CN1758729A

CN1758729A - Voice changing device of distial TV and its method

Info

Publication number: CN1758729A
Application number: CNA2004100505591A
Authority: CN
Inventors: 李东翼
Original assignee: LG Electronics Shenyang Inc
Current assignee: LG Electronics Nanjing Plasma Co Ltd
Priority date: 2004-10-09
Filing date: 2004-10-09
Publication date: 2006-04-12
Anticipated expiration: 2024-10-09
Also published as: CN100388769C

Abstract

A sound converting device of digital TV set consists of digital TV set with tuner and signal separator, sound signal processor for processing sound signal separated out by said separator to let it be outputted through loudspeaker, sound converter for extracting sound signal separated by said separator and for editing it to be sound desired by user, storage for storing image and sound separated out by signal separator and sound edited by sound separator, controller for controlling procedure of processing edited sound being converted by sound convert with signal processor and then outputting it or storing it storage according to command inputted by user.

Description

The sound mapping devices and methods therefor of digital television

Technical field

The present invention relates to a kind of sound mapping devices and methods therefor of digital television, especially relate to a kind of sound that the broadcasting station can be sent by the arbitrary sound mapping devices and methods therefor of handling the digital television of back output of user's interest.

Background technology

Recently, along with the fast development of digital broadcasting, the broadcasting of high image quality/high tone quality broadcasting such as ripple/cable via satellite/on the ground.With in the past simulated television relatively, digital broadcasting has many advantages, except that its high image quality, high tone quality, can also provide varied Additional Services.

Such digital broadcasting is to utilize video/audio compression method (MPEG-2, AC-3), the A/V of compression high image quality/high tone quality (audiovisual materials-audio-video), and via satellite/ground ripple/cable, be sent in face of each user with the QPSK/VSB/QAM transfer approach, so provide diversified service a channel.

In addition, along with the development of digital television, the method for many pictures of manuscript again and audio signal digit appears.

Below, be described as follows with reference to the formation of accompanying drawing the ordinary numbers television set:

Fig. 1 is the structured flowchart of ordinary numbers television set.

The ordinary numbers television set as shown in Figure 1, it is made of following several parts: the tuner 11 of channel selection from the broadcast singal that antenna receives; The demultiplexer 12 of separate picture signal, voice signal and additional information in the broadcast singal of from tuner 11, receiving; The key-to-disk 17 that user's input command requires; According to user's order request of key-to-disk 17 inputs, the controller 18 of output corresponding control signal; According to the control signal of controller 18, processing signals separator 12 isolated picture signals, the image-signal processor 13 that on display 14, shows; According to the control signal of controller 18, processing signals separator 12 isolated voice signals, and pass through the audio signal processor 15 that loudspeaker 16 is exported; Store the memory 19 of various signals.

Method of work to the ordinary numbers television set of above-mentioned formation is described as follows:

After key-to-disk 17 input open command, the channel that utilizes tuner 11 to select users to require at this moment with the broadcast singal of the selected channel received, is separated into image, sound and additional information after being input to demultiplexer 12.

Isolated picture signal is input to image-signal processor 13, is processed into the signal that can show at display 14.Isolated voice signal is input to audio signal processor 15, and being processed into can be by the signal of loudspeaker 16 outputs.

And controller 18 is the user's order requests according to key-to-disk 17 inputs, the output corresponding control signal.Various information and all additional informations that memory 19 storage users require.

As mentioned above, the ordinary numbers television set, just the sound that the broadcasting station is sended over merely is sent to loudspeaker, does not consider user's hobby fully, and therefore, the problem that this direct voice output exists is to cause being unsatisfied with of some user.

Summary of the invention

The present invention develops for the problem that solves above-mentioned existence.The sound mapping devices and methods therefor that provides behind a kind of sound mapping that the broadcasting station can be sent with the digital television of the hobby that satisfies the user is provided.

