JPH04362861A - Audio image processor and method - Google Patents

Abstract

PURPOSE:To realize an efficient audio image processor by reducing the number of chips by making the audio image processor correspond to a system different in memory size, and at the same time by executing both the audio processing and the system control at a time. CONSTITUTION:A read section 8 reads image information and transfers it to a system control section 3, and the transferred image information is compressed by a data compression section not shown in the attached diagram and is written in the image information area 23 of audio/non-audio shared semiconductor memory 2 via a selecting section 10. In the data transmission, the audio image processor transfers image data from the image information to the system control section 3 via the selecting section 10, and the compressed image information is regenerated by a regenerating section not shown in the diagram, is modulated by MODEM 7, and is then transmitted from a line via a NCU 6.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an audio image processing apparatus, and more particularly to an audio image processing apparatus for recording audio and images.

0002

2. Description of the Related Art An example of such a conventional audio image processing device is a facsimile device that has a built-in answering machine function that stores audio data as well as image information. As described above, some conventional audio image processing devices use magnetic tape memory as a shared storage medium for audio and non-audio, but magnetic tape requires a mechanism and drive system, so it is not reliable. Further, there is a problem that power consumption during operation is large and a large capacity power supply circuit is required. Therefore, a technology that solves this problem is one that processes audio and images in an integrated manner and stores the results in external storage means (Japanese Patent Laid-Open No. 1983-1989-1).
180684) and one that stores audio and images in a series of memories (Japanese Patent Application Laid-open No. 190470/1983).

0003

[Problem to be solved by the invention] However, such
A conventional device using a semiconductor memory as an audio memory has a dedicated audio memory for audio processing, and separate ROM, RAM, and RAM for system control and image information storage. As a result, the number of chips increased, and it was not possible to adequately support systems with different memory sizes. Further, in conventional audio image processing devices, since audio data and image data are handled in the same manner, system control cannot be performed during audio processing. SUMMARY OF THE INVENTION An object of the present invention is to provide an audio image processing device that can reduce the number of chips and support systems with different memory sizes. The purpose of this invention is to provide a processing device.

0004

[Means for Solving the Problems] The invention according to claim 1 includes: audio processing means for converting between analog audio data and digital audio data; and a shared semiconductor memory for storing digital audio data and image data. , a control means for controlling the operation of the system, and the shared semiconductor memory,
The audio image processing apparatus is provided with data transfer path selection means that is connected to the audio processing means when processing audio data and connected to the control means when processing image data. Claim 2
The audio image processing device described above further includes a read-only memory for storing system control programs and voice data for fixed messages, and a read-only memory for storing various parameter data for system control and voice data for variable messages. , When recording and reproducing audio data in these read-only memories and read-only memories, the audio data is recorded and reproduced via the shared semiconductor memory. In the invention according to claim 3,
When reproducing audio data in the read-only memory and read-only memory, the data transfer path selection means connects the control means to the shared semiconductor memory, stores the audio data in the shared semiconductor memory, and then the data transfer path selection means When connecting from the shared semiconductor memory to the audio processing means, outputting the audio data as an analog signal, and recording the audio data to the reading/reading memory, the data transfer path selection means connects the audio processing means to the shared semiconductor memory. The connection is made, the audio data digitized by the audio processing means is stored in the shared semiconductor memory, and then the data transfer path selection means connects from the shared semiconductor memory to the control means, and the digital data stored in the shared semiconductor memory is connected. The audio data is stored in the reading/reading memory.

That is, by the data transfer path selection means,
By allowing the system bus and audio bus to be separated, audio processing and system control can be performed simultaneously. In addition, by storing audio data in a memory for system control, such as ROM or RAM, and storing image information in an audio memory connected to the audio processing means, a large capacity memory can be used. To reduce the number and to make it easy to use so that it can correspond to various systems with different memory sizes. Fixed messages are stored in read-only memory so that they will not be erased, variable messages are stored in read-only memory so that users' unique messages can be entered, and voice and image information shared memory for temporary storage, which requires a large capacity, is used. When processing voice messages by securing a voice message execution area in the shared memory mentioned above, before processing,
A fixed message or a variable message is transferred to the execution area, and data in the execution area is subjected to audio processing during audio processing, thereby making it possible to control the system simultaneously during audio processing.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the audio image processing apparatus of the present invention will be described in detail below with reference to FIGS. 1 and 2. FIG. 1 shows the configuration of a facsimile machine using an audio image processing device. In this figure, reference numeral 1 denotes an audio processing unit that digitizes audio data input from a microphone 11 or a line, and digitizes the audio data inputted from a microphone 11 or a line.
to be memorized. The audio processing unit 1 also reproduces audio data stored in the audio/non-audio shared semiconductor memory 2 and outputs audio to the speaker 12 or the line. moreover,
The audio processing section 1 writes image information handled by the system control section 3 into the image information of the audio/non-audio shared semiconductor memory 2, and reads out the image information.

