JP2003224520A - Light communication channel-based voice-activated control system and method for implementing thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a voice-activated control system. <P>SOLUTION: A voice recognition program digitizes a voice command transmitted to an audio signal receiver such as a microphone and produces an address and a function corresponding to a component to which the voice command is directed. The digitized signal is converted by a signal converter to an IR signal, which is transmitted via an LCC bus to one or more devices. A device that has an appropriate address is activated to perform the function and/or provide feedback to the system. Voice-activated systems are provided which rely on such a decentralized control approach while such a third type of system uses a hybrid system that uses LCC-based and electrical-based inputs. Methods are also provided for activating and controlling one or more components of a system through a voice-activated system. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to systems and methods for activating and controlling one or more components of a system. Specifically, the present invention relates to systems and methods for using an optical communication channel to activate and control one or more components of the system.

[0002]

BACKGROUND OF THE INVENTION Electronic components are commonly mounted on the surface of conventional molded three-dimensional substrates. Currently,
Communication between components on such substrates is primarily perforated,
It is made using electrical wiring and other ordinary connectors. However, relying on conventional connection techniques adds complexity to the component assembly, inconsistency in connector reliability due to the large number of wires required, signal interference and crosstalk between adjacent wires, substrate Various defects occur, such as an increase in the weight of, and a high production cost.

[0003]

SUMMARY OF THE INVENTION The voice activated (LCC) based voice activated (hereinafter simply "voice activated") control system of the present invention can be accomplished in a variety of ways. One approach is to use a decentralized control strategy. In this approach, voice commands transmitted through an audio signal receiver such as a microphone are digitized by voice recognition software that generates addresses and functions corresponding to the voice commands. The digitized signal is converted into an IR signal by an IR transceiver or an encoder / decoder (endeck) (hereinafter referred to as a signal converter), and LC
This IR signal is transmitted over the C bus to the device coupled to the LCC bus. This will cause the device with the proper address to operate and perform its function,
And / or provide feedback to the system. Each device preferably has a signal converter. Electrical wiring can be used to connect additional microphones to the main voice software module.

The second approach uses a decentralized control strategy. In this approach, the signal from the microphone is amplified and converted to an analog IR / light signal via an LED. This signal is routed from the LCC bus to the main control unit (ie master controller). The main control unit contains voice recognition software and instructions. The main control unit then sends an IR signal to the LCC bus to activate various devices connected to the LCC bus. Multiple microphones can be added to the system simply by having them communicate with the main LCC bus using their corresponding signal (analog IR) converters.

The third approach uses a hybrid system. In this system, the main control unit is
Processes either LCC-based or electrical inputs,
It has the ability to use both conventional and LCC-based technologies.

In one aspect of the invention, a voice activation control system is provided that includes an audio signal receiver that receives an audio input. A voice recognition program is used to digitize the audio input and assign an address and function corresponding to the destination component of the audio input. The first signal converter converts the digitized audio input into an optical signal. The LCC bus then receives this optical signal and directs it to a second signal converter. The second signal converter is operably connected to the at least one device. The signal from the second signal converter activates at least one device to perform a function corresponding to the audio input. The LCC bus further comprises at least one surface signal router such as a reflective coating. The first signal converter or the second signal converter can be a transceiver or an encoder / decoder.

In another aspect, an audio signal receiver for receiving an audio input, a signal converter for converting the audio input into an optical signal, and a first LCC bus for receiving the optical signal generated by the signal converter. A voice actuated control system is provided. First LCC
The main control unit that receives the optical signal from the bus includes voice recognition software. The main control unit then sends an optical signal to the second LCC bus to activate at least one device connected to the second LCC bus. The main control unit can be used to handle either LCC based inputs or electrical inputs. The LCC bus can include at least one surface signal router, which can be a reflective coating. The signal converter can be an LED or a laser diode.

In another aspect of the invention, an audio signal receiver for receiving an audio input, a signal converter for converting the audio input into an optical signal, a digitized audio input, and an address and function corresponding to the audio input. A voice activated control system having a voice recognition unit for assigning and producing an output signal. The output signal propagates through the LCC matrix. The LCC matrix has at least one surface signal router on the LCC matrix to control the propagation direction of the output signal from the speech recognition unit. The output signal from the speech recognition unit activates at least one component incorporated in the LCC matrix.