The sound mapping device of digital television of the present invention, the sound mapping device that promptly possesses the digital television of tuner, demultiplexer, be made of following part: the isolated voice signal of processing signals separator makes it can be by the audio signal processor of loudspeaker output; According to user's hobby, extract the isolated voice signal of demultiplexer, its conversion is compiled the sound convertor that is fit to own interest; For the isolated image of storage signal separator, sound reach from the memory of editor's sound of sound convertor inediting one-tenth; According to the order request of user's input, with editor's sound of sound convertor conversion, after signal processor processes, export or store into again in the memory, the controller of control said process.

Described sound convertor is made of following part: music categories and according to the database of the melody signal data base system of this kind; With the image of storing in the memory, the mpeg decoder of audio signal decoding; From mpeg decoder, only extract the sound sampling observation device of the voice signal of decoding; Inspect sound by random samples voice signal that device is inspected by random samples out, by textual form stored text memory; With the voice signal of text memory storage, output to the configurator of Sound Processor Unit after with configurations such as dialect information that is stored in database and melody according to user's requirement; With the editor's voice signal that is configured in the configurator, according to user's requirement coding and be stored into mpeg encoder in the memory.

The sound mapping method of digital television of the present invention, the sound mapping method that promptly possesses the digital television of memory, sound convertor and audio signal processor, be made up of the following stage: the user imports open command and exports the picture signal that receives and the stage of voice signal; When the user selects a sound edit pattern, by sound convertor, in the signal that memory has been stored, inspect out acoustic information by random samples, by the condition edit phase of user's requirement; According to user's the stage that requires the acoustic information after the output edit.

Described condition edit phase by user's requirement is made up of the following stage: the stage of inspecting out acoustic information from memory in the canned data by random samples; With the acoustic information of inspecting by random samples out, press the stage that text (text) form stores; To the text (text) that has stored, optionally adopt musical form in database and melody thereof stage of adapted selectively.

Described text to having stored optionally adopts musical form in database and melody thereof stage of adapted selectively, is the stage of selecting the dialect oneself liked from the dialect of each department respectively; The stage that the melody that selection is liked oneself from music rhythm information such as jazz, pop music, folk rhyme comes adapted.

In the described stage that requires the acoustic information after the output edit, form by the following stage: handle acoustic information and direct stage of output behind the editor by Sound Processor Unit according to the user; Earlier editor's acoustic information is stored into memory, the stage of exporting again when importing reproduction command then.

Advantage of the present invention and effect are as follows:

The first, can therefore improve user's satisfaction according to user's the hobby editor's melody or the dialect lyrics.

The second, the voice data data base system is become textual form, so can be used as the instrument of language learning.

Behind the form apolegamy editor sound of liking by oneself, when broadcasting again,, can realize other style, the user is not fed up with though be the broadcasting of repetition.

Description of drawings

Fig. 1 is the formation block diagram of ordinary numbers television set.

Fig. 2 is the formation block diagram of the sound mapping device of digital television of the present invention.

Fig. 3 is the formation block diagram of the inner detailed structure of sound mapping device of Fig. 2.

Fig. 4 is the flow chart of digital television sound mapping method of the present invention.

Fig. 5 is the schematic diagram of sound-editing picture of the present invention.

Symbol description to the drawing major part:

11: tuner 12: demultiplexer

13: image processor 14: display

16: loudspeaker 17: key-to-disk

100: controller 200: memory

300: sound convertor 400: audio signal processor

Embodiment

Be described in more detail as follows with reference to accompanying drawing to the sound mapping devices and methods therefor of digital television of the present invention:

Fig. 2 is the formation block diagram of the sound mapping device of digital television of the present invention; Fig. 3 is the interior detailed formation block diagram of sound mapping device of Fig. 2; Fig. 4 is the flow chart of digital television sound mapping method of the present invention.

