CN107424617A - A kind of multimedia-data procession device and method - Google Patents
A kind of multimedia-data procession device and method Download PDFInfo
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- CN107424617A CN107424617A CN201710400269.2A CN201710400269A CN107424617A CN 107424617 A CN107424617 A CN 107424617A CN 201710400269 A CN201710400269 A CN 201710400269A CN 107424617 A CN107424617 A CN 107424617A
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- 238000012545 processing Methods 0.000 claims abstract description 109
- 230000005236 sound signal Effects 0.000 claims abstract description 60
- 230000008569 process Effects 0.000 claims abstract description 46
- 238000005516 engineering process Methods 0.000 claims description 14
- 230000006870 function Effects 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000003672 processing method Methods 0.000 claims description 10
- 230000008054 signal transmission Effects 0.000 claims description 10
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L13/00—Speech synthesis; Text to speech systems
- G10L13/02—Methods for producing synthetic speech; Speech synthesisers
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/003—Changing voice quality, e.g. pitch or formants
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0272—Voice signal separating
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
- H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
Abstract
The invention discloses a kind of multimedia-data procession device and method, the equipment includes：Speech processing module, sound regard decoding process module and stereo process module；Speech processing module is used to handle voice signal, and the first obtained audio signal is input into stereo process module；Audio/video decoding processing module is used to carry out audio frequency and video separating treatment to audio and vision signal, and the second obtained audio signal is output into stereo process module；Stereo process module is used to carry out stereo process to the first audio signal and the second audio signal, and the audio signal obtained after stereo process is output into audio/video decoding processing module；Audio/video decoding processing module is additionally operable to, and is exported after the audio signal obtained after processing and vision signal are synthesized.Multimedia-data procession device and method of the present invention, improving audio delay causes the nonsynchronous phenomenon of Voice ＆ Video picture.
Description
Technical field
The present invention relates to MultiMedia Field, more particularly to a kind of multimedia-data procession device and method.
Background technology
As the horizontal raising of social life, people are more and more common to the demand of entertainment life.KTV rooms are gone to after work
Singing can loosen mood, alleviate pressure.With the rapid development of intelligent electronic device, increasing product starts possess house
Front yard amusement function, KTV boxes are also widely appeared in the life of domestic consumer therewith, and K song amusements are carried out at home for user
Activity is provided convenience condition.
In the prior art, a kind of KTV boxes for home entertaining are that K song application software is arranged in TV box
K is sung the audio, video data in application software by single chip processing module and decoded, will exported after decoding by face, TV box
Audio and microphone input sound mix after, then stereo set is transferred to by audio output port, it is defeated by stereo set
Go out sound, decoded video is then output to the display screens such as TV.But the sound sung at present by TV box to user K
Stereo set is respectively outputted to after the video data decoding of K songs application software and multimedia output is set in frequency evidence and KTV boxes
Standby method, the problem of human auditory system relative video display delayed is obvious be present, the experience that can not be reached up to KTV site surroundings is imitated
Fruit.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, there is provided a kind of multi-medium data
Processing equipment and method.
The technical proposal for solving the technical problem of the invention is as follows：
In a first aspect, the present invention provides a kind of multimedia-data procession equipment, including：Speech processing module, sound regard decoding
Processing module and stereo process module；
The speech processing module and the audio/video decoding processing module are connected with the stereo process module respectively, institute
State speech processing module to be used to handle voice signal, and the first audio signal obtained after processing is input to the stereo process
Module；The audio/video decoding processing module is used to carry out audio frequency and video separating treatment to the audio and vision signal that receive, and
The second audio signal obtained after processing is output to the stereo process module；
The stereo process module is used to carry out audio mixing adjustment to first audio signal and second audio signal
Processing, and the audio signal obtained after audio mixing alignment treatment is output to the audio/video decoding processing module；The audio frequency and video
Decoding process module is additionally operable to, by the audio signal obtained after the audio mixing alignment treatment with being obtained after audio frequency and video separating treatment
To vision signal synthesized after export.
Alternatively, the speech processing module includes voice receiving unit and the digital-to-analogue being connected with the voice receiving unit
Converting unit, the voice receiving unit are used to receive the voice signal of voice-input device input and exported to the number
Mould converting unit, the D/A conversion unit are used to the voice signal being converted to first audio signal.
