CN1286316C - Device for synthesizing and editing audio and video based on TV set - Google Patents
Device for synthesizing and editing audio and video based on TV set Download PDFInfo
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- CN1286316C CN1286316C CN 200310119047 CN200310119047A CN1286316C CN 1286316 C CN1286316 C CN 1286316C CN 200310119047 CN200310119047 CN 200310119047 CN 200310119047 A CN200310119047 A CN 200310119047A CN 1286316 C CN1286316 C CN 1286316C
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Abstract
The present invention relates to a device for synthesizing and editing audio/video on the basis of a TV receiver, which comprises a device for processing audio signals and extracting musical instrument audio; an audio recognizing device for recognizing and extracting audio; a signal processing device of additional information for extracting lyric information; a mixing device for synthesizing audio signals received from external input devices, such as microphones, etc., and background music; a video mixing device for synthesizing video signals received from external input devices, such as camcorders, etc.; an audio and video output switch device for outputting generated audio/video signals or sending audio/video signals to external output devices. The information of music, audio of singers, music books, etc. is extracted for music broadcast according to received television broadcast signals, and then the extracted music information is output or stored in a storage medium after synthesized with audio and/or video signals which are input by using external input devices by users so as to be favorable to realize a song accompaniment system on the basis of a TV receiver.
Description
Technical field
The present invention relates to a kind of based on television broadcasting, in television receiver to the Voice ﹠ Video signal can synthesize editor device.For example, in the television broadcasting signal that receives, music broadcast is extracted the information of music, chanteur's sound, music score etc., again with the music information of this extraction, utilize after audio frequency that external input device imports and/or vision signal synthesized with the user, export or deposit in the synthetic editing device of a kind of Voice ﹠ Video in the medium based on television broadcasting.
Background technology
Up to the present, the basic function of TV-set broadcasting receiver is the Voice ﹠ Video signal that receives by wired or wireless broadcast service supplier (broadcasting station usually), then by loud speaker output, and shows.In recent years, based on multimedia technology, released the television receiver that can be connected to the internet and considered the television receiver of multiple medium and customer requirements with other.But, most ordinary television receiver, just the broadcast singal of the selected channel of user is exported by loud speaker and picture, a kind of instrument can not be provided, so that allow the user to relevant broadcasted content (received broadcast message), process or edit such as Voice ﹠ Video signal to it.
For instance, observe the situation of music broadcast channel below.
By the sectionalization and the specialization of broadcast program, many music dedicated broadcast channels are performing on the stage.Usually, people are when audiovisual music dedicated broadcast channel, and the somebody merely goes to carry out Music Appreciation, but some people and then sings singer's body action and takes action, and perhaps the melody by music carries out body action, and what have also will and then sing.The general user also follows performance or and then accompanies also a lot when singing beyond the common chance of contact music.It is quite a few when for example, the dedicated music accompaniment facility of utilization as the singing-hall sung.In addition, come download music files by internet and various wired and wireless communication services, the situation of carrying out amusement is quite a few.
In addition,,, the general user increased though contacting the chance of music along with increasing of music dedicated broadcast channel,, in fact for contacting music by medium, major part all rests on the degree of passive Music Appreciation.
But, utilize dedicated music accompaniment facility to carry out amusement sometimes more energetically as the singing-hall.But under this situation of utilizing dedicated music accompaniment facility, most of owing to be subjected to the restriction of the memory capacity of medium, background frame almost can not reflect the atmosphere of this song, type, characteristic etc.; Major part will be broadcasted with the irrelevant image of music picture as a setting.In addition, special musical background equipment since its be provided with and operating cost not low, financial burden is big, therefore needing to seek is not family, can carry out place (singing-hall) that dedicated music accompaniment facility serves can.So exist very inconvenient problem.