As shown in Figure 2, the sound mapping device of digital television of the present invention is made of following part: the tuner 11 of channel selection from the broadcast singal that antenna is received; The demultiplexer 12 of separate picture signal, voice signal and additional information in the broadcast singal of receiving by tuner 11; According to user's requirement, storage assembly separator 12 isolated picture signals, audio signal, and the memory 200 of additional information; Processing signals separator 12 isolated voice signals make it can be by the audio signal processor 400 of loudspeaker output; According to user's requirement,, compile the sound convertor 300 of the sound that is fit to own interest the acoustic information that is stored in the memory 200; According to the requirement order of user's input,, after audio signal processor 400 processing, control its output or make it be stored into the controller 100 of memory 200 again editor's sound of conversion in the sound convertor 300; Processing signals separator 12 isolated picture signals make the image-signal processor 13 that it can show on display 14.

Memory 200 is internal memory or external memory etc. when in digital television, is hard disk (HDD) in the time of PVR.

Sound convertor 300 is made of following part; Dialect information and melodic information are transformed into the database 305 that data base system also stores; The audio signal mpeg decoder 301 of decoding to storage in the memory 200; From mpeg decoder 301, only extract the sound sampling observation device 302 of decoded voice signal; The voice signal that sound sampling observation device is inspected by random samples out, press textual form stored text memory 303; With stored text in the text memory 303, according to the sound and the melody processor 304 of configuration reprocessings such as selected dialect information of user and melody; The sound-editing signal of handling by sound and melody processor 304, encode and be stored into mpeg encoder 306 in the memory 200.

The course of work to the sound mapping device of digital television of the present invention is described as follows:

After the user imported open command by key-to-disk 17, at this moment the channel that utilizes tuner 11 to select users to require received that the broadcast singal of selected channel is input to demultiplexer 12.The broadcast singal that is input to demultiplexer 12 is separated into image, audio frequency and additional information, and these signals are stored into memory 200 according to the control signal of controller 100.In addition, isolated picture signal is handled the back with picture signal and is shown by display 14 according to the control signal of controller 100 in the demultiplexer 12 in image processor 13.

Isolated audio signal in the demultiplexer 12 is play by loudspeaker 16 in Sound Processor Unit 400 after treatment.

But, when wanting to carry out sound-editing as the user, then sound convertor 300 is the audio signal that is stored in the memory 200, by after MPEG decoder 301 decoding through sound sampling observation device 302 sampling observations line branch of speaking, the voice signal of being inspected by random samples out is stored in the text holder 303 after text (text) is changed.

Then, sound and melody processor 304 with reference to the dialect information and the melodic information that have been stored in the database 305, are selected dialect and the melody oneself liked, adopt corresponding text to handle to selected dialect and melody.

At this moment, above-mentioned dialect information as shown in Figure 5, but the base area zone properties is selected areas such as Jiang Yuandao, North Kyongsang, South Kyongsang, North Cholla, South Cholla, Jizhou Island, North Chungchong, South Chungchong, Gyeonggi respectively, melodic information can be selected from the melody of musical forms such as jazz, pop music, folk rhyme according to user's hobby.

On the other hand, concerning PVR, memory 200 is exactly external memory storage (HDD).By its store images and audio-frequency information, store editor's sound of selecting conversion according to the user by sound convertor 300, so that reset.

As by Korea S's national conditions, there are multiple dialects such as Jiang Yuandao, celebrating Shang Dao, Quan Luodao, Gyeonggi, loyalty are cleaned the street, Jizhou Island, so the situation of different terms often takes place same word is used by the area.The user sounds pleasing to the ear for me, if adopt dialect in advance, the word of necessity is matched with dialect, can export in real time.

With reference to Fig. 4 the digital television sound mapping method of the present invention of above-mentioned formation is described as follows:

(the S101～S102), judge then whether the user has selected sound-editing menu (S103) of exportable sound of receiving and image when at first the user imports open command.Then, extract the acoustic information that stored in the memory out and, sound and melody treatment conditions (S104～S105), then, judge whether the user is ready to export (S106) that the acoustic information person of being used in combination who is transformed into text is liked its textization.