In another aspect, an LC that propagates a signal.
A C matrix and at least one surface signal router for controlling the direction of propagation of signals in the LCC matrix;
A voice activation control system comprising an audio signal receiver for receiving an audio input. The voice recognition unit digitizes the audio input, assigns an address and a function corresponding to the audio input, and produces a first signal corresponding to the audio input. At least one signal converter converts the first signal to the second signal. At least one component incorporated in the LCC matrix is a second one corresponding to the audio input.
Is activated by the signal.

The present invention further provides various methods for controlling the components of the system. In one aspect, the steps of sending the audio input to an audio signal receiver, digitizing the audio input using speech recognition software to produce a digitized audio signal, and addressing the destination component of the audio signal. Assigning component addresses and component functions to perform. The digitized audio input is then converted to an optical signal using the first signal converter and the optical signal is directed to the LCC bus. Following this step, the optical signal is transmitted to the second signal converter via the LCC bus. The second signal converter converts the optical signal into an output signal. The output signal is directed to a device operably connected to the second signal converter.
The device operates on output signals and performs functions corresponding to audio inputs.

In another aspect, a method of controlling the components of a system includes sending an audio input to an audio signal receiver, converting the audio input to an optical signal using a first signal converter, and then LCC. Directing the optical signal through the bus to the main control unit. The main control unit contains a speech recognition program and produces an output signal. The output signal is routed from the main control unit to the second LCC bus to activate at least one device operably connected to the second LCC bus.

The method of controlling the components of the system in yet another aspect of the invention includes the steps of sending audio input to an audio signal receiver and directing the audio input to a speech recognition unit. The speech recognition unit digitizes the audio input, assigns addresses and functions corresponding to the destination component of the audio input, and produces an output signal. The output signal is guided to the first signal converter and converted into an optical signal. In this step, the optical signal is LCC
Subsequent steps include transmitting to the matrix. The LCC matrix includes surface signal routers that direct the optical signal to a second signal converter. The second signal converter converts the optical signal into an electric signal. The electrical signal is L
It is transmitted to at least one component incorporated in the CC matrix.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION The voice actuation system of the present invention can have various configurations or operations. In one aspect, voice activated systems are based on a decentralized control approach.
This configuration is shown in FIG. 1A. In this configuration, the audio signal received by microphone 100 is digitized by voice recognition software 102, which produces addresses and functions 104 corresponding to voice commands. The digitized audio signal is converted into an IR signal by a signal converter 106 (transceiver or encoder / decoder (endeck)).
Signal is converted into an optical signal. This optical signal is LC
It can be transmitted via the C bus 108 to a device 112 connected to the bus. The device 112 with the appropriate address is activated to perform the desired function and / or provide feedback to the system. Preferably, each device has a signal converter 110 operatively connected to it. An additional microphone can be connected to the main audio software module using the electrical connector. More than one device can be directly or indirectly connected to the speech recognition system. Optical signals can be transmitted directly from the LCC bus / sheet to the device, as indicated by the dashed arrows in FIG. 1A. FIG. 1B is similar to the system of FIG. 1A, but allows multiple microphones to be used to send the audio signal.

FIG. 2 illustrates another aspect of the invention based on the decentralized control approach. In this case, microphone 2
The audio signal from 00 is amplified using an amplifier 202 and converted into an IR signal using a signal converter 204 (analog IR converter). This IR signal is led to the main control unit (master controller) 206 through the first LCC bus. Main control unit 2
06 includes voice software and instructions. The main control unit 206 sends an IR signal through at least one other LCC bus to activate at least one device connected to that bus. Similar to FIG. 1B, more than one microphone can be used by simply using them with a signal converter (analog IR converter).
They can be added to the system simply by communicating with the CC bus.

FIG. 3 is a detailed diagram of a voice activation control system based on the decentralized control approach. In this configuration, microphone 300 receives the voice command and digitizes it with voice recognition software 302. The voice recognition software 302 generates addresses and functions corresponding to voice commands for a given digital output signal.
The output signal generated by the speech recognition software 302 is converted to an IR or optical signal by a signal converter 304 (IR transceiver / endeck) and the LCC
It is transmitted via the bus 306 to the devices 310, 312, 314 connected to the bus. Devices with matching addresses are activated to perform a function and / or provide feedback to the system. Each device typically has a corresponding signal converter. An additional microphone can be connected to the main audio software module using a connector such as electrical wiring.

