JP2009027626A - Microphone device, video capturing device, and remote video capturing system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a microphone device enabling a video capturing device to do various actions such as panning and tilting while inputting voice via the microphone device at a position apart from the video capturing device. <P>SOLUTION: The microphone device 1 includes a remote operation button section 4 for allowing the video capturing device 23 to do various actions including panning or tilting rotation, start or end of video capturing, and start or end of recording. The microphone device 1 converts an operation input from the remote operation button section 4 into a remote operation information signal and transmits it to the video capturing device 23. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a microphone device, a photographing device, and a remote photographing system that enable remote operation of a photographing device installed at a remote place and confirmation of video and audio.

  In recent years, with the diversification of broadcasting stations, the increase in small-scale regional broadcasting stations and local stations, or the cost reduction of these broadcasting stations, the number of interview forms that handle video cameramen and reporters alone is increasing. This is called a video journalist, who shoots a scene such as an incident or accident with a video camera, shoots the video camera toward himself and reports or interviews the scene with a microphone. At this time, in order to confirm how his / her appearance is captured by the video camera, the video journalist assumes an approximate own position on the monitor (or finder) of the video camera or monitors the video camera. The method of connecting and checking is taken.

In addition, a style has been proposed in which a cameraman wears a head mounter with a scouter or microphone attached, hangs the camera on his shoulder, and carries a remote control in his hand (see, for example, Patent Document 1).
Japanese Patent Application Laid-Open No. 11-88736

  However, if you take a picture with the viewfinder of the video camera assuming your own position, you will not be able to confirm the actual image of yourself, so you will not be able to set your position and size appropriately for the image screen. is there. Further, in the method of checking by connecting a monitor to a video camera (photographing apparatus), there is a problem that the apparatus becomes large and the mobility of the coverage is impaired.

  In addition, in order to shoot the scene etc. after taking a picture of myself as a video journalist, it is necessary to switch the camera angle, orientation, zoom, etc., and to check the angle of view and shooting state again. Is a cumbersome task. In the invention described in Patent Document 1, it is impossible to photograph yourself as a video journalist.

  In view of the above problems, the present invention provides a microphone device, a photographing device, and a remote device capable of causing the photographing device to perform various operations such as panning and tilting while reporting to the microphone device at a location away from the photographing device. An object is to provide a photographing system.

  In order to achieve the above object, a microphone device according to claim 1 is a voice input means for inputting voice, and the voice input from the voice input means is transmitted to an external device as a voice information signal. A microphone device comprising: transmission means for receiving a photographed video as an image information signal; and video display means for displaying a video based on the received image information signal. An operation unit for performing various operations including start or end, recording start or end, and a transmission unit that converts an operation input from the operation unit into a remote operation information signal and transmits the information to the photographing apparatus. Features.

  In order to achieve the above object, a microphone device according to a second aspect of the present invention includes a voice input unit for inputting voice, and voice input from the voice input unit as an audio information signal to an external device. A microphone device comprising: transmission means for receiving a photographed video as an image information signal; and video display means for displaying a video based on the received image information signal. Operation means for performing various operations including start or end, recording start or end, transmission means for converting an operation input from the operation means into a remote operation information signal and transmitting it to the photographing apparatus, and the audio input Voice recognition means for recognizing voice input from the means, and a voice recognition means for converting voice information recognized by the voice recognition means into a remote operation information signal. Switching means for switching between manual operation by the operation means and voice operation by the voice recognition means, and when the transmission means is switched to voice operation by the voice recognition means, the conversion means The remote operation information signal converted by the above is transmitted.

  In order to achieve the above object, a photographing apparatus according to claim 5 includes photographing means capable of photographing and recording still images and moving images, driving means for driving the photographing means to pan or tilt, and the photographing means. A transmission means for transmitting a photographed video as an image information signal; and a reception means for receiving an audio information signal from an external microphone device and receiving a remote operation information signal transmitted from the microphone device. The means and the driving means perform various operations including panning or tilting rotation, photographing start or end, and recording start or end based on the received remote operation information signal.

  In order to achieve the above object, a remote imaging system according to claim 7 is the remote imaging system including the microphone device according to claims 1 to 4 and the imaging device according to claim 5 or 6. The apparatus receives an automatic tracking signal transmitted from the microphone, and performs automatic tracking by panning or tilting driving of an imaging unit of the imaging apparatus based on the automatic tracking signal.