Alternatively, the voice receiving unit includes superfrequency wireless receiving antenna, is set for receiving the phonetic entry
The voice signal of standby input.
Alternatively, the equipment also includes the projection video/audio function processing mould being connected with the audio/video decoding processing module
Block, the projection video/audio function processing module are used for, and pass through the wireless audio for inputting audio-visual input equipment with screen mirror image technology
And video signal transmission gives the audio/video decoding processing equipment.
Alternatively, the stereo process module is used for, and the high pitch of the voice signal is decayed, and to the voice
The bass of signal compensates.
Second aspect, the present invention also provide a kind of multimedia data processing method, including：
Speech processing module handles voice signal, and the first audio signal obtained after processing is input into stereo process mould
Block；
Audio/video decoding processing module carries out audio frequency and video separating treatment to the audio and vision signal that receive, and will processing
The second audio signal obtained afterwards is output to the stereo process module；
The stereo process module carries out audio mixing alignment treatment to first audio signal and second audio signal,
And the audio signal obtained after audio mixing alignment treatment is output to the audio/video decoding processing module；
The audio/video decoding processing module is by the audio signal obtained after the audio mixing alignment treatment and passes through audio frequency and video
The vision signal obtained after separating treatment exports after being synthesized.
Alternatively, the speech processing module includes voice receiving unit and the digital-to-analogue being connected with the voice receiving unit
Converting unit, the speech processing module processing voice signal include：
The voice receiving unit, which receives the voice signal of voice-input device input and exported to the digital-to-analogue, to be turned
Unit is changed, the voice signal is converted to first audio signal by the D/A conversion unit.
Alternatively, the voice receiving unit includes superfrequency wireless receiving antenna, and the voice receiving unit receives language
The voice signal of sound input equipment input includes：
The voice receiving unit receives what the voice-input device inputted by the superfrequency wireless receiving antenna
The voice signal.
Alternatively, the audio/video decoding processing module is carried out at audio frequency and video separation to the audio and vision signal that receive
Before reason, in addition to：Projection video/audio function processing module passes through the wireless sound for inputting audio-visual input equipment with screen mirror image technology
Frequency and video signal transmission give the audio/video decoding processing equipment.
Alternatively, the stereo process module carries out audio mixing tune to first audio signal and second audio signal
School is handled, including：The stereo process module is decayed the high pitch of the voice signal, and to the low of the voice signal
Sound compensates.
The present invention has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technical proposal
Understand, multimedia-data procession device and method provided in an embodiment of the present invention, user K is sung respectively by stereo process module
When the voice signal that inputs and the audio signals of KTV multimedia files carry out audio mixing alignment treatment, and by audio/video decoding at
Reason module exports after being synthesized to the audio signal and the vision signal of multimedia file that are obtained after audio mixing adjustment, so as to effectively
Improving audio delay causes the nonsynchronous phenomenon of Voice ＆ Video picture, optimizes KTV audio effects.Meanwhile using wireless same
The audio and video signal transmission that screen mirror image technology inputs audio-visual input equipment are handled to apparatus for processing multimedia data,
Without installing K song application programs in apparatus for processing multimedia data, user directly can select K songs by audio-visual input equipment
Multimedia file, it is easy to operation.
Brief description of the drawings
Fig. 1 is the circuit theory schematic diagram of apparatus for processing multimedia data embodiment of the present invention；
Fig. 2 is the application scenarios schematic diagram of apparatus for processing multimedia data embodiment of the present invention；
Fig. 3 is the schematic flow sheet of multimedia data processing method embodiment of the present invention.
Embodiment
To make the objects, technical solutions and advantages of the present invention clearer, clear and definite, develop simultaneously embodiment pair referring to the drawings
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Fig. 1 is the circuit theory schematic diagram of apparatus for processing multimedia data embodiment of the present invention.
Fig. 1 is referred to, apparatus for processing multimedia data of the embodiment of the present invention includes speech processing module 10, and sound is regarded at decoding
Manage module 30 and stereo process module 40；
The speech processing module 10 and the audio/video decoding processing module 30 respectively with the stereo process module 40
Connection, the speech processing module 10 is used to handle voice signal, and the first audio signal obtained after processing is input into institute
State stereo process module 40；The audio/video decoding processing module 30 is used to regard audio and vision signal the progress sound received
Frequency separating treatment, and the second audio signal obtained after processing is output to the stereo process module 40；
The stereo process module 40 is used to carry out audio mixing tune to first audio signal and second audio signal
School is handled, and the audio signal obtained after audio mixing alignment treatment is output into the audio/video decoding processing module 30；The sound
Video decoding process module 30 is additionally operable to, and the audio signal obtained after the audio mixing alignment treatment is separated into place with by audio frequency and video
The vision signal obtained after reason is synthesized, and is output to multimedia output apparatus.