Fig. 1 is the block diagram of the TV-set broadcasting receiver of common dual tuner.The TV-set broadcasting receiver of dual tuner is made of the input unit and the output device that can carry out switch respectively.As shown in Figure 2, traditional dual tuner TV-set broadcasting receiver is made of following several sections, is provided with first tuner (101) of the broadcast singal channel that is used for receiving the antenna (101a) of RF (radio frequency) or VOD (video on demand) service signal and is used for selecting receiving from antenna that is:; Be provided with the first Audio Signal Processing portion 102 that is used for handling the audio signal of chosen broadcast television signal in first tuner (101); Be provided with the first vision signal handling part 103 that is used for handling the vision signal of chosen broadcast television signal in first tuner (101); Be provided with the additional signal handling part 104 that is used for handling the additional signal of chosen broadcast television signal in first tuner (101); Be provided with second tuner 105 that is used for selecting microphone (MIC) or video camera external input device audio/video signals such as (CAM); Be provided with the second Audio Signal Processing portion 106 that is used for handling by the audio signal of second tuner, 105 outputs; Be provided with the second vision signal handling part 107 that is used for handling by the vision signal of second tuner, 105 outputs; Be provided with and be used for controlling that additional information is handled and the switch audio/video signal is exported, and the microcomputer 108 that video mix is controlled; Be provided with the control that receives microcomputer 108, the video mix portion 109 that the outputting video signal of the second vision signal handling part 107 is synthesized; Be provided with the video output switch portion 110 of the output of the output that is used for selecting the first vision signal handling part 103 or video mix portion 109; Be provided with the display part 111 that is used for showing the vision signal of selecting by video output switch portion 110; Be provided with the audio frequency output switch portion 112 of the output of the output that is used for selecting the first Audio Signal Processing portion 102 or the second Audio Signal Processing portion 106; Be provided with the loud speaker 113 that is used for exporting the audio signal of selecting by audio frequency output switch portion 112; Be provided with and export memory device that the selected Voice ﹠ Video signal of switch portion stores or A/V (audio/video) the memory device portion 114 that forms by medium by Voice ﹠ Video.
Below, with reference to Fig. 1, the course of work of TV-set broadcasting receiver with said structure is described.When receiving television broadcasting, receive the RF signal by antenna 101a, and select broadcasting channel by first tuner 101, wherein audio signal is provided to the first Audio Signal Processing portion 102, and vision signal is provided to the first vision signal handling part 103.In addition, when accepting internet or VOD service and waiting, signal is provided to the Voice ﹠ Video signal processing part through tuner accordingly by wired or wireless.In addition, if television broadcasting signal carries out the additional information service, corresponding additional information KBPS (kilobits per second) or EPG so, to be provided to additional information signal handling part 104, extract and understand the various additional informations that are included in the television broadcasting signal then, and be provided to microcomputer 108.
The first Audio Signal Processing portion 102 exports after going to handle the audio signal that is broadcasted channel.Audio Signal Processing means the amplification of audio signal usually, noise removing, demodulation, power amplification, stereo separation, the multiple processing of sound etc.
The first vision signal handling part 103 is exported after going to handle the vision signal that is broadcasted channel.Vision signal is handled, and means the amplification of vision signal usually, noise removing, demodulation, colour correction etc., a series of process till when the broadcast video signal of selected channel is finally shown.
In addition, the audio/video signal from microphone (MIC) or the reception of video camera external equipments such as (Camcorder) will be input to the second Audio Signal Processing portion 106 and the second vision signal handling part 107 respectively by second tuner 105; Each signal processing part 106 and 107 with corresponding audio signal and vision signal, as said in the above, is exported after handling respectively.The vision signal that obtains handling in the second vision signal handling part 107 is input to video mix portion 109, obtains suitable video and exports after synthetic.
In addition, obtain audio frequency or the vision signal that switch is selected in output one side, can also be provided to VCR (video cassette recorder), external audio/video storage medium (perhaps equipment) 114 of PVR (personal video recorder) and HDD (hard disk drive) etc. obtain storage.
Until now illustrated, have the TV-set broadcasting receiver of dual tuner usually, its input unit and output device have the possible structure of switch respectively.When accepting television broadcasting, the RF signal obtains selecting via tuner channel from antenna, the signal of selected channel is communicated to the eye ear of looking the hearer by AV signal handling part and additional information KBPS (the Korean BroadcastProgram System of Korea S broadcast program system) or EPG (electronic programming directory information etc.) handling part again after tuner.In addition, the audio/video signal of output will be by other memory device as VCR or PVR, can be deposited into fixed medium.And, can also obtain the VOD service by internet or communication device, therefore have a kind of structure of audiovisual broadcast selectively.