  According to the present invention, it is possible to freely control pan, tilt, zoom, focus, exposure, and the like of the video camera while reporting to the microphone at a location away from the photographing apparatus.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a perspective view of a microphone device according to an embodiment of the present invention as viewed obliquely from above and obliquely, and FIG. 2 is a perspective view of the microphone device as viewed from obliquely forward and above.

  Reference numeral 1 denotes a microphone device according to an embodiment of the present invention. Reference numeral 2 denotes a reporter / video cameraman (hereinafter referred to as a “video journalist”) that uses the microphone device 1 and an audio input unit that acquires surrounding audio. Reference numeral 3 denotes a video display unit composed of a small color LCD (Liquid Crystal Display) or the like. Reference numeral 4 denotes a remote operation button unit for remotely operating a photographing apparatus installed at a location distant from the microphone device 1. The remote operation button unit 4 includes four arrow keys and a □ key arranged between the arrow keys. Details of the remote operation button unit 4 will be described later.

  Reference numerals 5, 6, and 7 denote various function buttons. Reference numeral 5 denotes an automatic tracking function button. When the automatic tracking function button 5 is pressed, the automatic tracking function is turned on, and the photographing apparatus is driven and controlled so as to automatically track the microphone device 1 of the video journalist. Reference numeral 6 denotes an operation menu function button. When the operation menu function button 6 is pressed, an operation menu screen is displayed on the video display unit 3. Reference numeral 7 denotes a voice recognition mode function button. When the voice recognition mode function button 7 is pressed, the mode is switched to the voice recognition mode, and instead of the manual operation by the remote operation button unit 4, the photographing apparatus can be operated by voice.

  Reference numeral 8 denotes a cord-shaped wireless antenna. Reference numeral 9 denotes a grip portion for the video journalist to hold the microphone device 1 by hand. A power source (battery or the like), a control circuit, a memory, etc. (not shown) are arranged inside the grip portion 9.

  In FIG. 2, 10 is a video signal receiving unit, 11 is an automatic tracking signal transmitting unit, and 12 is a remote control signal transmitting unit. Through these, the microphone device 1 is configured to be able to communicate with an imaging device described later. Reference numeral 13 denotes a headphone terminal to which a monitor headphone or an earphone can be connected.

  FIG. 3 is a perspective view of the photographing apparatus according to the embodiment of the present invention as viewed obliquely from the upper front.

  Reference numeral 23 denotes a photographing device (external device) according to an embodiment of the present invention. The imaging device 23 can capture still images and moving images, and can record these still images and moving images. Reference numeral 14 denotes a camera head (photographing means) capable of photographing and recording still images and moving images. The camera head 14 is capable of panning and tilting rotation, panning around the a axis, and tilting around the b axis. Reference numeral 14 b denotes a lens unit built in the camera head 14.

  Reference numerals 15 and 16 denote support portions that support the camera head 14 from the left-right direction. The support portions 15 and 16 incorporate a tilt driving motor and its control circuit. Reference numeral 18 denotes an LED (Light Emitting Diode) for operation display.

  Reference numeral 17 denotes a main body of the photographing apparatus 23. The main body 17 incorporates a main control circuit, a recording device (or recording medium) for recording a captured still image or moving image, a pan driving motor, its control circuit, various sensors, and the like. In addition, in the main body unit 17, voice input units 24 and 25 for inputting surrounding sounds are arranged as in the microphone device 1 of FIG. 1. With these two audio input units 24 and 25, it is possible to input the sound around the photographing apparatus in a wide range so that a stereoscopic effect can be obtained.

  19 is a remote control signal receiver, 20 is an audio signal receiver, and 21 is a video signal transmitter. Through these, the photographing device 23 is configured to be able to communicate with the microphone device 1. Reference numeral 22 denotes a bottom plate, on which rubber feet (not shown), tripod attachment screw portions (not shown), and the like are arranged. Although not shown, an operation unit described later is disposed on the back surface of the main body unit 17.

