of the strength of the noise in the signal, and a signal quality evaluation system. The signal quality evaluation system may have an input configured to receive the output of the signal strength determination system, an input configured to receive the output from the noise strength determination system, and an output configured to output information indicative of the quality of the signal based on the output from the signal strength determination system and the output from the noise strength determination system. A signal control system may be include that has an input configured to receive the output from the signal quality evaluation system and to control a switching function relating to the signal based on the output from the signal quality evaluation system.

Abstract translation: 一种用于控制具有噪声的信号的信号质量估计和控制系统。 该系统可以包括信号强度确定系统，其具有被配置为接收信号的输入和被配置为输出指示信号强度的信息的输出，具有被配置为接收信号的输入的噪声强度确定系统和被配置为 指示信号中噪声强度的输出信息，以及信号质量评估系统。 信号质量评估系统可以具有被配置为接收信号强度确定系统的输出的输入，被配置为接收来自噪声强度确定系统的输出的输入以及被配置为输出指示基于信号质量的信息的输出 来自信号强度确定系统的输出和来自噪声强度确定系统的输出。 信号控制系统可以包括具有被配置为从信号质量评估系统接收输出并且基于来自信号质量评估系统的输出来控制与该信号有关的切换功能的输入。

公开(公告)号：WO2006017509A3

公开(公告)日：2006-02-16

申请号：PCT/US2005/027434

申请日：2005-08-03

Applicant: THAT CORPORATION ,  BARNHILL, Matthew ,  EASLEY, Matthew, F.

Inventor： BARNHILL, Matthew ,  EASLEY, Matthew, F.

IPC: H04N7/08 ,  H04N7/084 ,  H04N7/087

Abstract: A television audio signal encoder (58) includes an up-sampler (70, 72, 74) that inserts additional samples into a sum signal, a difference signal, and/or a secondary audio program signal to increase the sample rate of the corresponding signal or signals. The sum signal represents the sum of a left channel digital audio signal and a right channel digital audio signal and the difference signal represents the difference between the left and right audio signals.

公开(公告)号：WO2005094529A2

公开(公告)日：2005-10-13

申请号：PCT/US2005/009867

申请日：2005-03-24

Applicant: THAT CORPORATION ,  BARNHILL, Matthew ,  DARR, Roger

Inventor： BARNHILL, Matthew ,  DARR, Roger

IPC: H04R5/00 ,  H04S3/02

CPC classification number: H04S3/02

Abstract: A television audio signal encoder includes a matrix that sums a left channel audio signal and a right channel audio signal to produce a sum signal. The matrix also subtracts one of the left and right audio signals from the other to produce a difference signal. The encoder also includes a configurable infinite impulse response digital filter that selectively uses one or more sets of filter coefficients to filter the difference signal. Each selectable set of filter coefficients is associated with a unique filtering application to prepare the difference signal for transmission.

Abstract translation: 电视音频信号编码器包括将左声道音频信号和右声道音频信号相加以产生和信号的矩阵。 矩阵还从另一个中减去左右音频信号中的一个以产生差分信号。 编码器还包括可配置的无限脉冲响应数字滤波器，其选择性地使用一组或多组滤波器系数来滤波差分信号。 每个可选择的滤波器系数集合与唯一的滤波应用相关联，以准备用于传输的差分信号。

公开(公告)号：WO2006023490A2

公开(公告)日：2006-03-02

申请号：PCT/US2005/029108

申请日：2005-08-16

Applicant: THAT CORPORATION ,  BARNHILL, Matthew

Inventor： BARNHILL, Matthew

IPC: H04R5/00

CPC classification number: H04R5/04 ,  H04S1/007

Abstract: A television audio signal encoder includes a device that sums a left channel audio signal and a right channel audio signal to produce a sum signal. The device also subtracts one of the left and right audio signals from the other to produce a difference signal. The encoder also includes a configurable infinite impulse response digital filter that selectively uses one or more sets of filter coefficients to filter the difference signal The set of filter coefficients is applied to the difference signal by a single multiplier in a recursive manner to prepare the difference signal for transmission

Abstract translation: 电视音频信号编码器包括一个将左声道音频