But, this existing dual tuner TV-set broadcasting receiver and existing TV-set broadcasting receiver, when the audiovisual music broadcast, the music and the background frame that can only go to side, audiovisual broadcast radio station (server) to provide, be to look the hearer can't implement editor to corresponding music or background frame, synthetic, a system of operation.
Especially, because nonoptional leeway, look the hearer song and the background music (background of getting rid of song is played sound) that music broadcast can not be separated into the singer come audiovisual, so always will remove while audiovisual background music (performance sound) and singer's sound, perhaps can only go to abandon two situations of all wanting audiovisual.
In a word, can not provide with audiovisual people (user) outside the music broadcast that existing TV-set broadcasting receiver can only the audiovisual broadcast radio station provides is any instrument at center.
Get off to put in order if enlarge again, so existing broadcast television receiver is that the Voice ﹠ Video signal that the audiovisual broadcast radio station provides is a basic principle, he can not provide one by the user broadcasted content that the broadcasting station provides to be processed, perhaps edit according to oneself inclination or hobby, perhaps synthesize the basis of the content oneself liked of going to regenerate etc. by the Voice ﹠ Video signal that utilizes external equipment to obtain with.
Summary of the invention
The objective of the invention is in broadcast television receiver, to provide a kind of Voice ﹠ Video synthetic editing device based on television broadcasting, it will analyze the audio signal of the broadcasted content of selected channel, and a corresponding audio signal is separated into the several key elements that constitute this audio signal, then with each separated audio signal key element, with for example undertaken syntheticly by optional other audio frequency of user or vision signal, output is deposited into the operation of other medium etc.
Another object of the present invention is in broadcast television receiver, provide a kind of Voice ﹠ Video synthetic editing device based on television broadcasting, it is by the analysis to audio signal, from music, extract pure background music respectively, singer's sound, the information of lyrics music score etc., each information of utilizing these to be extracted, the user can edit, stores, the selection and the processing of output etc., thereby can realize the accompanying song system based on television receiver.
Another object of the present invention is in broadcast television receiver, provide a kind of Voice ﹠ Video synthetic editing device based on television broadcasting, it is by the analysis to audio signal, from music, extract pure background music respectively, singer's sound, the information of lyrics music score etc., according to user's selection each information that is extracted, output to the output device of loud speaker etc., perhaps be deposited into other memory device or medium, thereby can realize accompanying song system based on television receiver.
Also purpose of the present invention is in broadcast television receiver, to provide a kind of Voice ﹠ Video synthetic editing device based on television broadcasting, it will be by the analysis to audio signal, from music, extract pure background music respectively, singer's sound, the information of lyrics music score etc., and the information that will extract, synthesize output afterwards with audio frequency or vision signal that the external equipment that utilizes microphone or radio-cassette player etc. obtains and imported, perhaps be deposited into other memory device or medium, thereby can realize accompanying song system based on television receiver.
In order to achieve the above object, the present invention, promptly based on the synthetic editing device of the Voice ﹠ Video of television broadcasting, has the following structures feature, that is: be provided with from the broadcast singal of selected channel audio signal is separated into the several key elements that constitute this audio signal, and its audio essence of being familiar with is separated and the understanding device;
Be provided with each audio signal key element that after separating is familiar with, the synthesizer of being exported after synthesizing with audio frequency, video, audio frequency and a vision signal selectively from the external equipment input.
In the present invention, the audio signal key element is when being object with the music, will have following characteristics, separates and be familiar with singer's voice signal, background music signal, music score, the key element of the lyrics that is:; From the audio signal or the vision signal of external equipment input, with the background music signal that separates and be familiar with, music score, the key element of the lyrics is exported after synthesizing.
In addition, in order to achieve the above object, the present invention, promptly based on the synthetic editing device of the Voice ﹠ Video of television broadcasting, has the following structures feature, that is: be provided with in the music signal from be imported into television receiver, isolate singer's the sound and the sound/background music separator of his background music respectively; Being provided with from separated background music with the musical instrument sound is the music score generating apparatus that the basis generates music score; Be provided with the sound understanding device of the separated singer's sound of understanding; Be provided with singer's sound and music score that utilization is familiar with, generate the lyrics generating apparatus of the lyrics; The audio synthesizer that is provided with synthetic background music and after the audio signal of external equipment input, exports; Be provided with the vision signal that music score or the lyrics are followed the external equipment input and synthesize the video synthesizer of exporting afterwards.