  Note that the photographing apparatus 23 is not limited to the illustrated form as long as panning and tilting are possible. Although only the main body is shown in FIG. 3, it is fixed to a tripod (not shown) or the like via a tripod mounting screw portion of the bottom plate 22 during coverage.

  Next, the circuit configuration of the microphone device 1 of FIG. 1 will be described with reference to FIG.

  FIG. 4 is a block diagram showing a circuit configuration of the microphone device 1 of FIG.

  In FIG. 4, the voice input unit 2 converts a voice inputted from the outside into a voice signal and outputs the voice signal to the voice circuit 31. The audio circuit 31 is controlled by the controller 32, amplifies the audio signal from the audio circuit 31, performs A / D conversion, and outputs it to the transmission circuit 34 or the audio recognition circuit 42 via the SW 33. At this time, the volume of the audio signal is appropriately adjusted by the controller 32.

  The controller 32 is a microcomputer incorporating a CPU, ROM, RAM, an I / O interface, and the like, and controls the entire microphone device based on a program or the like incorporated in the ROM.

  SW33 corresponds to the voice recognition mode function button 7 of FIG. Normally, the SW 33 is at a position c in the figure, and an audio signal is output from the audio circuit 31 to the transmission circuit 34. The audio signal is converted into a radio wave signal by the transmission circuit 34 and transmitted as an audio information signal from the audio signal transmission unit 35 (transmission means) via the cord-shaped wireless antenna 8. The radio wave transmitted from the audio signal transmission unit 35 is, for example, an infrared wave based on IrDA (Infrared Data Association), which is a short-range wireless communication standard, or a radio wave based on Bluetooth (registered trademark), but is not limited thereto.

  On the other hand, when the voice recognition mode function button 7 is pressed, the SW 33 is switched from c to d in the figure. A voice signal is output from the voice circuit 31 to the voice recognition circuit 42. The voice signal is voice-recognized by the voice recognition circuit 42, and the voice information that has been voice-recognized is converted into a control command by the controller 32. The signal converted into the control command is output to the remote control command transmission circuit 43, and is converted into an infrared signal by the remote control command transmission circuit 43. The infrared signal is transmitted to the outside as a remote control signal (remote operation information signal) from the light emitting element 44 which is the remote control signal transmission unit 12. When the voice recognition mode function button 7 is pressed, only voice as remote operation information is accepted, and normal voice input is cut and is not transmitted.

  The operation unit 36 (operation means) includes a remote operation button unit 4 and function buttons 5, 6, and 7. When the video journalist performs these button operations, the photographing device 23 can be operated remotely. The operation information input by the operation unit 36 is output to the controller 32 and converted into a control command. The signal converted into the control command is output to the remote control command transmission circuit 43, and is converted into an infrared signal by the remote control command transmission circuit 43. The infrared signal is transmitted as a remote control signal (remote operation information signal) from the light emitting element 44 which is the remote control signal transmission unit 12. Further, since the operation information is output to the display circuit 39 via the controller 32 and displayed on the video display unit 3, the video journalist can confirm the operation command.

  As described above, the video journalist remotely operates the photographing device 23 by voice input from the voice input unit 2 or operation input from the operation unit 36, that is, panning or tilting rotation to the photographing device 23, shooting start or end, recording start or Various operations such as termination can be performed.

  The light receiving element 37 (transmission means) which is the video signal receiving unit 10 receives the infrared signal (image information signal) transmitted from the photographing device 23, converts it into an electrical signal, and outputs it to the receiving circuit 38. The receiving circuit 38 decodes (or detects, etc.) the received signal and separates it into a video signal, an audio signal, and a control signal. Then, the video signal is output to the display circuit 39 and displayed as a video on the video display unit 3. On the other hand, the audio signal separated by the receiving circuit 38 is D / A converted and output to the headphone terminal 13. Further, the control signal separated by the receiving circuit 38 is output to the controller 32. The video journalist can view the video imaged by the imaging device 23 installed at a remote location on the video display unit 3 of the microphone device 1.

  The Internet communication unit 45 (network connection means) includes a LAN terminal (not shown) and a wireless LAN circuit. The microphone device 1 is connected to a wired or wireless LAN via the Internet communication unit 45 and can send and receive e-mails and data. For example, when an e-mail is received, the e-mail is output to the display circuit 39 via the mail transmitting / receiving unit 46, and the mail content can be displayed as text data or image data on the video display unit 3. In addition, the microphone device 1 includes a web browser or the like, and can be connected to the Internet via the internet communication unit 45 to display the website on the video display unit 3.

