CN110853608A - Wireless karaoke system with cheating function and karaoke method - Google Patents
Wireless karaoke system with cheating function and karaoke method Download PDFInfo
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- CN110853608A CN110853608A CN201810863984.4A CN201810863984A CN110853608A CN 110853608 A CN110853608 A CN 110853608A CN 201810863984 A CN201810863984 A CN 201810863984A CN 110853608 A CN110853608 A CN 110853608A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000000694 effects Effects 0.000 claims description 21
- 230000005236 sound signal Effects 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000001934 delay Effects 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000017105 transposition Effects 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000513 principal component analysis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/36—Accompaniment arrangements
- G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/36—Accompaniment arrangements
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L13/00—Speech synthesis; Text to speech systems
- G10L13/02—Methods for producing synthetic speech; Speech synthesisers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/155—Musical effects
- G10H2210/245—Ensemble, i.e. adding one or more voices, also instrumental voices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Telephone Function (AREA)
Abstract
In order to overcome the defects of the prior art, the invention provides a wireless karaoke system with cheating function and a karaoke method.
Description
Technical Field
The invention belongs to the field of audio frequency, and particularly relates to a wireless karaoke system with cheating function and a karaoke method.
Background
Mobile terminals such as mobile phones and tablet computers are gradually popularized, network bandwidth is continuously improved, various karaoke software suitable for the mobile terminals are also used by more and more users, and the karaoke software gradually becomes a popular personal entertainment mode; some users can not follow the rhythm or easily run and tune when singing along with the musical accompaniment because of limited conditions of the users when performing the network K song, the effect of the K song works finally mixed is not good, and the use enthusiasm and the participation degree of the users are reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a wireless karaoke system with cheating function and a karaoke method.
The system comprises a Bluetooth audio device and a mobile terminal, wherein the Bluetooth audio device is connected with the mobile terminal through Bluetooth; is characterized in that the Bluetooth audio equipment receives a song signal M containing original singing from a two-channel stereo system of the mobile terminal and sends the song signal M to a first mixer; the Bluetooth audio equipment comprises a microphone for picking up a singing voice signal V of a user; the device comprises a sound effect unit, a control unit and a processing unit, wherein the sound effect unit is used for receiving a human voice signal V from a microphone and carrying out sound effect processing on the human voice signal V; the sound effect unit sends the processed human sound signal V' to a first mixer; the first mixer is used for mixing the song signal M with the processed human voice signal V ' to obtain a first audio mixing signal M + V ' and sending the first audio mixing signal M + V ' to the loudspeaker unit; a speaker unit playing a signal to a user; the Bluetooth audio equipment simultaneously sends a song signal M containing original singing to an original singing elimination unit, and the unit is used for eliminating the original singing sound in the song signal M and sending a song signal M' with the original singing elimination to a second mixing unit; the sound effect unit simultaneously sends the processed human voice signal V ' to the time delay unit, the time delay unit delays the processed human voice signal V ' so that the human voice signal V ' is synchronous with the song signal M ' eliminating original singing, and the delayed human voice signal V ' is further sent to the second mixing unit; a second mixing unit which mixes the song signal M 'without original singing processing and the processed human voice signal V' into a second sound mixing signal M '+ V'; the Bluetooth audio equipment returns the second mixed sound signal M '+ V' to the mobile terminal, and the mobile terminal performs subsequent processing.
The processing of the sound effect unit on the human sound signal V comprises adding reverberation and tone changing; the subsequent processing of the mobile terminal includes recording the mixed sound signal or performing live broadcasting through the network.
Further, the downlink transmission of the bluetooth connection between the bluetooth audio device and the mobile terminal uses the A2DP channel, and the uplink transmission returned to the mobile terminal uses the bluetooth RFCOMM channel.
The mobile terminal comprises a mobile phone, a tablet computer or a laptop computer; the Bluetooth audio device comprises a Bluetooth microphone headset or a Bluetooth microphone with a headset.