Be provided with in order to generate the lyrics,, generate the device of happy general file by analysis to the height length of separated background musical instrument sound;
Be provided with voice signal,, eliminate after the pitch, carry out the device that sound understanding generates the lyrics by the music score that is extracted to separating.
Generate the device of the lyrics, also comprise, in the broadcast singal that obtains receiving,, generate the lyrics signal of OSD (screen display) based on the lyrics that additional information obtains providing.
Be provided with the audio signal and the original selecteed broadcast voice signal that are used for to being synthesized and select the audio frequency output switch apparatus of the line output of going forward side by side;
Be provided with the vision signal and the original selecteed broadcast video signal that are used for to being synthesized and select the video output switch device of the line output of going forward side by side.
As mentioned above, effect of the present invention is as follows:
The present invention by the analysis to audio signal, extracts background music in TV-set broadcasting receiver, singer's sound, and the information of song music score etc., and can store.In addition, by external input device, will with the audio frequency of looking the hearer that is transfused to and/or video information by synthetic, it is such to look the hero that the hearer becomes in the broadcast program seemingly, can go to see for oneself computer broadcasting.So, come to step a step forward on the angle of audiovisual television broadcasting from traditional spectators' position, looking the hearer will cooperate inclination of oneself or hobby can go to use neatly television broadcasting with more positive attitude.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is the block diagram of the TV-set broadcasting receiver of common dual tuner.
Fig. 2 is the present invention, promptly synthesizes a kind of example block diagram of editing device based on the Voice ﹠ Video of television broadcasting.
Fig. 3 is in the present invention, and promptly the Voice ﹠ Video based on television broadcasting synthesizes in a kind of example of editing device, is used for illustrating the block diagram that extracts the music broadcast information process.
Fig. 4 is in the present invention, and promptly the Voice ﹠ Video based on television broadcasting synthesizes in a kind of example of editing device, is used for illustrating the block diagram of output and external audio/video building-up process.
Main sequence number explanation in the accompanying drawing
201a: 201: the first tuners of antenna
202: Audio Signal Processing and 203: the first vision signal handling parts of musical instrument sound extracting part
204: sound understanding portion 205: just/the length judging part
206: additional information signal handling part 207:CPU (central processing unit)
Tuner 209 in 208: the second: Audio Signal Processing portion
210: the second vision signal handling parts 211: audio mix portion
212: video mix portion 213: video output switch portion
214: display part 215: audio frequency output switch portion
216: loud speaker 217:A/V memory device portion
Embodiment
Example 1
Fig. 2 is the present invention, promptly synthesizes the example block diagram of editing device based on the Voice ﹠ Video of television broadcasting.The present invention shown in figure 2 promptly based on the synthetic editing device of the Voice ﹠ Video of television broadcasting, is to be the situation that the accompanying song system is realized on the basis with the television receiver.
Promptly, with the music (music of selected broadcasting channel) that is input to television receiver is object, it is analyzed, in analyzed music signal key element, with background music, the lyrics or music score are exported after the Voice ﹠ Video signal that obtains importing with the external equipment that utilizes microphone or video camera etc. is synthesized, thereby realize the audio/video that audiovisual obtains synthesizing, the audio/video content that obtains synthesizing can also be deposited into the memory device (or medium) of VCR, PVR or HDD etc.
The present invention is based on the example of the synthetic editing device of Voice ﹠ Video of television broadcasting, constitute by following several sections, that is: be provided with by RF or VOD and serve the noise of eliminating selected channel broadcasting, and extract the Audio Signal Processing of background music and extract the musical instrument mixer; Be provided with and be used for being familiar with the sound understanding device that extracts sound; Be provided with the additional information signal processing dress that KBPS or EPG data extract lyrics information; Being provided with will be from the audio signal of external input device such as microphone reception, the audio mix device of following background music to synthesize; Be provided with on the music score that generates by CPU, remove the video mix device of the synthetic vision signal that receives from the external input device of video camera etc.; Be provided with the audio/video signal that output generates, perhaps be used for sending the output audio/video switch arrangement of audio/video signal to outside output device.