  The mail transmission / reception unit 46 stores the received e-mail and data in the memory 47 (storage means) or deletes the data stored in the memory 47 under the control of the controller 32. The memory 47 is a built-in and fixed storage device, but is not limited thereto, and may be a removable storage medium. If it is removable, data can be moved by removal. In addition, each component mentioned above drives the battery incorporated in the grip part 9 as a power supply.

  In the present embodiment, the configuration in which the transmission circuit 34 and the remote control command transmission circuit 43 are separated has been described. However, the present invention is not limited to this, and the transmission circuit 34 and the remote control command transmission circuit 43 can have the same configuration by appropriately selecting a transmission method of a signal transmitted to the outside.

  Next, the circuit configuration of the photographing apparatus 23 in FIG. 3 will be described with reference to FIG.

  FIG. 5 is a block diagram showing a circuit configuration of the photographing apparatus 23 of FIG.

  The lens unit 14 b converts the captured image information into an image signal by an internal CCD (Charge Coupled Devices) or the like and outputs the image signal to the camera circuit 61. The image signal is output from the camera circuit 61 to the recording / reproducing unit 62, recorded as a digital signal in a storage medium (not shown), and reproduced as necessary. The storage medium includes, for example, a magnetic tape, a solid-state memory, an HDD (Hard Disk Drive), a magneto-optical disk, etc., but may be a removable removable device.

  The voice input unit 63 corresponds to the voice input units 24 and 25 in FIG. The voice input unit 63 converts voice input from the outside into a voice signal and outputs the voice signal to the voice circuit 64. The audio circuit 64 amplifies the received audio signal, performs A / D conversion, and outputs it to the recording / reproducing unit 62 or the transmission circuit 73. At this time, the volume of the audio signal is appropriately adjusted by the controller 65. Similar to the image signal, the audio signal input to the recording / reproducing unit 62 is recorded as a digital signal on a storage medium and reproduced as necessary. When an audio signal is reproduced, it is output as audio from a speaker (not shown) or the like.

  The controller 65 is a microcomputer incorporating a CPU, ROM, RAM, an I / O interface, and the like, and controls the entire photographing apparatus based on a program or the like incorporated in the ROM. The operation unit 66 includes various operation switches, buttons, and the like, and a display panel device. The operation unit 66 outputs operation information to the controller 65, performs operation and control instructions, and further displays a state and a situation based on information from the controller 65. I do.

  The camera drive circuit / drive mechanism 68 drives an internal motor in response to an instruction from the controller 65, and performs drive control and adjustment of focus, zoom, and iris. The pan / tilt drive circuit / drive mechanism 67 drives the pan / tilt drive motor in response to an instruction from the controller 65 to perform posture control, position control, and the like of the camera head 14.

  The light receiving element 69 which is the remote control signal receiving unit 19 receives the remote control signal transmitted from the microphone device 1 and outputs it to the receiving circuit 71. The audio signal receiving unit 20 receives a radio signal transmitted from the microphone device 1 and outputs it to the receiving circuit 71. The receiving circuit 71 outputs to the controller 65 when the input signal is a remote control signal from the light receiving element 69, and outputs it to the recording / reproducing unit 62 when it is an audio signal from the audio signal receiving unit 20.

  When the controller 65 receives a remote control signal from the receiving circuit 71, the controller 65 controls various operations such as panning or tilting rotation, shooting start or end, and recording start or end in the shooting device 23 based on the remote control signal. When the audio signal is input from the receiving circuit 71, the recording / reproducing unit 62 records the digital signal on the storage medium as described above.

  The transmission circuit 73 converts the signal from the camera circuit 61 and the audio circuit 64 and the signal reproduced by the recording / reproducing unit 62 into a signal by IrDA or Bluetooth (registered trademark), and emits light as the video signal transmitting unit 21. Output to the element 72. Then, the light emitting element 72 transmits a signal to the outside. Note that recording or reproduction is switched by an electronic switch (gate) operated under the control of the controller 65, but this is not shown in the figure.