Wish output according to judged result (S106) as the user, then the voice signal that receives and editor's sound of converter conversion are according to condition matched, and export (S107) by loudspeaker.

Then judge whether to remove sound-editing pattern (S108).

Import shutdown command as the user, then finish (S109).

On the other hand, judged result (S106) is not wished output as the user, then by being stored in the memory (HDD) (S110) behind the mpeg encoder coding.

Then, judge user's output (S111) of whether being ready to reset.

Then, according to judged result (S111), wish to reset as the user, then with the editor's voice output (S112) that stores in the memory.

As mentioned above, in developing into the process of digital television, information with image and audio frequency occurs and become the digitlization fresh processed the whole bag of tricks of laying equal stress on, according to digital television sound mapping devices and methods therefor of the present invention, be to utilize wherein voice recognition device, change and store only sound partly being carried out text (text) in the audio signal that receives,, just be processed into sound and melody by musical note according to the hobby of user to music rhythm or various dialect intonation.This effect obviously is diversified.

Claims

1, a kind of sound mapping device of digital television, the sound mapping device that promptly possesses the digital television of tuner, demultiplexer, it is characterized in that, be made of following part: isolated voice signal in the processing signals separator makes it can be by the audio signal processor of loudspeaker output; According to user's requirement, inspect out isolated acoustic information in the demultiplexer by random samples, and compile the sound convertor of the sound of oneself liking; The memory of editor's sound of having edited in the isolated image of storage assembly separator, sound and the sound convertor; According to the requirement order of user's input, editor's sound of conversion in the control sound convertor is by exporting or store into the controller of memory after the Sound Processor Unit processing.

According to the sound mapping device of the described digital television of claim 1, it is characterized in that 2, described sound convertor is to be made of following part: the database of dialect information and melodic information data base system; To the image of storing in the memory, the mpeg decoder of audio signal decoding; From the audio signal that mpeg decoder solves, only extract the sound sampling observation device of acoustic information; The acoustic information that sound sampling observation device is inspected by random samples out, press textual form stored text memory; The voice signal of storing in the text memory, according to user's requirement with being stored in the signal processor that outputs to audio signal processor after musical form information in the database and the corresponding configurations such as melody; Editor's acoustic information of handling in the signal processor, according to user's requirement, control coding also is stored into mpeg encoder in the memory.

3, a kind of sound mapping method of digital television, the sound mapping device that promptly possesses the digital television of tuner, demultiplexer, it is characterized in that, form by the following stage: the image that output receives after the user imports open command and the stage of sound; When the user selected a sound edit pattern, by sound convertor, in the information that has stored in memory, the sampling observation acoustic information was by the condition editor's of user's requirement stage; Export the stage of the acoustic information of having edited according to user's requirement.

4, according to the sound mapping method of the described digital television of claim 3, it is characterized in that the sound mapping method of the described digital television of editing according to user's requirement: be the stage of inspecting out acoustic information in the information that from memory, has stored by random samples; The information of inspecting by random samples is out carried out the stage of textization and storage; Stored text with had dialect in the database and melody stage of adapted selectively.

According to the sound mapping method of the described digital television of claim 4, it is characterized in that 5, described the other side mentions melody stage of adapted selectively, is the stage of selecting the dialect oneself liked from the dialect of each department respectively; The stage that the melody that selection is liked oneself from jazz, pop music, the various music rhythm information of folk rhyme comes adapted.

6, according to the sound mapping method of claim 3 digital television, it is characterized in that, the stage of the acoustic information that described requirement output according to the user has been edited: be the acoustic information that will edit, after the audio signal processor processing signals, direct Shu Chu stage; After the acoustic information of having edited is stored into memory, when the input reproduction command, Shu Chu stage again.