Fig. 2 is the application scenarios schematic diagram of apparatus for processing multimedia data embodiment of the present invention.
Refer to Fig. 2, in use, apparatus for processing multimedia data provided in an embodiment of the present invention 100 respectively with it is audio-visual defeated
Enter equipment 200, voice-input device 300 and multimedia output apparatus 400 connect.Specifically, the audio-visual input equipment 200 can
Think intelligent terminal, such as smart mobile phone, iPAD etc..K song application software is installed in the audio-visual input equipment 200, or
Webpage can be sung by network access K, user can need the K played to sing more matchmakers by the audio-visual selection of input equipment 200
Body file.The voice-input device 300 can be microphone, and user can input K songs by the voice-input device 300
Voice signal.The multimedia output apparatus 400 is television set or projecting apparatus, for exporting K song videos and audio.It is described more
Media data processing device 100 can by data wire or wireless network respectively with the audio-visual input equipment 200 and voice
Input equipment 300 connects, and passes through HDMI (High Definition Multimedia
Interface, abbreviation HDMI) data wire is connected with the multimedia output apparatus 400.
After user selects K song multimedia files, the K is sung by multimedia file by the audio-visual input equipment 200 and passed
The apparatus for processing multimedia data 100 is defeated by, and K is inputted by the voice-input device 300 and sings voice to more matchmakers
Volume data processing unit 100.The apparatus for processing multimedia data 100 receives K song multimedia files and K the song voice letter
After number, the voice signal and the audio of KTV multimedia files that are inputted when being sung respectively to user K by the stereo process module 40
Signal carries out audio mixing alignment treatment, and by the audio/video decoding processing module 30 to the audio signal that is obtained after audio mixing adjustment
And the vision signal of multimedia file is synthesized, then export to the multimedia output apparatus 400.
Further, the speech processing module 10 includes voice receiving unit 11 and connected with the voice receiving unit 11
The D/A conversion unit 12 connect, the voice receiving unit 11 is for receiving the voice signal of voice-input device input simultaneously
To the D/A conversion unit 12, the D/A conversion unit 12 is used to the voice signal being converted to first sound for output
Frequency signal.
Alternatively, K songs are carried out using wireless microphone for the ease of user, the voice receiving unit 11 is wireless receiving
Module, the voice signal inputted for receiving the voice-input device 300 by way of radio communication.Specifically, it is described
Voice receiving unit 11 includes superfrequency (Ultra High Frequency, abbreviation UHF) wireless receiving antenna, for receiving
State the voice signal that voice-input device 300 is inputted by the UHF transmission antennas of matching.
Further, the K to be played is selected to sing multimedia text by the audio-visual input equipment 200 for the ease of user
Part, the multimedia-data procession equipment also include at the projection video/audio function that is connected with the audio/video decoding processing module 30
Module 20 is managed, the projection video/audio function processing module 20 is used for, by the wireless same mirror image technology that shields by audio-visual input equipment 200
The audio and video signal transmission of input give the audio/video decoding processing module 30.
Specifically, the projection video/audio function processing module 20 includes memory cell and Wireless Fidelity (Wireless
Fidelity, abbreviation Wifi) communication unit, the projection video/audio function processor 20 can by Wifi technologies with it is described audio-visual defeated
Enter equipment 200 and realize wireless connection.User needs the K played to sing multimedia file by the audio-visual selection of input equipment 200,
The K is sung multimedia file and handled by wireless network transmissions to the projection video/audio function by the audio-visual input equipment 200
Module 20, the projection video/audio function processing module 20 can be by the wireless same mirror image technologies that shields by the audio-visual input equipment
The audio and video signal transmission of 200 inputs give the audio/video decoding processing module 30.Specifically, it is described wireless with screen mirror image
Technology can be Miracast, Airplay or DLNA etc..Multimedia file is sung to institute with screen mirror image technology input K using wireless
Multimedia-data procession equipment is stated, user can be facilitated to carry out K song operations by intelligent terminal at one's side at any time, improve family
The convenience of K song amusements.
