KR200262168Y1 - DVD player had a HDD device - Google Patents

Abstract

The present invention relates to a hard disk drive integrated DVD player, in addition to the DVD playback module for reproducing the image and / or audio data recorded on the DVD (Digital versatile disc), the analog image and / or audio signal input from the outside An A / D converter for converting to a digital signal, an encoder for compressing and encoding a digital picture and / or an audio signal converted by the A / D converter, and a digital picture and / or audio data encoded by the encoder And further comprising an external input signal storage and reproducing module including a hard disk drive (HDD), thereby providing an image input from an external device without using an expensive DVD ROM writer and a DVD on which images and / or audio data are recorded. Or you can easily and economically store your audio data and play back in real time or non-real time, Compared to writing to a DVD using an existing DVD ROM Writer, the recording time is very short and there is less possibility of errors during recording.

Description

Hard disk drive integrated DVD player {DVD player had a HDD device}

The present invention relates to a hard disk drive integrated DVD player, which reads and decodes an encoded digital picture and / or audio data recorded on a digital versatile disc (DVD), and decodes the decoded digital picture and / or Or a DVD player for converting an audio signal into an analog signal and outputting the same through a screen output means.

Conventional DVD playback apparatuses include a decoder which reads and decodes encoded digital pictures and / or audio data recorded on a digital versatile disc (DVD), digital pictures that are decoded by the decoder, and / or Or a D / A converter for converting an audio signal into an analog signal and outputting the same through a screen output means. It outputs audio data or is installed independently to operate an image and / or audio data through a TV screen.

In the case of a conventional DVD player, there is no function of storing image and / or audio data input from the outside and outputting it when a user needs it. In the case of a computer, a video camera or / and a microphone and an external audio device are provided through predetermined software means. Video and / or audio data input from external devices such as external video devices or other computers via the Internet are encoded and stored in the HDD of the computer main body in a compression format supported by the DVD player, and an expensive DVD ROM Writer And recorded on the DVD and stored in the DVD, and the user inserts the DVD into the DVD player and plays it if necessary. Typically, the DVD ROM writer includes the DVD playback function.

However, the DVD ROM writer is expensive, and a DVD purchase cost for recording images and / or audio data is required, and the image and / or audio data is transferred to the DVD using the DVD ROM Writer. It takes a long time to record, many errors occur during recording, and can not reproduce the image and / or audio data input from the external device in real time.

The present invention is designed to solve the above problems, and by encoding and storing the image and / or audio data input from an external device in a compression format supported by the DVD player, the user can easily play back whenever necessary. It is an object of the present invention to provide a hard disk drive integrated DVD player capable of reproducing images and / or audio data input from the device in real time.

1 is a block diagram of a first embodiment of an HDD integrated DVD player according to the present invention;

2 is a block diagram of a second embodiment of an HDD-integrated DVD player according to the present invention;

3 is a block diagram of a third embodiment of the HDD integrated DVD player according to the present invention;

<Description of the symbols for the main parts of the drawings>

100: DVD playback module 110, 240: decoder

120, 250: D / A converter 200: External input signal storage and playback module

210: A / D converter 220: encoder

230: HDD

According to an aspect of the present invention for achieving the above object, the HDD integrated DVD player according to the present invention reads the encoded digital image and / or audio data recorded on the DVD (Digital versatile disc) DVD playback including a decoder for decoding and a D / A converter for converting a digital image and / or audio signal decoded by the decoder into an analog signal and outputting the same through an image output means. An apparatus, comprising: an A / D converter for converting an externally input analog image and / or audio signal into a digital signal; An encoder for compressing and encoding the digital image and / or the audio signal converted by the A / D converter; And an external input signal storage and reproducing module including an HDD for storing the digital image and / or the audio data encoded by the encoder.

According to still another aspect of the present invention, an HDD integrated DVD player according to the present invention includes a decoder for reading and decoding encoded digital pictures and / or audio data recorded on a digital versatile disc (DVD). A DVD player comprising a DVD playback module having a D / A converter for converting a digital image and / or an audio signal complexed by the decoder into an analog signal and outputting the analog signal through a screen output means. An A / D converter for converting an analog image and / or audio signal into a digital signal; An encoder for compressing and encoding the digital image and / or the audio signal converted by the A / D converter; An HDD for storing the digital image and / or audio data encoded by the encoder; A second decoder for decoding the encoded digital picture and / or voice data stored in the HDD; It further comprises an external input signal storage and playback module comprising.