  Next, the operation of the remote photographing system composed of the microphone device 1 and the photographing device 23 will be described with reference to FIGS.

  FIG. 6 is a diagram illustrating an operation example of a remote photographing system including the microphone device 1 and the photographing device 23, and FIG. 7 is a diagram illustrating an example of a screen displayed on the video display unit 3 of the microphone device 1. It is.

  As described above, the imaging device 23 is fixed to a tripod or the like, or is installed on a flat place. The video journalist 80 stands within the photographing range 83 of the photographing device 23 with the microphone device 1. Then, the video journalist 80 emits sound toward the sound input unit 2 of the microphone device 1. At that time, the video display unit 3 displays the video of itself taken by the imaging device 23.

  On the other hand, an earphone 81 is connected to the headphone terminal 13 of the microphone device 1 so that the video journalist 80 can monitor sound. Then, the own voice or the voice captured by the voice input units 24 and 25 of the photographing device 23 is output via the earphone 81. The video journalist 80 can report while confirming these video and audio.

  Of the four arrow keys of the remote operation button unit 4 of the microphone device 1, the left and right keys correspond to the pan direction operation, and the up and down keys correspond to the tilt direction operation. The video journalist 80 can rotate the camera head 14 of the photographing device 23 by panning or tilting by operating these arrow keys. In addition, the video journalist 80 can confirm the video captured by the imaging device 23 on the video display unit 3 of the microphone device 1 and determine the imaging range 83 of the imaging device 23 while reporting, at the time of pan or tilt operation. it can.

  The □ key of the remote operation button unit 4 of the microphone device 1 corresponds to the operation mode. The video journalist 80 can change the operation mode by pressing the □ key, and can perform a wide-angle or telephoto operation of the focus with the left and right keys and the zoom wide-angle or telephoto with the up and down keys. Even when the video journalist 80 operates the remote operation button unit 4, the video imaged by the imaging device 23 is displayed on the video display unit 3 and input by the audio input unit 2 or the audio input units 24 and 25. The sound is output from the headphone terminal 13. As a result, the video journalist 80 can confirm the angle of view and the setting state of the photographing apparatus while confirming the photographed image and sound.

  The microphone device 1 has a function of presetting the photographing position, the angle of view, and the like of the photographing device 23 in advance. The video journalist 80 can instantly call and set the preset state (shooting position, angle of view) by setting the preset number.

  By pressing the voice recognition mode function button 7, the video journalist 80 can operate panning or tilting of the photographing device 23, changing to a preset state, and the like by voice input. In the meantime, the microphone device 1 operates so as not to transmit the audio information input from the audio input unit 2 to the imaging device 23.

  When the automatic tracking function button 5 is pressed, an automatic tracking signal for automatically tracking and photographing the microphone device 1 is transmitted from the automatic tracking signal transmission unit 11. The imaging device 23 automatically tracks the microphone device 1 based on the received automatic tracking signal. Thereby, even if the journalist moves while the imaging device 23 is shooting a video journalist having the microphone device 1, the journalist himself can continue shooting without operating the imaging device 23. As a result, the video journalist 80 can move freely and report on the spot. In the present embodiment, the configuration in which automatic tracking is performed by transmitting and receiving a signal for automatic tracking between the microphone device 1 and the imaging device 23 has been described. The above processing may be performed to automatically track, or other methods may be used.

  The video journalist 80 can display the operation menu screen on the video display unit 3 by pressing the operation menu function button 6. By selecting a desired menu in a timely manner, for example, it is possible to display an interview script or dialogue stored in advance in the memory 47 and perform an interview while confirming them. In addition, the video display unit 3 can also check e-mails received via a wireless LAN or the like, and can display and check instructions, notifications, reference data, and the like from a broadcasting station.

  According to the present embodiment, while the video journalist reports to the microphone device at a location away from the photographing device, pan / tilt, photographing start / end, recording start / end, zoom, focus, exposure, etc. Various operations can be performed.

  In addition, the video journalist 80 can check the video captured by the video camera 23 installed in a remote place in real time by the video display unit 3 of the microphone device 1.