The address and function assigned digital signal is applied from the speech recognition software 302 to a signal converter 304 (in this case an electro-optical converter or photoemitter), which signal converter 304 applies this signal to the LCC. Transmit to bus 306. In one aspect, the signal converter 304 is a visible light generating device such as a light emitting diode (LED) or a laser diode. If desired, more than one signal converter or more than one type of signal converter can be used.

The signal from the signal converter 304 is an LCC.
It propagates to the bus 306 and is received by the receiver 308. The receiver 308 is preferably an electromagnetic radiation receiving or collecting device such as a photodiode. The receiver 308 is a signal spreading substrate or LCC bus 306-1.
Receive or collect one or more signals. The receiver 308 outputs the output signal to the devices 310, 312, 31.
Supply to 4. This output signal has the address and function assigned to it in response to a voice command input to microphone 300. The receiver 308 can have certain frequency-specific filters to reduce or eliminate interference from signals having different frequencies. Devices 310, 312, 314 may be any device, such as, for example, a clock that can be used in a vehicle, an interior or exterior light, an audio system, a mirror, a seat and window control, or any other device. Can also be In a typical configuration, the number of receivers used will match the number of devices in the system.

FIG. 4 is a schematic diagram of a voice activation control system based on the decentralized control approach. In this regard, microphone 400 receives voice commands. This command is amplified by amplifier 402 and converted to an analog IR signal by signal converter 404 (which can be an LED). This IR signal is the LCC bus 40
6 to the main control unit (ie, master controller) 408. The main control unit 408 also includes voice software and instructions. Main control unit 4
08 sends an IR signal to the LCC bus 410, and the LCC
Activate the devices connected to the bus 410. Additional microphones can be added to the system by simply using one or more signal converters and having them communicate with the main LCC.

In another aspect of the invention, a hybrid system incorporating both an LCC and a conventional connector is used. In this system, the main control unit is used to handle either LCC-based inputs or electrical inputs. This allows the use of both conventional as well as LCC based technologies. LCC-based technology allows the LCC components to be directly connected onto the LCC bus or sheet as needed, without the need for special connectors.

FIG. 5 is a side sectional view of a portion of the voice actuation / control system. In this plane, a signal conducting medium such as a flat wire is placed on top of the LCC substrate. One or more electron, light, or photoelectron (photoelectronic) components are assembled on the flat wire surface. FIG. 5 shows an IR transceiver inserted between two LCC base channels, which can have a rectangular, square, or other shape. The IR signal propagating towards the IR transceiver is
An IR transceiver converts the electrical signal into an electrical signal that can be transmitted to at least one component on the surface of the signal conducting channel (shown as a flat wire in the figure). Conversely, an electrical signal from any one component on the surface of the signal conducting channel can be converted by the IR transceiver into an optical signal, which electrical signal is transmitted through the LCC channel to at least one target signal receiver, or It can be propagated to signal routers in different parts of the same or different systems or components.

FIG. 6 shows a configuration similar to that shown in FIG. In this configuration, the IR transceiver is connected to the trace or signal conducting channel (which may be a flat wire) via a conductive joint.

FIG. 7 shows an LCC matrix configured for use in an IR based communication system. In this regard, various components such as onboard radios, televisions or video systems, trunk clasps, and interior lights are incorporated into the LCC matrix. For example, components such as radio volume control, interior lights, and trunk clasps can be connected to the distributed voice recognition system via the LCC. In this configuration, at least three microphones (eg, driver seat,
The passenger and rear seat microphones) are used to receive voice commands to activate various functions of the components such as volume or temperature regulation. The LCC material is preferably coated with a reflective material to allow the signal to be transmitted from the signal source to the targeted signal receiver. A signal may undergo multiple internal reflections as it propagates from a signal source to a target signal receiver. A substantial portion of the LCC, except on the surface where the electrical, light, or optoelectronic components are located, can be coated with a reflective material. In another aspect,
Depending on the number and type of components assembled on the LCC surface, at least one type of reflective material coats only some areas of the LCC surface.