Below, with reference to Fig. 2, to the present invention, promptly the structure based on the example of the synthetic editing device of the Voice ﹠ Video of television broadcasting is described in detail.
Should be based on the synthetic editing device of the Voice ﹠ Video of television broadcasting, constitute by following several sections, that is: be provided with the antenna 201a and first tuner 201 that is used for the broadcast singal that receives by antenna is carried out channel selection that are used for receiving RF (or VOD service) signal; Be provided with the audio signal of the television broadcasting signal that obtains selecting from first tuner 201 is handled, and extract the Audio Signal Processing and the musical instrument sound extracting part 202 of background music from audio signal; Be provided with the first vision signal handling part 203 of the vision signal that is used for handling the television broadcasting signal that in first tuner 201, obtains selecting; Be provided with in the output signal of Audio Signal Processing and musical instrument sound extracting part 202, be used for being familiar with the sound understanding portion 204 of voice signal; Be provided with in the output signal of Audio Signal Processing and musical instrument sound extracting part 202, be used for judging the height/length judging part 205 of the low length of musical instrument pitch; Be provided with in the television broadcasting signal that from first tuner 201, obtains selecting, receive the additional information of KBPS or EPG etc., extract the additional information signal handling part 206 of lyrics information; Be provided with from the lyrics information of additional information signal handling part 206,, generate the music score line output of going forward side by side perhaps from the sound that obtains being familiar with and the height/length information of sound, and to the synthetic of audio/video and CPU207 that output is controlled; Be provided with second tuner 208 that is used for selecting the audio/video signal imported from the external input device of microphone (MIC) or video camera (CAM) etc.; Be provided with the Audio Signal Processing portion 209 that is used for handling from the audio signal of second tuner, 208 outputs; Be provided with the second vision signal handling part 210 that is used for handling from the vision signal of second tuner, 208 outputs; Be provided with the control that receives CPU207, to background music and the audio mix portion 211 that synthesizes from the external audio signal of Audio Signal Processing portion 209 outputs; Be provided with the control that receives CPU207, the video mix portion 212 that music score or the lyrics are synthesized with the outer video signal of the second vision signal handling part, 210 outputs; Be provided with the output that is used for selecting the first Audio Signal Processing portion 203, perhaps the defeated switch portion 213 of the video of the output of video mix portion 212; Be provided with the display part 214 that the vision signal selected by the defeated switch portion 213 of video obtains showing; Be provided with the output that is used for selecting Audio Signal Processing and musical instrument sound extracting part 202, perhaps the audio frequency of the output of audio mix portion 211 output switch portion 215; Be provided with the loud speaker that obtains exporting 216 of the audio signal of selecting by audio frequency output switch portion 215; Be provided with the memory device that the Voice ﹠ Video signal of selecting by Voice ﹠ Video output switch portion is stored, perhaps the A/V memory device portion 217 that constitutes by medium.
Fig. 3 is in the example of the present invention of Fig. 2, is used for to the analysis by the television broadcasting audio signal block diagram that the process of extraction music broadcast information describes; Fig. 4 is in the example of the present invention of Fig. 2, is used for to exporting the block diagram that processing procedure describes by synthesizing of television broadcasting audio signal and external input signal.In Fig. 3 and Fig. 4, to the inscape identical, carry out mark, and will omit explanation its structure with identical symbol with Fig. 2; In the present invention to Fig. 2, when promptly describing based on the action of the synthetic editing device of the Voice ﹠ Video of television broadcasting, with reference to Fig. 3, the extraction process to music broadcast information describes earlier; Then, with reference to Fig. 4, the television broadcasting audio signal is described with external input signal process synthetic in advance and output.
At first, describe with reference to Fig. 3.
The RF signal obtains accepting by antenna 201a, and obtains after the frequency-selecting by first tuner 201, and audio signal will be provided to Audio Signal Processing and musical instrument sound extracting part 202, and vision signal then is provided to the first vision signal handling part 203; In addition, be basis when obtaining internet or VOD service with wired and wireless telecommunications (letter), corresponding signal will be provided to the Voice ﹠ Video signal processing part through tuner.In addition, when television broadcasting signal carries out the additional information service, corresponding additional information (KBPS or EPG information) will be provided to additional information signal handling part 206, and extraction is also understood the additional information that is included in the television broadcasting signal, is provided to CPU207 then; In the present invention, when obtaining lyrics information as additional information, this lyrics information will obtain extracting and being understood, and be provided to CPU207 then.