  Moreover, voice operation becomes possible by switching to the voice recognition mode. Further, the video display unit 3 of the microphone device 1 includes script information stored in the memory 47, character information such as a document, image information such as image data, character information of an email received by the email function, image information, and the like. Can be displayed. In addition, by sending an automatic tracking signal from the microphone device 1, the photographing device 23 can be automatically tracked, and even if the video journalist moves freely, the photographing device 23 can continue to capture it.

  In this embodiment, a photographing apparatus capable of photographing a moving image has been described. However, if the present invention is applied to a digital camera for photographing a still image, for example, a digital camera used for traveling, a self-port at a travel destination. It is very effective for rate photography. It is also effective for all camera systems such as network cameras and security cameras such as surveillance cameras.

It is the perspective view which looked at the microphone apparatus which concerns on embodiment of this invention from diagonally backward upper direction. It is the perspective view which looked at the microphone apparatus from diagonally forward. It is the perspective view which looked at the imaging device which concerns on embodiment of this invention from diagonally forward upper direction. It is a block diagram which shows the circuit structure of a microphone apparatus. It is a block diagram which shows the circuit structure of the imaging device of FIG. It is a figure which shows the usage example of the remote imaging | photography system comprised with the microphone apparatus 1 and the imaging device 23. FIG. It is a figure which shows an example of the screen displayed on the video display part 3 of the microphone apparatus 1 at the time of use of the remote imaging | photography system of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Microphone apparatus 2 Audio | voice input part 3 Image | video display part 4 Remote operation button part 10 Video signal receiving part 11 Automatic tracking signal generating part 12 Remote control signal transmitting part 14 Camera head 19 Remote control signal receiving part 20 Audio signal receiving part 21 Video signal Transmitter 23: photographing device

Claims (7)

Audio input means for inputting audio; transmission means for transmitting audio input from the audio input means as an audio information signal to an external device; and receiving video captured by an imaging device as an image information signal; and the reception A microphone device comprising video display means for displaying video based on the image information signal,
Operation means for causing the photographing apparatus to perform various operations including panning or tilting rotation, photographing start or end, recording start or end;
A microphone device comprising: a transmission unit that converts an operation input from the operation unit into a remote operation information signal and transmits the remote operation information signal to the imaging device. Audio input means for inputting audio; transmission means for transmitting audio input from the audio input means as an audio information signal to an external apparatus; and receiving video captured by an imaging apparatus as an image information signal; and the reception A microphone device comprising video display means for displaying video based on the image information signal,
Operation means for causing the photographing apparatus to perform various operations including panning or tilting rotation, photographing start or end, recording start or end;
A transmission unit that converts an operation input from the operation unit into a remote operation information signal and transmits the remote operation information signal;
Voice recognition means for recognizing voice input from the voice input means;
Conversion means for converting voice information recognized by the voice recognition means into a remote operation information signal;
Switching means for switching between manual operation by the operation means and voice operation by the voice recognition means;
When the transmission unit is switched to a voice operation by the voice recognition unit, the microphone device transmits the remote operation information signal converted by the conversion unit. Storage means for storing character information and image information in advance;
A network connection means for connecting to a network via wireless or wired connection and transmitting / receiving e-mail text information and image information;
3. The microphone device according to claim 1, wherein the video display means displays character information and image information stored in the storage means, or character information and image information transmitted and received by the network connection means.   The microphone device according to any one of claims 1 to 3, further comprising transmission means for transmitting an automatic tracking signal for causing the imaging device to automatically track and photograph the microphone. Shooting means that can shoot and record still images and videos,
Driving means for panning or tilting the photographing means;
Transmitting means for transmitting the video imaged by the imaging means as an image information signal;
Receiving means for receiving an audio information signal from an external microphone device and receiving a remote operation information signal transmitted from the microphone device;
The photographing apparatus and the driving means perform various operations including pan or tilt rotation, photographing start or end, and recording start or end based on the received remote operation information signal.   6. The photographing apparatus according to claim 5, wherein the receiving means receives an automatic tracking signal for automatically tracking and photographing the microphone. In the remote imaging | photography system comprised with the microphone apparatus of Claims 1 thru | or 4, and the imaging device of Claim 5 or 6,
The photographing apparatus receives an automatic tracking signal transmitted from the microphone device, and performs automatic tracking by panning or tilting driving an imaging unit of the photographing apparatus based on the automatic tracking signal. system.

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