1. Field of the Invention
This invention relates to a device and method for printing transcriptions of meetings, events, etc., and in particular, to a system and method of printing a transcription on a fax in real time.
2. Description of the Related Art
Transcriptions, whether created by a computer running an Automatic Speech Recognition (ASR) program or by a stenographer, are typically displayed on a computer monitor in real time. Thus, when depositions, meetings, speeches, etc. are transcribed, the transcribed text appears line by line on a computer screen. However, a computer monitor may not always be available to display the transcribed text in real time. Indeed, even in environments which have computer monitors, they may not be available for the purpose of displaying real time transcribed text, because they are being used for other functions.
In a similar vein, with the spread of embedded technologies and smaller computer units, such as palm-tops, the ability to provide portable transcription service will become more important. But the small screens on such devices are ill-suited for displaying transcribed text.
Therefore, there is a need for additional devices that are capable of displaying transcribed text in real time, as well as a method to provide such functionality to those devices. In addition, this system and method should use a device that is present in most working environments to provide this functionality.
One aspect of this invention is to provide a transcription system and method that allows the use of a facsimile (fax) machine to display transcribed text.
Another aspect of this invention is to provide a system and a method for the use of fax machines in multimedia presentations.
Yet another aspect of the invention is to provide a system for other peripheral or stand-alone devices to provide a printing capability for a transcription service or a multimedia presentation.
These and other aspects are fulfilled by the proposed system and method for using printing devices for transcribed text or a multimedia presentation is proposed. Using the system and method, a printing capability using peripheral or stand-alone devices is realized. In the system and method, portions of a multimedia presentation, transcribed text, or both are output to a printing device. In the preferred embodiment, transcribed text is output to a fax machine by means of a Real Time Transcription Fax Server, which can also interleave other material into the fax output, and/or synchronize the fax output with other devices, such as monitors and speakers.
The foregoing and other objects, aspects and advantages will be better understood from the following detailed description of preferred embodiments of the invention with reference to the following drawings. In the drawings, the same reference numbers in different drawings denote the same objects.
In the following description of the preferred embodiment of the present invention, many specific items are described, but these details are provided only for a complete understanding of the present invention, and thus it will be understood by those skilled in the art that the present invention can be performed without such specified items or with modifications thereof. Detailed descriptions of certain items that are well-known to one with skill in the art are omitted in order that the description of the preferred embodiment not be overwhelmed with irrelevant details.
In the preferred embodiment of the present invention, a fax machine is enabled to provide a printout of real-time transcribed text, as well as multimedia presentations. A real-time transcription fax print server, which can perform the appropriate translations and fax machine commands, receives transcription or multimedia data, processes it, and forwards the data to the appropriate peripheral units. In this and the following description, the term “server” is used in a generic functional sense. In other words, the term “server’ should be understood within the client/server architectural model—the client requests a service, the server provides a service. Thus, the real time transcription fax print server described below may exist as any combination of software, firmware, or hardware. However much of the print server is implemented in software, firmware, or hardware is open to many variations, as is well known in the art. The clients also may take any form—whether a transcription program resident on a personal computer (PC), a stenographer typing into a stenograph writer, multimedia presentation software, etc.
Furthermore, the terms “network” and “computer” are used in the most general sense. A “computer” is any computing means, from a single microprocessor or micro-controller to a computer system distributed over multiple processing nodes. A “network” includes any means that connects devices, whether computers, telephones, or other devices. Other terms in the text are also to be understood in a generic functional sense, as would be known by one skilled in the art.
An overview of the preferred embodiment of the present invention will be described with reference to
The real time transcription fax print server 100 is not shown as embodied in any particular device in
It should be noted that, although it is termed a “real time transcription fax print server” in reference to the preferred embodiment, the print server does not necessarily translate “transcriptions”, but may deal with graphics, images and the like, as described below. Furthermore, the print server does not necessarily output to a “fax”, but may output to a printer, or to fax emulation software running on a processor. Lastly, the print server does not necessarily have “real time” input, but may take input from a storage means.
Computer 139 is capable of multimedia presentations, and could be used for a real time videoconference, a televised speech, or an audio/video (a/v) presentation. When this is used, a participant or viewer with access to computer 169 and fax machine 150 will have enhanced capabilities by means of the RTT fax print server 100. For example, if an a/v presentation is being given, the viewer could listen by means of speakers 160, watch the presenter on the monitor of computer 169, and simultaneously receive additional text or imagery by means of fax machine 150. Furthermore, the fax machine, through use of the RTT fax print server 100, could be used to print out other forms of continuous streaming data, such as stock quotes or news flashes, while the reader is using computer 169 for other purposes.