Meanwhile, a wireless karaoke method with cheating function is provided, which comprises the following steps: establishing Bluetooth connection between the Bluetooth audio equipment and the mobile terminal; the method comprises the steps that Bluetooth audio equipment receives a song signal M containing original singing in a two-channel stereo system from a mobile terminal; picking up a singing voice signal V of a user; carrying out sound effect processing on the human voice signal V; mixing the song signal M with the processed human voice signal V 'to obtain a first audio mixing signal M + V'; playing the first audio mixing signal M + V' to a user; removing original singing sound in the song signal M containing the original singing; delaying the processed voice signal V ' to synchronize the voice signal V ' with the original song signal M ' eliminated; mixing the song signal M 'without original singing processing and the processed human voice signal V' into a second sound mixing signal M '+ V'; and returning the second mixed sound signal M '+ V' to the mobile terminal, and carrying out subsequent processing by the mobile terminal.
Wherein, the sound effect processing to the human sound signal V comprises adding reverberation and tone modification; the subsequent processing of the mobile terminal includes recording the mixed sound signal or performing live broadcasting through the network.
Further, the downlink transmission of the bluetooth connection between the bluetooth audio device and the mobile terminal uses the A2DP channel, and the uplink transmission returned to the mobile terminal uses the bluetooth RFCOMM channel.
The mobile terminal comprises a mobile phone, a tablet computer or a laptop computer; the Bluetooth audio device comprises a Bluetooth microphone headset or a Bluetooth microphone with a headset.
Drawings
FIG. 1 is a signal flow and schematic diagram of a wireless karaoke system and a karaoke method with cheating function according to the present invention
Detailed Description
With reference to fig. 1, the wireless karaoke system with cheating function of the present invention is described in detail, the system includes a bluetooth audio device 1 and a mobile terminal 2, and the bluetooth audio device 1 and the mobile terminal 2 are connected via bluetooth; the Bluetooth audio equipment 1 receives a song signal M containing original singing in a two-channel stereo system from the mobile terminal 2 and sends the song signal M to the first mixer 13; the bluetooth audio device 1 comprises a microphone 11 for picking up a vocal signal V of a singing person of a user; an audio effect unit 12, which receives the human voice signal V from the microphone 11 and performs audio effect processing on the human voice signal V, including but not limited to adding reverberation, changing human voice tone, etc.; the sound effect unit 12 also sends the processed human sound signal V' to the first mixer 13; a first mixer 13 for mixing the song signal M with the processed human voice signal V ' to obtain a first audio mixing signal M + V ', and sending the audio mixing signal M + V ' to the speaker unit 14; the loudspeaker unit 14 plays signals to a user, and the user can hear both the original song and the follow singing of the user, so that the follow singing is easier and the performance is more excellent; the bluetooth audio device 1 also sends the song signal M containing the original singing to the original singing eliminating unit 15, which is used for eliminating the original singing in the song signal M, and the method for eliminating the human voice can use a general processing mode of subtracting the left and right sound channels, or transform the left and right sound channel signals of the music signal M to a frequency domain first, then use a Principal Component Analysis (PCA) method to solve the human voice and the stereo music first, and then eliminate the human voice, and the above methods can be realized by those skilled in the art and are not described again; the original singing eliminating unit 15 is used for sending the song signal M' with the original singing eliminated to the second mixing unit 16; the sound effect unit 12 sends the processed voice signal V 'to the first mixer 13 and also sends the processed voice signal V' to the time delay unit 17, the time delay unit 17 delays the processed voice signal V 'to synchronize the voice signal V' with the song signal M 'for eliminating original singing, the time delay unit 17 is set because the original singing eliminating unit 15 needs a certain processing time when processing the song signal M containing original singing, if the original singing eliminated song signal M' is directly mixed with the processed voice signal V ', the problem of asynchronization between voice and music is easily caused, so the time delay unit 17 is added to properly delay the processed voice signal V' to ensure the synchronization between voice and music; the time delay unit 17 further sends the delayed human voice signal V' to the second mixing unit 16; a second mixing unit 16 for mixing the song signal M 'without the original singing processing and the processed human voice signal V' into a second sound mixing signal M '+ V'; the bluetooth audio equipment 1 returns the second mixed sound signal M '+ V' to the mobile terminal 2, and the mobile terminal 2 performs subsequent processing, such as recording or live broadcasting, sharing and the like through the network.
