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公开(公告)号：US5524060A
公开(公告)日：1996-06-04
申请号：US195982
申请日：1994-02-14
摘要： A digital audio gain control system has an operator interface with a CPU, RAM storage, and input devices for a user to store transfer characteristics relating gain to be applied to an incoming audio signal to the signal strength of that incoming signal. A communication link allows the transfer characteristic function to be sent to a RAM in a separate patchable amplifier unit having a DSP and RAM, and level detection circuitry for monitoring the signal strength of an incoming audio signal and applying gain according to the transfer characteristic communicated to the on-board RAM. The amplifier unit also sends operating information back to the operator interface, where operation may be displayed to aid an operator in adjusting the function.
摘要翻译： 数字音频增益控制系统具有与CPU，RAM存储器和输入设备的操作者接口，用于用户存储将要应用于输入音频信号的增益与传入信号的信号强度相关联的传输特性。 通信链路允许将传输特性功能发送到具有DSP和RAM的单独的可拼接放大器单元中的RAM，以及用于监视输入音频信号的信号强度的电平检测电路，并根据所传送的传送特性应用增益 板载RAM。 放大器单元还将操作信息发送回操作者界面，其中可以显示操作以帮助操作者调整功能。
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2.发明授权Communication protocol between a host computer and a control surface in an audio editing/mixing system 有权主机与音频编辑/混合系统中的控制面之间的通信协议公开(公告)号：US07733858B1
公开(公告)日：2010-06-08
申请号：US11104081
申请日：2005-04-12
申请人： Edward G. Fay
发明人： Edward G. Fay
CPC分类号： H04L1/1685 , H04H60/04 , H04L47/2466
摘要： A control surface has a network connection for connecting to a host computer and has an address and an input for communicating data with the host computer. The network interface processes packets received from the host computer. Packets received include a first type and a second type, and the type is indicated by data in the packet. Upon receipt of a packet of the first type an acknowledgment packet is sent. Upon receipt of a packet of the second type, an acknowledgment packet is not sent. The packets of the second type include at least status information for a plurality of meters in the audio control surface. The status of the meters on the audio control surface is overwritten with the status information provided in any packets of the second type.
摘要翻译： 控制面具有用于连接到主计算机的网络连接，并具有用于与主机通信数据的地址和输入。 网络接口处理从主机接收的数据包。 收到的数据包包括第一类型和第二类型，类型由数据包中的数据指示。 在接收到第一类型的分组时，发送确认分组。 在接收到第二类型的分组时，不发送确认分组。 第二类型的包至少包括用于音频控制表面中的多个米的状态信息。 音频控制表面上的仪表的状态将被覆盖在第二种类型的任何数据包中提供的状态信息。
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