Audio Signal Processing and musical instrument sound extracting part 202 are exported after handling the audio signal of selected broadcasting channel.At this moment music signal is carried out singer's the sound and the mask work of background music.Usually, the musical instrument sound is with the sound difference owing in frequency domain, forming the sonic-frequency band of the multiple that is equivalent to fundamental frequency, so if utilize this specific character to select suitable filter for use, so with the musical instrument sound as a setting music can separate.
The voice signal that obtains separating if control switch 204a is in conducting state, will be provided to sound understanding portion 204 so, and the musical instrument tone signal of separating will be provided to the height/length judging part 205 of sound.Control switch 204a is subjected to the control of CPU207, will be switched on or turn-off; If the additional information of KBPS or EPG data etc., carry the lyrics, owing to do not need to be familiar with sound, at this moment switch 204a is turn-offed so from the broadcasting station; If not this situation, will give conducting so.And separated singer's (singer) voice signal will be input to sound understanding portion 204; After the 204 understanding singers' of sound understanding portion the sound, be provided to CPU207; Just/and length judging part 205, low with analyzing the height of separated musical instrument sound, long, short, make a musical instrument (music score) digital interface file, be provided to CPU207 then.
Separated singer's voice signal will pass through the sound process of cognition (algorithm) again by after the music score elimination pitch that is extracted, and therefore can be familiar with for being a lyrics.By the lyrics be familiar with, music score etc., after will be in CPU207 obtaining generating with OSD, the audio/video building-up process that will narrate below will being provided to.The vision signal of 203 pairs of selected broadcast singals of the first vision signal handling part makes it be input to video output switch portion 213 after handling.
Below, with reference to Fig. 4, the process of synthesizing with the analyzed external input signal that utilizes audio signal information and export is described.
As illustrated in front, in CPU207, obtain the music score screen display osd signal that generates, the lyrics signal of perhaps being familiar with will be imported into video mix portion 212; In addition, for the synthetic output of Voice ﹠ Video, CPU207 will go to control audio output switch portion 215, video output switch portion 213, audio mix portion 211 and video mix portion 212.
Audio/video signal from the external input device of microphone (MIC) or video camera (CAM) etc. is imported will be imported into the Audio Signal Processing portion 209 and the second vision signal handling part 210 through second tuner 208; Each signal processing part 209 and 210 to corresponding audio signal and vision signal, after promptly outside input audio signal and outside incoming video signal are handled, will be input to audio mix portion 211 and video mix portion 212 respectively.
Synthetic audio signal will be exported switch portion 215 by audio frequency, output to loud speaker 216, perhaps be provided to VCR, and PVR, the External memory equipment 217 of HDD etc. obtain storage; Synthetic vision signal will output to display part 214 and obtain showing that perhaps be provided to VCR, PVR, the External memory equipment 217 of HDD etc. obtain storage by video output switch portion (213).And, in the present invention, owing to can import the video/audio of looking hearer itself, so in the process in front, synthetic by the music factor information that is extracted, one side can be seen the own apperance of singing in the matching background music on picture, one side can be carried out amusement; Can also cooperate the requirement of looking the hearer, with singer's sound, music score, the information of background music etc. and the video/audio that is synthesized output are deposited into the medium of VCR or HDD etc.
Example 2
The synthetic editing device of the accomplished in the present invention Voice ﹠ Video based on television broadcasting as mentioned above, not only can be realized a kind of accompanying song system, but also can be applicable to the serial except music broadcast, film, news etc.
Example under this situation, in Fig. 2, CPU207 will go to stop the work of sound understanding portion 204 and height/length judging part 205.In addition, go control of video output switch portion 213 to select the output of the first vision signal handling part 203, i.e. broadcast video signal (above-mentioned serial, film, news etc.).In addition, select the output of audio mix portion 211 by CPU207 control audio output switch portion 215.In this state, the voice signal that the user imports by microphone (MIC), by second tuner 208, Audio Signal Processing portion 209, audio mix portion 211, audio frequency output switch portion 215 is exported; Meanwhile, in selecteed broadcast singal, have only vision signal to obtain output by video output switch portion 213.Therefore, in broadcast video signal, user's sound will obtain output with the form of dubbing, so in film or serial, can dub the hero or the personage's that goes up on the stage sound with the sound of looking the hearer; In the broadcasted content of news etc., news is broadcasted to be reconstituted broadcast video content as looking the hearer.Certainly, the broadcasted content that reconstitutes that at this moment is output can utilize External memory equipment 217 to be deposited in the recording medium of appointment.