The voice/non-voice shared semiconductor memory 2 is provided with a voice message execution area 21, a temporary storage voice area 22, and an image information area 23. The voice message execution area 21 stores fixed messages and variable messages. The temporary storage audio area 22 is used for recording an answering machine, and stores audio data from the microphone 11 and the line. In the image information area 23, accumulated image data at the time of facsimile memory transmission and image data at the time of proxy reception are stored.

Reference numeral 4 denotes a ROM (read-only memory), and this ROM 4 stores programs that define various operations to be executed by the system control unit 3 and fixed messages. 5 is a RAM (random access memory), and this RAM 5 includes a battery 51.
forms non-volatile memory backed by
System data such as parameters specific to the facsimile machine, a working register area of the system control section 3, a one-touch dial number, and variable messages are stored. 6 is a network control unit (NCU) connected to the line; 7 is a modem (MODEM) that modulates and demodulates image information and transmits and receives facsimile communication procedures;
8 is, for example, a CCD (Charge Coupled
9 is a reading unit equipped with a solid-state image sensing device such as a device such as a device such as a device such as a device such as a device such as a device such as a device such as a device such as a device such as a device such as a device such as a device such as a device such as a device.

FIG. 2 shows the configuration of the selection section 10. As shown in this figure, a selection unit 10 that selects a data transfer path has four tri-state buffers 110 connected in a bridge configuration, each connected to a system control unit 3, an audio processing unit 1, and a semiconductor memory 2. ing. This tri-state buffer 110 is controlled by control signals S1, S2, V1, and V2 supplied thereto, and becomes high impedance when a low signal "L" is supplied. These control signals S1, S
The data transfer path is selected by supplying V2, V1, and V2.

When performing audio processing during recording, the selection section 10 converts the control signals S1, S2, and V1 into low signals "
By setting V2 to a high signal "H", audio processing is performed, and at the same time, the system side BVS is disconnected and system control can be performed in parallel.Audio processing during playback is performed by S1. , S2 and V2 are set to low signal “L”,
Let V1 be a high signal "H". Similarly, when writing to the shared memory from the system control means, V1, V2, S2
is set as a low signal "L", and S1 is set as a high signal "H". For reading, set V1, V2, and S1 to low signal “L”
Then, S2 is set to a high signal "H".

The operation of the facsimile machine configured as described above will be explained. The selection unit 10 has an audio recording/playback mode and a memory reading mode. During the recording/playback mode, it accesses the audio/non-audio shared semiconductor memory 2 to perform audio processing, and during the reading mode, it accesses the audio/non-audio shared semiconductor memory 2 and performs audio processing. It mediates the data transfer of the audio/non-audio shared semiconductor memory 2.

Fixed message R stored in ROM4
When playing a variable message stored in AM5, first,
Among the control signals supplied to each tri-state buffer 110 of the selection unit 10, the control signal S1 is set to a high signal “H”, and the other control signals are set to a low signal “L”, and the system control unit 3 outputs audio/non-sound signals. Connect the shared semiconductor memory in two directions. In this state, the system control section 3 transfers the voice data of one of the messages to the voice message execution area 21 of the voice/non-voice shared semiconductor memory 2 via the voice processing section 1. After that, only the control signal V1 of the selection unit 10 becomes a high signal.
Connecting from the voice/non-voice shared semiconductor memory 2 to the voice processing unit in one direction is performed by setting the signal "H" and the other to the low signal "L". In this way, in the voice recording and playback mode, the voice stored in the voice message execution area The data is supplied to the audio processing unit 1. Here, the audio data is subjected to audio reproduction processing,
It is output to the line via the speaker 12, the switch 13, and the NCU 6.