Now, a more in-depth description of the modules comprising RTT fax print server 100 will be described with reference to
FCM 220 manages the connection between the RTT fax print server 100 and fax machine 150. It may be initialized with one network address for the fax machine 150, but it may be informed of the appropriate fax machine network address by user input or network management programming. FCM 220 activates, maintains, and deactivates connections with one or more fax devices. One of the primary purposes of FCM 220 is to stop the activated fax device from “timing out”. In normal usage, a fax device receives a continuous stream of data, and, when there is prolonged delay, the fax device considers the communication concluded and times out. For example, in the International Telecommunications Union (ITU) T.30 protocol, the delay tolerance is 3 seconds±15%, or 2.55 to 3.45 seconds, meaning that the connection will be terminated on the fax machine side if no data is received for that period of time. However, when a conversation is being transcribed, there may be long pauses between sentences, or there might be a pause as the transcription software or stenographer catches up, which would result in the fax machine timing out.
There are various means to prevent this timing out without necessarily altering the transmission protocol, and one such means is described in U.S. Pat. No. 5,790,641 to Chan et al. (hereinafter, the '641 patent), which is hereby incorporated by reference. The '641 patent solves the time out problem by generating and transmitting delay signals to the connected fax, thus reinitializing the internal time-out counter and forestalling the time out. These delay signals are transmitted repeatedly to maintain the connection and can be used with any transmission protocol, without modifying the transmission protocol. In the preferred embodiment, the different delay tolerances of various transmission protocols are stored in FCM 220 and are automatically selected depending on the connected fax device. The FCM 220 deactivates the connection based on signals from the transcription service, such as when a stenographer presses a certain button indicating that transcription has ceased.
Multimedia Integration Module 230 provides the ability to integrate images or graphics into the transcription data being transmitted to the fax machine. In other words, these images or graphics are translated into a format readable by fax machine 150. Using these means, input in the form of stills from camera 135, computer-stored images, or graphics accompanying an a/v presentation could be output on fax machine 150. The MIM 230 will be described in greater detail below, with reference to
Multimedia Synchronization Module 240 takes a combined multimedia signal input, separates out the different types of data, such as transcribed text, audio signals, or video signals, for separate output devices, and synchronizes the separate outputs. In other words, the MSM 240 is used when the multimedia output is being sent to more than one peripheral device, whereas MIM 230 is used when the multimedia output is all going to fax machine 150 (or a fax program on a computer).
For example, if a videoconference was taking place where there is video input through camera 135, audio input through microphone 130, both of which are used to create a MPEG (Moving Pictures Engineering Group) signal by computer 139, and the computer 139 is also creating a transcribed text, this combined videoconference multimedia signal would be output on network 101. The MSM 240 would receive this signal, separate out its components, synchronize the components, and send them to computer 169 and fax machine 150. Thus, a user at computer 169 would see video output on screen 169a, audio output through speakers 160, and transcribed text printing out on fax machine 150. In other embodiments, the MSM 240 can be left out of the RTT fax print server 100 in order to conserve space. For instance, if the RTT fax print server was implemented in a PDA, which has a limited memory capacity, the MSM 240 may be omitted so that the PDA only has the ability to print transcribed speech to a fax machine or fax program. The MSM 240 will be described in greater detail below, with reference to
Audio Fragment Management Module (FMM) 250 keeps data in a buffer in order to manage the fragments (or phrases) of conversation being transcribed. Since most fax devices use single page printers, the preferred embodiment of the present invention breaks transcribed text up into fragments in order to ensure that completed fragments appear on a single page, rather than spread across two pages, which may be confusing. In addition, the FMM 250 ensures that the output is more intuitive, and understandable to the reader. The granularity of the fragments may be set by the user or automatically. The granularity may be small, such as a word, or large, such as whole sentences. Thus, if the fragment granularity was set to a word, the FMM 250 would store a formed word in the buffer, determine if there was enough room to fit the word on the current page being printed on fax machine 150, and either form feed the current page if the word was too large, or print it on the current page if there was room. Similarly, with granularity set to a sentence, the FMM 250 would store a formed sentence, determine if there was room, and form feed or print to the current page based on the sentence size and the amount of room left on the current page.
If a phrase were the chosen fragment granularity, the FMM 250 would break up sentences where a punctuation mark was expected, and keep those sections, or phrases, intact when printing. This may be done, for example, by using the pauses in spoken speech, as described in “Speech Recognition with Automatic Punctuation”, C. J. Chen, Proceedings of EuroSpeech 99, 1:447-450. Other methods of defining fragments use language models, Natural Language Understanding (NLU), etc.