Further, in order to improve the play sound effect of the voice signal of user's input, the stereo process module 40 is used for,
The high pitch of the voice signal is decayed, and the bass of the voice signal is compensated.
Apparatus for processing multimedia data provided in an embodiment of the present invention, when being sung respectively to user K by stereo process module
The voice signal of input and the audio signal of KTV multimedia files carry out audio mixing alignment treatment, and are handled by audio/video decoding
Module exports after being synthesized to the audio signal and the vision signal of multimedia file that are obtained after audio mixing adjustment, so as to effectively change
Kind audio delay causes the nonsynchronous phenomenon of Voice ＆ Video picture, optimizes KTV audio effects.Meanwhile using wireless with screen
The audio and video signal transmission that mirror image technology inputs audio-visual input equipment are handled to apparatus for processing multimedia data, nothing
K song application programs need to be installed in apparatus for processing multimedia data, it is more that user directly can select K to sing by audio-visual input equipment
Media file, it is easy to operation.
Fig. 3 is the schematic flow sheet of multimedia data processing method embodiment of the present invention.
Referring to Fig. 3, the embodiment of the present invention also provides a kind of multimedia data processing method, methods described includes：
S101：Speech processing module handles voice signal, and the first audio signal obtained after processing is input into audio mixing
Processing module；
S102：Audio/video decoding processing module carries out audio frequency and video separating treatment to the audio and vision signal that receive, and
The second audio signal obtained after processing is output to the stereo process module；
S103：The stereo process module carries out audio mixing adjustment to first audio signal and second audio signal
Processing, and the audio signal obtained after audio mixing alignment treatment is output to the audio/video decoding processing module；
S104：The audio/video decoding processing module is by the audio signal obtained after the audio mixing alignment treatment and passes through sound
The vision signal obtained after video separation processing exports after being synthesized.
Further, the speech processing module includes voice receiving unit and the number being connected with the voice receiving unit
Mould converting unit, the speech processing module processing voice signal include：
The voice receiving unit, which receives the voice signal of voice-input device input and exported to the digital-to-analogue, to be turned
Unit is changed, the voice signal is converted to first audio signal by the D/A conversion unit.
Further, the voice receiving unit includes superfrequency wireless receiving antenna, and the voice receiving unit receives
The voice signal of voice-input device input includes：
The voice receiving unit receives what the voice-input device inputted by the superfrequency wireless receiving antenna
The voice signal.
Further, the audio/video decoding processing module carries out audio frequency and video separation to the audio and vision signal that receive
Before processing, in addition to：Projection video/audio function processing module is inputted audio-visual input equipment by wireless same screen mirror image technology
Audio and video signal transmission give the audio/video decoding processing equipment.
Further, the stereo process module carries out audio mixing to first audio signal and second audio signal
Alignment treatment, including：The stereo process module is decayed the high pitch of the voice signal, and to the voice signal
Bass compensates.
Multimedia data processing method provided in an embodiment of the present invention, when being sung respectively to user K by stereo process module
The voice signal of input and the audio signal of KTV multimedia files carry out audio mixing alignment treatment, and are handled by audio/video decoding
Module exports after being synthesized to the audio signal and the vision signal of multimedia file that are obtained after audio mixing adjustment, so as to effectively change
Kind audio delay causes the nonsynchronous phenomenon of Voice ＆ Video picture, optimizes KTV audio effects.Meanwhile using wireless with screen
The audio and video signal transmission that mirror image technology inputs audio-visual input equipment are handled to apparatus for processing multimedia data, nothing
K song application programs need to be installed in apparatus for processing multimedia data, it is more that user directly can select K to sing by audio-visual input equipment
Media file, it is easy to operation.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (10)
- A kind of 1. multimedia-data procession equipment, it is characterised in that including：Speech processing module, sound regard decoding process module and Stereo process module；The speech processing module and the audio/video decoding processing module are connected with the stereo process module respectively；Institute's predicate Sound processing module is used to handle voice signal, and the first audio signal obtained after processing is input into the stereo process mould Block；The audio/video decoding processing module is used to carry out the audio and vision signal that receive audio frequency and video separating treatment, and will The second audio signal obtained after processing is output to the stereo process module；The stereo process module is used to carry out audio mixing alignment treatment to first audio signal and second audio signal, And the audio signal obtained after audio mixing alignment treatment is output to the audio/video decoding processing module；At the audio/video decoding Reason module is additionally operable to, and the audio signal obtained after the audio mixing alignment treatment is regarded with what is obtained after audio frequency and video separating treatment Frequency signal exports after being synthesized.