Claims (6)
1, the synthetic editing device of a kind of Voice ﹠ Video based on television receiver is characterized in that:
Be provided with from the broadcast singal of selected channel audio signal is separated into the several key elements that constitute this audio signal, and its audio essence of being familiar with is separated and the understanding device;
Be provided with each audio signal key element that after separating is familiar with, the synthesizer of being exported after synthesizing with audio frequency, video, audio frequency and a vision signal selectively from the external equipment input.
2, the synthetic editing device of the Voice ﹠ Video based on television receiver according to claim 1 is characterized in that: when the audio signal key element is object with the music,
Separate and be familiar with singer's voice signal, background music signal, music score, the key element of the lyrics;
From the audio signal or the vision signal of external equipment input, with the background music signal that separates and be familiar with, music score, the key element of the lyrics is exported after synthesizing.
3, the synthetic editing device of a kind of Voice ﹠ Video based on television receiver is characterized in that:
Be provided with in the music signal from be imported into television receiver, isolate singer's the sound and the sound/background music separator of his background music respectively;
Being provided with from separated background music with the musical instrument sound is the music score generating apparatus that the basis generates music score;
Be provided with the sound understanding device of the separated singer's sound of understanding;
Be provided with singer's sound and music score that utilization is familiar with, generate the lyrics generating apparatus of the lyrics;
The audio synthesizer that is provided with synthetic background music and after the audio signal of external equipment input, exports;
Be provided with the vision signal that music score or the lyrics are followed the external equipment input and synthesize the video synthesizer of exporting afterwards.
4, the synthetic editing device of the Voice ﹠ Video based on television receiver according to claim 3 is characterized in that:
Be provided with in order to generate the lyrics,, generate the device of music score file by analysis to the height length of separated background musical instrument sound;
Be provided with voice signal,, eliminate after the pitch, carry out the device that sound understanding generates the lyrics by the music score that is extracted to separating.
5, the synthetic editing device of the Voice ﹠ Video based on television receiver according to claim 3 is characterized in that: generate the device of the lyrics, also comprise
In the broadcast singal that obtains receiving,, generate the lyrics signal of OSD based on the lyrics that additional information obtains providing.
The synthetic editing device of 6 Voice ﹠ Videos based on television receiver according to claim 3 is characterized in that:
Be provided with the audio signal and the original selecteed broadcast voice signal that are used for to being synthesized and select the audio frequency output switch apparatus of the line output of going forward side by side;
Be provided with the vision signal and the original selecteed broadcast video signal that are used for to being synthesized and select the video output switch device of the line output of going forward side by side;
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| CN 200310119047 CN1286316C (en) | 2003-12-12 | 2003-12-12 | Device for synthesizing and editing audio and video based on TV set |
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| CN 200310119047 CN1286316C (en) | 2003-12-12 | 2003-12-12 | Device for synthesizing and editing audio and video based on TV set |
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| CN1286316C true CN1286316C (en) | 2006-11-22 |
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| CN101753940A (en) * | 2008-12-12 | 2010-06-23 | 康佳集团股份有限公司 | Television capable of shooting TV program |
| CN102186022B (en) * | 2011-04-19 | 2013-08-07 | 深圳创维－Rgb电子有限公司 | Audio/video editing method and device in television system |
| EP3637419A3 (en) * | 2012-11-29 | 2020-07-22 | SoundSight IP, LLC | Video headphones, system, platform, methods, apparatuses and media |
| CN107509106A (en) * | 2017-08-16 | 2017-12-22 | 腾讯音乐娱乐（深圳）有限公司 | Play the methods, devices and systems of audio |
| CN109361933B (en) * | 2018-11-13 | 2019-11-05 | 仲恺农业工程学院 | A kind of audio/video information processing method |
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