The LCC can also be formed such that a signal, such as an IR signal, can be directed from the signal source to one or more signal receivers. For example, recesses, pressure-fitting structures, or sloping, beveled, or wedge-shaped surface cuts may be formed on the LCC to assist in transmitting the signal from the signal source to one or more target signal receivers or Can be promoted. These surface cuts can take a variety of shapes, including wavy, curved, zigzag, and various irregular shapes.

In one aspect of the invention, the control and actuation system includes a speech processor, which can be any microprocessor, a memory, which can be any suitable electronic storage device. Preferably, the speech processor comprises a microcomputer having a main processor, an audio processor, multiple interfaces, operating system software and application software. Audio processors are typically used to digitize the spoken sound from a microphone, while voice application software analyzes digitized speech to determine the presence or absence of matching voice commands. used.

Preferably, the memory stores software programming which constitutes a plurality of separate speech engines suitable for carrying out the method of the invention. The voice command can include keywords that identify adjusted parameters such as airflow, temperature, speed, window and seat position, and radio and / or video volume. Voice commands can also be selected from a preset command menu. Typically, the speech processor can analyze the digitized speech signal using speech recognition algorithms to identify the instructions contained within the grammar set. A microphone and a push button can be provided, for example, at a convenient location in the interior of the vehicle to allow the system to detect the source of voice commands. For example, push buttons can be attached to armrests, handles, or instrument display panels. L
A user interface, such as a CD display unit, that provides either audio or visual output, or both, can be connected to the microphone through the microphone interface. An input / output module that allows data to be transmitted to an accessory or component of a vehicle, and thus can control various functional parameters associated with each accessory or component, is connected to the component or accessory of the vehicle through a network bus. It is preferable.

In the various aspects of the present invention, any number of microphones may be used. The voice commands received by the microphone are converted into an analog signal, typically in the form of a current, using means known in the art. This analog signal is applied to voice recognition software operatively connected to the microphone. In an embodiment of the invention, at least one voice recognition software is used for the one or more microphones used. Speech recognition software typically includes a speech processor and memory that recognizes and processes speech commands to form a plurality of unique speech engines suitable for activating various accessories or components, such as in an automobile. The analog signal is digitally sampled to allow the speech recognition software to assign the corresponding address and function to the component to be actuated in accordance with the instructions received by the microphone.

Some automotive components or accessories that can be controlled or actuated include watches, door locks,
Seat and window control, navigation system, air conditioning control,
Interior or exterior lights, and audio systems.

A signal conducting matrix, or LCC, also known as an optical communication channel, provides a signal in the form of light.
A structure made of at least one type of photoconductive material formed into some shape that allows transmission from one point to another. One of the characteristics of the LCC, which will be described later in detail, is as a substrate such as a rectangular slab or an optical substrate that can be formed into various shapes, such as the shape of some or all of the main frame of an instrument panel display. It can be used. Therefore, it is also possible to use the LCC as a primary or secondary transmission means for signals such as optical signals propagating from at least one signal source to at least one signal receiver, or like a beam splitter or focusing lens. It may also include various electronic and / or optical components that allow signals, such as optical signals, to be directed to various electronic and / or optical components within the substrate without resorting to the use of conventional focusing means. The LCC can also take other shapes such as rings, strands, sheets or ribbons.

Structures with LCCs include LCCs in the form of strands or other structural shapes. A structure with an LCC also includes an LC connected to one or more components such as a detector, a light source, or an electronic system.
C, or LCC manufactured using these components
Also includes.

Preferably, the LCC comprises a polymeric material. The materials constituting the LCC are polybutylene terephthalate, polyethylene terephthalate, polypropylene,
It can be polyethylene, polyisobutylene, polyacrylonitrile, polyvinyl chloride, polymethylmethacrylate, silica, or polycarbonate. Preferably the polymeric material is a photorefractive polymer.

The polymeric material forming the LCC can be connected to, or manufactured as part of, an engine structure, such as an automobile intake manifold. Information about the monitored parameter obtained from the signal receiver can be conducted through the LCC to at least one electronic system, such as a process control system.

Preferably, the LCC material is made of at least one material capable of transmitting light of various frequencies. For example, the LCC is transparent to the first frequency of the signal,
Or it can consist of a first material that is translucent and a second material that is transparent or semi-transparent to the second frequency of the signal.