The mobile terminal 2 may be a mobile phone, a tablet computer, a laptop computer, or the like; the bluetooth audio device 1 includes a bluetooth microphone headset or a bluetooth microphone with a headset plugged in.
The downlink transmission of the bluetooth connection between the bluetooth audio device 1 and the mobile terminal 2 uses the A2DP channel, and the uplink transmission returned to the mobile terminal 2 may use the bluetooth RFCOMM channel.
Further, a wireless karaoke method with cheating function is provided, as shown in fig. 1, the method includes the following steps: establishing Bluetooth connection between the Bluetooth audio equipment 1 and the mobile terminal 2; the Bluetooth audio equipment 1 receives a song signal M containing original singing in a two-channel stereo system from the mobile terminal 2; picking up a singing voice signal V of a user; carrying out sound effect processing on the human voice signal V; mixing the song signal M with the processed human voice signal V 'to obtain a first audio mixing signal M + V'; playing the first audio mixing signal M + V' to a user; removing original singing sound in the song signal M containing the original singing; delaying the processed voice signal V ' to synchronize the voice signal V ' with the original song signal M ' eliminated; mixing the song signal M 'without original singing processing and the processed human voice signal V' into a second sound mixing signal M '+ V'; the second mixed sound signal M '+ V' is returned to the mobile terminal 2, and the mobile terminal 2 performs subsequent processing.
Reasonable modifications of the invention based on the disclosure herein by those skilled in the art are considered to fall within the scope of the invention.
Claims (10)
1. A wireless karaoke system with cheating function comprises a Bluetooth audio device (1) and a mobile terminal (2), wherein the Bluetooth audio device (1) is connected with the mobile terminal (2) through Bluetooth; characterized in that the Bluetooth audio equipment (1) receives a song signal M containing original singing in a two-channel stereo system from the mobile terminal (2) and sends the song signal M to a first mixer (13); the Bluetooth audio device (1) comprises a microphone (11) for picking up a singing human voice signal V of a user; the device comprises an audio effect unit (12) which receives a human voice signal V from a microphone (11) and performs audio effect processing on the human voice signal V; the sound effect unit (12) sends the processed human sound signal V' to a first mixer (13); a first mixer (13) for mixing the song signal M with the processed human voice signal V ' to obtain a first mixed sound signal M + V ' and sending the first mixed sound signal M + V ' to a loudspeaker unit (14); a speaker unit (14) that plays a signal to a user; the Bluetooth audio equipment (1) simultaneously sends a song signal M containing original singing to an original singing eliminating unit (15), wherein the original singing eliminating unit is used for removing original singing in the song signal M and sending a song signal M' with the original singing eliminated to a second mixing unit (16); the sound effect unit (12) simultaneously sends the processed human voice signal V ' to the time delay unit (17), the time delay unit (17) delays the processed human voice signal V ', so that the human voice signal V ' is synchronous with the song signal M ' eliminating original singing, and the delayed human voice signal V ' is further sent to the second mixing unit (16); a second mixing unit (16) for mixing the song signal M 'without original singing processing and the processed human voice signal V' into a second sound mixing signal M '+ V'; the Bluetooth audio device (1) returns the second mixed sound signal M '+ V' to the mobile terminal (2), and the mobile terminal (2) carries out subsequent processing.
2. Wireless karaoke system according to claim 1, characterized in that the processing of the human audio signal V by the sound effect unit (12) comprises adding reverberation, transposition.
3. A wireless karaoke system as claimed in claim 1, characterized in that the subsequent processing of the mobile terminal (2) comprises recording a mixed audio signal or live broadcasting via a network.
4. Wireless karaoke system according to claim 1, characterized in that the downlink transmission of the bluetooth connection between the bluetooth audio device (1) and the mobile terminal (2) uses the A2DP channel and the uplink transmission back to the mobile terminal (2) uses the bluetooth RFCOMM channel.