According to still another aspect of the present invention, an HDD integrated DVD player according to the present invention includes a decoder for reading and decoding encoded digital pictures and / or audio data recorded on a digital versatile disc (DVD). A DVD player comprising a DVD playback module having a D / A converter for converting a digital image and / or an audio signal complexed by the decoder into an analog signal and outputting the analog signal through a screen output means. An A / D converter for converting an analog image and / or audio signal into a digital signal; An encoder for compressing and encoding the digital image and / or the audio signal converted by the A / D converter; An HDD for storing the digital image and / or audio data encoded by the encoder; A second decoder for decoding the encoded digital picture and / or voice data stored in the HDD; And an external input signal storing and reproducing module including a second D / A converter for converting the digital image and / or audio signal decoded by the second decoder into an analog signal.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce the present invention.

1 is a block diagram of a first embodiment of an HDD integrated DVD player according to the present invention.

As shown in the figure, the HDD-integrated DVD playback apparatus according to this embodiment includes a DVD playback module 100 and an external input signal storage and playback module 200.

The DVD playback module 100 has the same configuration and role as a conventional DVD playback apparatus, and reads a digital image and / or audio signal recorded on an inserted DVD and reproduces it through a screen output means such as a monitor or a TV screen. .

The DVD playback module 100 includes a decoder 110 and a D / A converter 120.

The decoder 110 reads an encoded digital picture and / or audio data recorded on a digital versatile disc (DVD), and decodes it.

That is, the decoder 110 reads and decompresses a digital picture and / or audio data in a DVD encoded and stored in a format supported by the DVD player, for example, MPEG-2 and MPEG-3 compression.

The D / A converter 120 converts the digital image and / or audio signal complexed by the decoder 110 into an analog signal and outputs the analog signal through the screen output means.

That is, the digital image and / or audio signal complexed by the decoder 110 is converted into an analog signal through the D / A converter 120 and output through a screen output means such as a computer monitor or a TV screen. .

On the other hand, the external input signal storage and playback module 200 is provided with a storage means for input from external devices such as a video camera or / and a microphone, an external audio device, an external video device, other computers via the Internet and / Or store a voice signal.

In detail, the external input signal storing and reproducing module 200 includes an A / D converter 210, an encoder 220, and an HDD 230.

The A / D converter 210 converts an external analog image and / or audio signal into a digital signal.

That is, analog video and / or audio signals input from external devices such as a video camera or / and a microphone, an external audio device, an external video device, and another computer through the Internet may be digital signals through the A / D converter 210. Is converted to.

Since a technique for converting an analog signal into a digital signal is already widely known and used before this application, a detailed description thereof will be omitted.

The encoder 220 compresses and encodes a digital image and / or an audio signal converted by the A / D converter 210.

That is, the digital image and / or audio signal converted by the A / D converter 210 may be compressed by a DVD player through the encoder 220, for example, a compression algorithm such as MPEG-2 or MPEG-3. Is encoded through

Since such techniques and compression algorithms are already widely known and used in the field of image processing before this application, detailed description thereof will also be omitted.

The HDD 230 stores digital images and / or audio data encoded by the encoder 220.

That is, the digital image and / or audio data encoded by the encoder 220 are stored by the HDD 230 which is a storage means.

In the present embodiment, the digital image and / or audio data stored in the HDD 230 are reproduced by using the decoder 110 and the D / A converter 120 of the DVD reproducing module 100.

That is, the digital image and / or audio data stored in the HDD 230 are decoded by the decoder 110 of the DVD playback module 100 during reproduction, and the decoded digital image and / or audio data are decoded. The signal is converted into an analog signal through the D / A converter 120 and reproduced through a screen output means such as a computer monitor or TV screen.

2 is a block diagram of a second embodiment of the HDD-integrated DVD player according to the present invention.

The HDD integrated DVD player according to this embodiment decodes the encoded digital image and / or audio data stored in the HDD 230 in the external input signal storage and playback module 200 of the invention described in the embodiment of FIG. The second decoder 240 is configured to further include.

That is, in this embodiment, unlike the scheme shown in FIG. 1, the encoded digital image and / or audio data stored in the HDD 230 are decoded through the second decoder 240, and the decoded digital image and / Or audio data is converted into an analog signal through the D / A converter 120 of the DVD playback module 100 to be reproduced through a screen output means such as a computer monitor or TV screen.

Parts not described in this embodiment of the components shown in Figure 2 performs the same operation as each of the components of the same name in the design shown in Figure 1 described above, detailed description thereof will be omitted.

3 is a block diagram of a third embodiment of the HDD integrated DVD player according to the present invention.