- 2. multimedia-data procession equipment according to claim 1, it is characterised in that the speech processing module includes language Sound receiving unit and the D/A conversion unit being connected with the voice receiving unit, the voice receiving unit are used to receive voice The voice signal of input equipment input, which is simultaneously exported to the D/A conversion unit, the D/A conversion unit, to be used for by described in Voice signal is converted to first audio signal.
- 3. multimedia-data procession equipment according to claim 2, it is characterised in that the voice receiving unit includes spy High frequency wireless receiving antenna, for receiving the voice signal of the voice-input device input.
- 4. multimedia-data procession equipment according to claim 1, it is characterised in that also include and the audio/video decoding The projection video/audio function processing module of processing module connection, the projection video/audio function processing module is used for, by wireless with screen The audio and video signal transmission that mirror image technology inputs audio-visual input equipment give the audio/video decoding processing equipment.
- 5. the multimedia-data procession equipment according to claim 1-3, it is characterised in that the stereo process module is used In the high pitch of the voice signal being decayed, and the bass of the voice signal is compensated.
- A kind of 6. multimedia data processing method, it is characterised in that including：Speech processing module handles voice signal, and the first audio signal obtained after processing is input into stereo process module；Audio/video decoding processing module carries out audio frequency and video separating treatment to the audio and vision signal that receive, and will be obtained after processing To the second audio signal be output to the stereo process module；The stereo process module carries out audio mixing alignment treatment to first audio signal and second audio signal, and will The audio signal obtained after audio mixing alignment treatment is output to the audio/video decoding processing module；The audio/video decoding processing module separates the audio signal obtained after the audio mixing alignment treatment with by audio frequency and video The vision signal obtained after processing exports after being synthesized.
- 7. multimedia data processing method according to claim 6, it is characterised in that the speech processing module includes language Sound receiving unit and the D/A conversion unit being connected with the voice receiving unit, the speech processing module handle voice signal Including：The voice receiving unit receives the voice signal of voice-input device input and exported to the digital-to-analogue conversion list The voice signal is converted to first audio signal by member, the D/A conversion unit.
- 8. multimedia data processing method according to claim 7, it is characterised in that the voice receiving unit includes spy High frequency wireless receiving antenna, the voice signal that the voice receiving unit receives voice-input device input include：The voice receiving unit is received described in the voice-input device input by the superfrequency wireless receiving antenna Voice signal.
- 9. multimedia data processing method according to claim 6, it is characterised in that the audio/video decoding processing module Before audio frequency and video separating treatment being carried out to the audio and vision signal received, in addition to：Projection video/audio function processing module is led to Cross the wireless audio for inputting audio-visual input equipment with screen mirror image technology and video signal transmission and give audio/video decoding processing Equipment.
- 10. the multimedia data processing method according to right wants any one of 6-9, it is characterised in that the stereo process mould Block carries out audio mixing alignment treatment to first audio signal and second audio signal, including：The stereo process module The high pitch of the voice signal is decayed, and the bass of the voice signal is compensated.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112399244A (en) * | 2019-08-18 | 2021-02-23 | 海信视像科技股份有限公司 | Sound processing method of display equipment and display equipment |
| CN113031903A (en) * | 2021-03-23 | 2021-06-25 | 青岛海信移动通信技术股份有限公司 | Electronic equipment and audio stream synthesis method thereof |
| WO2021164043A1 (en) * | 2020-02-20 | 2021-08-26 | 深圳市昊一源科技有限公司 | Audio and video transmission apparatus and audio and video transmission system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112399244A (en) * | 2019-08-18 | 2021-02-23 | 海信视像科技股份有限公司 | Sound processing method of display equipment and display equipment |
| WO2021164043A1 (en) * | 2020-02-20 | 2021-08-26 | 深圳市昊一源科技有限公司 | Audio and video transmission apparatus and audio and video transmission system |
| CN113031903A (en) * | 2021-03-23 | 2021-06-25 | 青岛海信移动通信技术股份有限公司 | Electronic equipment and audio stream synthesis method thereof |
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