5. The wireless karaoke system as claimed in one of claims 1 to 4, wherein the mobile terminal (2) comprises a mobile phone, a tablet computer or a laptop computer; the Bluetooth audio device (1) comprises a Bluetooth microphone earphone or a Bluetooth microphone with an earphone.
6. A wireless karaoke method with cheating function comprises the following steps:
establishing Bluetooth connection between the Bluetooth audio equipment (1) and the mobile terminal (2);
the method comprises the following steps that a Bluetooth audio device (1) receives a song signal M containing original singing in a two-channel stereo system from a mobile terminal (2);
picking up a singing voice signal V of a user;
carrying out sound effect processing on the human voice signal V;
mixing the song signal M with the processed human voice signal V 'to obtain a first audio mixing signal M + V';
playing the first audio mixing signal M + V' to a user;
removing original singing sound in the song signal M containing the original singing;
delaying the processed voice signal V ' to synchronize the voice signal V ' with the original song signal M ' eliminated;
mixing the song signal M 'without original singing processing and the processed human voice signal V' into a second sound mixing signal M '+ V';
the second mixed sound signal M '+ V' is returned to the mobile terminal (2), and the mobile terminal (2) carries out subsequent processing.
7. The wireless karaoke method as claimed in claim 6, wherein the sound effect processing on the human sound signal V comprises adding reverberation and pitch change.
8. A wireless Karaoke method as claimed in claim 6, characterized in that the subsequent processing of the mobile terminal (2) comprises recording a mixed audio signal or live broadcasting through a network.
9. A wireless Karaoke method as claimed in claim 6, characterized in that the downlink transmission of the Bluetooth connection between the Bluetooth audio device (1) and the mobile terminal (2) uses the A2DP channel, while the uplink transmission back to the mobile terminal (2) uses the Bluetooth RFCOMM channel.
10. The wireless karaoke method as claimed in one of claims 6 to 9, wherein the mobile terminal (2) comprises a mobile phone, a tablet computer or a laptop computer; the Bluetooth audio device (1) comprises a Bluetooth microphone earphone or a Bluetooth microphone with an earphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810863984.4A CN110853608A (en) | 2018-08-01 | 2018-08-01 | Wireless karaoke system with cheating function and karaoke method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810863984.4A CN110853608A (en) | 2018-08-01 | 2018-08-01 | Wireless karaoke system with cheating function and karaoke method |
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| CN110853608A true CN110853608A (en) | 2020-02-28 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10228288A (en) * | 1996-12-09 | 1998-08-25 | Taito Corp | Karaoke (sing-along machine) device with earphone |
| WO2005111884A1 (en) * | 2004-04-30 | 2005-11-24 | Modestar Corporation | Challanging system and method with network karaoke |
| CN102264014A (en) * | 2010-05-26 | 2011-11-30 | 陈柚仁 | Sound source separation wireless headphone module and sound source separation method |
| CN207340160U (en) * | 2017-10-26 | 2018-05-08 | 张德明 | A kind of wireless K songs sound system |
-
2018
- 2018-08-01 CN CN201810863984.4A patent/CN110853608A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10228288A (en) * | 1996-12-09 | 1998-08-25 | Taito Corp | Karaoke (sing-along machine) device with earphone |
| WO2005111884A1 (en) * | 2004-04-30 | 2005-11-24 | Modestar Corporation | Challanging system and method with network karaoke |
| CN102264014A (en) * | 2010-05-26 | 2011-11-30 | 陈柚仁 | Sound source separation wireless headphone module and sound source separation method |
| CN207340160U (en) * | 2017-10-26 | 2018-05-08 | 张德明 | A kind of wireless K songs sound system |
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Effective date of registration: 20200421 Address after: 100085 12A-2, B, block 28, information road, Haidian District, Beijing. Applicant after: BEIJING SAIBIN SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 100085 12A-2, B, block 28, information road, Haidian District, Beijing. Applicant before: Zhang Deming |