The LCC can have various forms. For example, the LCC can be flat, curvilinear, wavy, or asymmetric. LCCs can also have a variety of dimensions including non-uniform thickness, diameter, width, and length. The LCC can be manufactured using a moldable material so that the LCC can be cast and cured into the desired shape. LCC
Can have sections or regions that are connected, molded, or pressed on the surface of the circuit board. In one aspect, LCCs are integrated into structures such as printed circuit boards, flexible substrates, flat wires, and MID circuits.

The LCC preferably has a reflective coating on at least one of its surfaces. In one aspect of the invention, the reflective coating comprises an LC source and a signal receiver.
Except for the portion of the surface operably connected to C, it covers all or substantially all surfaces. The reflective coating can be used, for example, to cover only the surface of the LCC that substantially surrounds the volume of the LCC through which the signal passes from the signal source to the signal receiver. L
The entire CC can be coated with a reflective material.

The reflective coating can be made of any material that reflects the signal transmitted through the LCC.
The reflective coating can also be made of at least one metal, including metal such as aluminum, copper, silver, or gold, or metal alloy.

The surface signal router can be a reflective coating on the surface of the LCC. Surface signal routers direct signals from a signal source to one or more targeted signal receivers such as photodetectors or IR analyzers located at various points on the surface of the LCC. Surface signal routers in the form of reflective coatings strategically cover different regions or sections of the surface of the LCC depending on factors such as the number and type of components forming part of the signal conducting network. Can be distributed. Surface signal routers can also take the form of slanted, beveled or wedge-shaped cuts on the surface of a three-dimensional LCC. As used herein, the term "tilted" includes cuts having an angular shape with respect to the surface of the LCC, which includes beveled and wedge shaped cuts. Routers in the form of surface cuts having zigzags, corrugations, or other shapes such as a combination of various shapes are coated with at least one reflective material such as a metal or metal alloy.
In one aspect, the combination of the reflective coating and the surface cut with the reflective coating is used to enable the signal to propagate through the LCC, eg, via multiple internal reflectors.

In order to power different signal receivers with receivers sensitive to some wavelengths, it is possible to use power supplies which generate energy corresponding to different wavelengths. At least one optical element, such as a bandpass filter, can be used to further narrow the wavelength range.

The data obtained from the signal receiver can be transmitted over a main communication bus to an electronic system such as an electronic controller for further data processing. Data can be transmitted using optical signals such as IR signals. A power distribution system may also be included in the instrument panel, on-engine system, or other device that requires power distribution to the signal receiver.

The signal can be directed in any direction within the LCC, or in various directions, as long as, for example, the signal source or another component does not block the signal. The signals can propagate in the same or opposite directions, either sequentially or simultaneously. The signal receiver has at least one signal receiver.
It can be positioned at any suitable location on the surface of the LCC so that it can receive signals from two sources.
Multiple signal receivers can receive signals from a single signal source.

Signals, such as optical signals from optoelectronic transmitters, can be channeled or transmitted through air if there are no obstructions in their path.
The transmitter preferably produces an optical signal having a unique wavelength. In one aspect of the invention, the wavelength selective filter is placed in front of the signal receiver and there is little or no interference between different transmitters and signal receivers.

The signal source can be a light source. An example of a preferred light source is an infrared light source. However, the signal can have any electromagnetic frequency that can be transmitted through the LCC to communicate between the signal source and the signal receiver. The transmitted signal can be a combination of electromagnetic frequencies. Signal sources include, but are not limited to, LEDs, lasers, or RF sources. Lasers can emit IR, visible, or ultraviolet light.

The signal source is preferably an electromagnetic radiation producing device. Preferably, each signal source is a light generating device such as a laser or a light emitting diode (LED).
Alternatively, each signal source is a radio frequency (RF) generating device, such as an RF transmitter. For example, the first signal source can be an electromagnetic radiation generating device such as an LED or a laser, and the second signal source can be an RF transmitter.

The signal source and at least one receiver are preferably integrated with a component such as an IR or RF transmitter to transmit a first signal at a given time and a second signal at another time. Can be received. The first and second signals can have the same or different frequencies. The signal receiver can include both a detector and another component such as a capacitor that can store the collected energy.