On the other hand, when recording a variable message, selector 1
Only the control signal V2 of 0 is set to a high signal "H" and the others are set to a low signal "L" to set the audio recording/reproducing mode, and the audio processing section 1 is connected in two directions to the audio/non-audio shared semiconductor memory. In this state, the audio data supplied from the line or the microphone 11 is processed by the audio processing unit 1, and the audio data is
It is expanded into the execution area 21 of the non-audio shared semiconductor memory 2 as a variable message. Next, only the control signal S2 is set to a high signal "H" and the others are set to a low signal "L" to connect the audio/non-audio shared semiconductor memory 2 to the system control unit 3. In this state, the system control unit 3 sends the audio data as a variable message stored in the execution area 21 to
Write to the variable message area of AM5.

In the case of an answering machine, only the control signal V2 is set to a high signal "H" and the others are set to a low signal "L" to connect the audio processing unit 1 to the audio/non-audio shared semiconductor memory in two directions. Then, the audio data from the line is subjected to audio processing by the recording and reproducing means 1, and is written as is into the temporary storage audio area 22. On the other hand, in the case of absentee recording playback, the control signal V
1 is set as a high signal “H” and the others are set as low signal “L” to connect the audio/non-audio shared semiconductor memory 2 to the audio processing unit in one direction, and record and playback the audio data stored in the temporary storage audio area 22. Sound processing is performed by means 1, and speaker 12
Play with.

In this way, during recording, that is, in the selection circuit 10, only the control signal V2 is a high signal.
H” and during playback, that is, the control signal V
If only 1 is a high signal "H", the system side bus is disconnected, so it is possible to perform system control at the same time.

Next, the specific operation of memory transmission by the facsimile machine will be explained. The image information read by the reading unit 8 is transferred to the system control unit 3, compressed by a compression unit (not shown), and transferred to the image information area 23 of the audio/non-audio shared semiconductor memory 2 via the selection unit 10.
will be written to. At the time of transmission, the image data in the image information area 23 is transferred to the system control unit 3 via the selection unit 10, the compressed image information is reproduced by a reproduction unit (not shown), modulated by the MODEM 7, and transmitted via the NCU 6. Send from line.

[0017]

According to the present invention, high reliability and low power consumption can be achieved by using an audio/non-audio shared semiconductor memory as the shared memory. Further, since the system bus and the audio bus are separated by the data transfer path selection means, audio processing and system control can be performed simultaneously.

[Brief explanation of drawings]

FIG. 1 is a configuration diagram of an embodiment of an audio image processing device of the present invention.

FIG. 2 is a configuration diagram of a selection section of the same as above.

[Explanation of symbols]

1 Audio processing section 2 Audio/non-audio shared semiconductor memory 3 System control section 4 ROM 5 RAM 10 Selection section 110 Tri-state buffer

Claims (3)

[Claims] 1. Audio processing means for converting between analog audio data and digital audio data; shared semiconductor memory for storing digital audio data and image data; control means for controlling the operation of the system; An audio image processing device comprising: data transfer path selection means that connects a shared semiconductor memory to the audio processing means when processing audio data and to the control means when processing image data. 2. A read-only memory that stores a system control program and voice data for fixed messages; and a read-only memory that stores various parameter data for system control and voice data for variable messages; 2. The audio image processing device according to claim 1, wherein when recording and reproducing audio data in a memory or a read/write memory, recording and reproducing is performed via a shared semiconductor memory. 3. When reproducing audio data in the read-only memory and read-only memory, the data transfer path selection means connects the control means to the shared semiconductor memory, stores the audio data in the shared semiconductor memory, and then, When the data transfer path selection means makes a connection from the shared semiconductor memory to the audio processing means, converts the audio data into an analog signal and outputs it, and records the audio data in the reading/reading memory, the data transfer path selection means connects the shared semiconductor memory to the audio processing means. A connection is made in the direction of the shared semiconductor memory, the audio data digitized by the audio processing means is stored in the shared semiconductor memory, and then a connection is made from the shared semiconductor memory in the direction of the control means by the data transfer path selection means, and the data is transferred to the shared semiconductor memory. An audio image processing method characterized by storing digital audio data stored in a read/write memory.