Control Module 260 stores control information and parameters for the operation of the RTT fax print server 100. Control information includes input and output parameters and is further described in connection with
Although
An image buffer 320 stores the next image to be printed on the fax machine. The image consists of either a still from the C/D translator 310 or an image directly input in the incoming data stream. If directly input, the image buffer 320 may have to partially reconstruct the image as it is buffering it. The image buffer 320 awaits directions from an Interleaver 330 before sending the buffered image to fax machine 150 through I/O module 210.
The Interleaver 330 interleaves the images between the transcribed text in the fax machine printed output. The Interleaver 330 may rely on instructions from the user or an external program for appropriate placement of images, or may provide its own algorithm for splitting up the text, based on the nature of the incoming signal. For example, the user may want an image of the speaker to print out after every seventh line of transcribed text. Or an external program might indicate to Interleaver 330 that a particular diagram should be placed in the fax printout after a particular word in the transcribed text. This could happen in the instance that a speaker is showing slides during a presentation. Or the Interleaver (or Control Module 260) may determine whether to insert an image based on the size of the fragments to be printed and the lacunae in the speech or conversation being transcribed.
The Interleaver 330 works closely with FMM 250 to properly interleave the image between the lines or fragments of text. In the case where the C/D Translator 310 is taking snapshots of an incoming video stream, the image buffer stores a time index associated with the captured still image. Similarly, the FMM 250 would maintain a time index associated with each fragment. The Interleaver 330 would use these two time indices to determine where to place the image in the fax output.
On the other hand, if the user is engaged in a videoconference, the user may wish to keep the a/v signals in real-time so that he or she may interject or respond in a timely manner. In this case, the Synchronizer 420 will not buffer the a/v signals, and there will be a resulting delay in the transcribed text being output on fax machine 150.
The Synchronizer 420 is also capable of synchronizing output to several different printers or fax machines. In this case, the stenographer or stenographic program would have the ability to add labels to the transcribed text in order to classify different portions of the text. For example, the transcribed text might be labelled by level of importance, with the most important text being output to a particular printer or fax machine, and the remaining text being output to other printers or fax machines.
In addition, if the stenographer or stenographic program has the labeling capability discussed above, the FMM 250 may also alter the appearance of certain text or the speed of printing. For instance, if the stenographer or stenographic program labels something to indicate it was said with particular emphasis, the FMM 250 may print that labeled material in a larger font, or in bold, etc. Furthermore, the labels inserted by the stenographer or stenographic program might also indicate to print a particular phrase or fragment more quickly in order that the immediacy of highly relevant parts of the conversation is not lost. This might be done by increasing the font size, thereby causing the lines printed per minute to rise.
Lastly, the FMM 250 is also used to overcome limitations of particular printers or fax machines. For example, in some fax machines, there is a certain amount of time and distance before printed text becomes visible. This would introduce a time lag in following the conversation. To fix this problem, in the preferred embodiment of the present invention, the FMM 250 would add several returns after each printed fragment, so that the printed fragment becomes immediately visible.
Audio 640 has three choices: computer speakers, speaker system, and other. The computer speakers box is selected when a computer system is being used, such as speakers 160 attached to computer 169 in
The preferred embodiment described above is for a real-time transcription to a fax machine. In other embodiments, a multimedia presentation might be recorded on a computer-readable medium, and be played back through the RTT fax print server 100 as a continuous stream. In addition, the RTT fax print server 100 may not output transcribed text or video images to the fax machine, but other types of printed text. For instance, during an a/v presentation concerning taxes, a sample tax form could print out on the fax machine so that the viewer may look at it and fill it out during the presentation. Or during an engineering a/v presentation, a detailed architectural diagram could print out for the user to look at and write on. Lastly, although the RTT fax print server 100 is directed towards printing on a fax machine, it could also be used for providing the same printing capabilities on a printer.
As was noted in the beginning of the Detailed Description, although it is termed a “real time transcription fax print server” in reference to the preferred embodiment, the print server according to the present invention does not necessarily translate “transcriptions”, but may deal with graphics, images and the like, as has been described above. Furthermore, the print server according to the present invention does not necessarily output to a “fax”, but may output to a printer, or to fax emulation software running on a processor. Lastly, the print server according to the present invention does not necessarily have “real time” input, but may take input from a storage means.
While the present invention has been described with respect to a certain preferred embodiment, it should be understood that the invention is not limited to these particular embodiments, but, on the contrary, the invention is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Number | Date | Country | |
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Parent | 09661728 | Sep 2000 | US |
Child | 11088066 | Mar 2005 | US |