In the HDD-integrated DVD player according to this embodiment, the digital image and / or audio signal decoded by the second decoder 240 in the external input signal storage and playback module 200 of the invention described in the embodiment of FIG. And a second D / A converter 250 for converting a digital signal into an analog signal, and playing back digital images and / or audio data recorded on a DVD and input from external devices and stored in the HDD 230. The audio data is reproduced independently of each other.

That is, in this embodiment, the encoded digital picture and / or audio data stored in the HDD 230 are decoded through the second decoder 240, and the decoded digital picture and / or audio data is decoded. The analog signal is converted by the D / A converter 250 to be reproduced through a screen output means such as a computer monitor or TV screen.

Parts not described in this embodiment of the components shown in Figure 3 operate the same as each of the components of the same name in the design shown in Figures 1 and 2 described above, detailed description thereof will be omitted.

Accordingly, in the HDD integrated DVD player according to the present invention, images and / or audio data recorded on a DVD are played through the DVD player module 100, and a video camera or / and a microphone, an external audio device, an external video device, Image and / or audio data input from external devices such as another computer through the Internet is converted into a digital signal through the A / D converter 210 of the external input signal storage and playback module 200, and this conversion is performed. Compressed digital picture and / or audio signal through the encoder 220 to be encoded and stored in the HDD 230, and the encoded digital picture and / or audio signal stored in the HDD 230 is stored in the DVD playback module. Decoded by the decoder 110 and the D / A converter 120 of 100 and analog-converted to reproduce through the screen output means, or the second decoder of the external input signal storage and playback module 200 ( 240 and the second D / A converter 250 decodes and converts the analog signal to reproduce through the screen output means.

By configuring as described above, the HDD-integrated DVD player according to the present invention is provided with a low-cost HDD integrally, so that external devices such as video cameras and / or microphones, external audio devices, external video devices, and other computers via the Internet can be used. The input image and / or audio data can be stored in the DVD player so that it can be easily played back whenever the user needs it. The image and / or audio data input from the external device, digitally converted, encoded and stored on the HDD It is possible to achieve real-time reproduction by reading the data in real time, decoding it, converting the analog, and outputting the stream to the screen output means in real time, thereby achieving the object of the present invention.

As described above, the hard disk drive integrated DVD player according to the present invention is an image and / or input from an external device without using an expensive DVD ROM writer and a DVD on which images and / or audio data are recorded. Easy and economical storage of audio data and real-time or non-real-time playback of original video, and requires very little storage time compared to recording images and / or audio data on a DVD using the DVD ROM Writer It has a very useful effect such as less chance of error in recording.

Although the present invention has been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that various modifications can be made without departing from the scope of the present invention, which is covered by the utility model registration claims described below.

Claims (3)

A decoder that reads and decodes an encoded digital picture and / or audio data recorded on a digital versatile disc (DVD), and converts the digital picture and / or audio signal, which is decoded by the decoder, into an analog signal. In the DVD player comprising a DVD playback module having a D / A converter for converting the output through the screen output means, An A / D converter for converting an externally input analog image and / or audio signal into a digital signal; An encoder for compressing and encoding the digital image and / or the audio signal converted by the A / D converter; An HDD for storing the digital image and / or audio data encoded by the encoder; Hard disk drive integrated DVD playback device further comprises an external input signal storage and playback module comprising. A decoder that reads and decodes an encoded digital picture and / or audio data recorded on a digital versatile disc (DVD), and converts the digital picture and / or audio signal, which is decoded by the decoder, into an analog signal. In the DVD player comprising a DVD playback module having a D / A converter for converting the output through the screen output means, An A / D converter for converting an externally input analog image and / or audio signal into a digital signal; An encoder for compressing and encoding the digital image and / or the audio signal converted by the A / D converter; An HDD for storing the digital image and / or audio data encoded by the encoder; A second decoder for decoding the encoded digital picture and / or voice data stored in the HDD; Hard disk drive integrated DVD playback device further comprises an external input signal storage and playback module comprising. A decoder that reads and decodes an encoded digital picture and / or audio data recorded on a digital versatile disc (DVD), and converts the digital picture and / or audio signal, which is decoded by the decoder, into an analog signal. In the DVD player comprising a DVD playback module having a D / A converter for converting the output through the screen output means, An A / D converter for converting an externally input analog image and / or audio signal into a digital signal; An encoder for compressing and encoding the digital image and / or audio signal converted by the A / D converter; An HDD for storing the digital image and / or audio data encoded by the encoder; A second decoder for decoding the encoded digital picture and / or voice data stored in the HDD; A second D / A converter for converting the digital picture and / or audio signal decoded by the second decoder into an analog signal; Hard disk drive integrated DVD playback device further comprises an external input signal storage and playback module comprising.