The term "signal receiver" as used herein refers to a device that receives a signal from a given source. The signal received by the signal receiver is
It is typically an optical signal. Thus, the signal receiver can include at least one component, such as a photodetector, or both a photodetector and a capacitor. In detail,
At least one of the signal receivers may include an electromagnetic radiation receiving or collecting device such as a photodiode or RF sensor. Signal receivers include, but are not limited to, photodiodes, microchannel plates, photomultiplier tubes, or combinations of these signal receivers. The signal receiver receives or collects at least one signal through the LCC. In one aspect of the invention,
The signal receiver provides an output signal to the electronic system in response to the signal propagating through the LCC. The signal receiver preferably has at least one frequency specific filter to reduce or eliminate interference from signals having some frequencies or frequency ranges. In one aspect, the signal receiver is incorporated into or attached to the LCC. In one aspect of the invention, the signal or energy emitted from a signal source can be directed to the signal receiver through the LCC using routing means such as prisms, lenses, or mirrors.

The various embodiments of the present invention have been described above. However, the above description and the accompanying drawings are merely examples. Other embodiments and implementations are possible within the scope of the invention and will be apparent to those skilled in the art. Therefore, the present invention is not limited to the details, representative embodiments, and illustrated examples described in the above description. It is to be understood that the invention is limited only by the claims that follow.

[Brief description of drawings]

FIG. 1A is a schematic diagram of a voice actuation system based on a decentralized control approach.

FIG. 1B is a schematic diagram of a system similar to the system shown in FIG. 1A, but with multiple microphones enabled to send audio signals.

FIG. 2 illustrates another aspect of the invention based on a decentralized control approach.

FIG. 3 is a detailed version of FIG. 1A showing a voice activated control system based on a decentralized control approach.

FIG. 4 is a detailed version of FIG. 2 showing a voice activated control system based on a decentralized control approach.

FIG. 5 is a side sectional view of a portion of a voice activated control system.

6 is a side sectional view similar to the configuration shown in FIG. 5, except that the IR transceiver is connected to traces or signal conducting channels (which may be flat wires) using conductive joints. Is.

FIG. 7 shows an LCC matrix configured for use in an IR based communication system.

[Explanation of symbols]

100 Microphone 102 Speech Recognition Software 104 Address and Function 106 Signal Converter (Endeck, IR Transceiver) 108 LCC Bus 110 Signal Converter (Endeck, IR Transceiver) 112 Device 200 Microphone 202 Amplifier 204 Signal Converter (Analog IR Converter) 206 Main Control Unit ( Master controller) 300 Microphone 302 Speech recognition software 304 Signal converter (endeck, light emitter) 306 LCC bus 308 Receiver (photodiode) 310, 312, 314 Device 400 Microphone 402 Amplifier 404 Signal converter (analog IR converter) 406 LCC bus 408 Main control unit 410 LCC bus

Front Page Continuation (51) Int.Cl. ⁷ Identification Code FI Theme Coat (Reference) H04B 10/22 H04Q 9/00 311 (72) Inventor Sea Allen Marlow Michigan, USA 48176-1310 Salin Woodingham Court 182 (72) ) Inventor Bernard Amayer, Michigan, USA 48180 Tyler Pamela, 25000 (72) Inventor, Rakinan Doral Genka, Michigan, USA 48103 Ann Arbor, Second Street, 621 (72) Inventor, Harvinder Singh, USA, Michigan, 48315 Shebby Township, Patterson Dora Eve 14289 F term (reference) 5K048 AA04 DA02 DB02 FC01 5K102 AA15 AB05 AB15 AL08 MA01 MH14 PH00

Claims (3)

[Claims] 1. A voice activation control system, comprising: an audio signal receiver for receiving an audio input; and digitizing the audio input to generate a digitized audio input, the audio input receiver corresponding to a destination component of the audio input. Speech recognition software for assigning addresses and functions, a first signal converter for converting the digitized audio input to an optical signal, an LCC bus for receiving the optical signal and directing the optical signal to a second signal converter. And at least one device connected to the second signal converter, the signal from the second signal converter actuating the at least one device and the function required by the audio input. A voice actuation control system characterized by: 2. The LCC bath comprises a material selected from the group consisting of polybutylene terephthalate, polyethylene terephthalate, polypropylene, polyethylene, polyisobutylene, polyacrylonitrile, polyvinyl chloride, polymethylmethacrylate, silica, and polycarbonate. The voice actuation control system according to claim 1, wherein: 3. The LCC bus comprises at least one surface signal router.
The voice actuation control system according to.