CN103531191A - Sound processing method and device - Google Patents
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Abstract
The embodiment of the invention provides a sound processing method and device and relates to the technical field of signal processing. By the adoption of the invention, the problems of complex operation and inconvenient use for connection of Kara OK equipment in the existing method are solved. The sound processing method comprises the steps that the sound processing device is connected with an earphone output port of intelligent equipment, receives a first analog sound signal transmitted by the earphone output port from the intelligent equipment and a second analog sound signal from sound collection equipment, carries out analog-digital conversion on the first analog sound signal and the second analog sound signal respectively to generate a first digital sound signal and a second digital sound signal, carries out sound-mixing processing on the first digital sound signal and the second digital sound signal to generate a third digital sound signal, carries out digital-analog conversion on the third digital sound signal to generate a third analog sound signal, and then outputs the third analog sound signal.
Description
Technical Field
The present invention relates to the field of signal processing technologies, and in particular, to a sound processing method and device.
Background
With the continuous development of the film and television entertainment technology, karaoke is more and more popular among people as an entertainment mode for relaxing the body and mind. Karaoke singing can be so popular among people of various age levels because it not only allows people to listen to their favorite songs, but it also allows people to sing without the vocal of the original singer, but still with the full background accompaniment of the song. It offers the average public an opportunity to show themselves and sing just like a professional singer with background music in the context of a microphone amplifying their voice.
Some existing karaoke devices are used in professional places or entertainment places, so that users cannot conveniently perform karaoke entertainment, and some karaoke devices used in other terminals are also used, but a large number of auxiliary devices such as DVDs, power amplifiers and the like are required to be configured for use, operation connection is complex, and use is inconvenient.
Disclosure of Invention
The embodiment of the invention provides a sound processing method and a sound processing device, and solves the problems of complicated operation and inconvenient use of karaoke equipment in the prior art.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
the embodiment of the invention provides a sound processing method, wherein a sound processing device is connected with an earphone output port of intelligent equipment, and the method comprises the following steps:
the sound processing device receives a first analog sound signal transmitted from the intelligent equipment through the earphone output port and a second analog sound signal from sound collection equipment;
the sound processing device respectively carries out analog-to-digital conversion on the first analog sound signal and the second analog sound signal to generate a first digital sound signal and a second digital sound signal;
the sound processing device carries out sound mixing processing on the first digital sound signal and the second digital sound signal to generate a third digital sound signal;
the sound processing device carries out digital-to-analog conversion on the third digital sound signal to generate a third analog sound signal;
the sound processing device outputs the third analog sound signal.
The sound processing apparatus performs sound mixing processing on the first digital sound signal and the second digital sound signal to generate a third digital sound signal, and includes:
summing said first and second digital sound signals to obtain said third digital sound signal;
or,
summing the first digital sound signal and the second digital sound signal to obtain a sum value; dividing the summed value by 2 to obtain the third digital sound signal;
or,
and processing according to a sound mixing algorithm designed by the model of the sound signal to obtain the third digital sound signal.
The sound processing device respectively performs analog-to-digital conversion on the first analog sound signal and the second analog sound signal to generate a first digital sound signal and a second digital sound signal, and includes:
the sound processing device respectively quantizes the first analog sound signal and the second analog sound signal and determines the magnitude of the first analog sound signal and the magnitude of the second analog sound signal;
the sound processing apparatus encodes the quantized first analog sound signal and the quantized second analog sound signal, and determines codes of the first analog sound signal and the second analog sound signal corresponding to different magnitudes to generate the first digital sound signal and the second digital sound signal.
The sound processing apparatus outputs the third analog sound signal, including:
the sound processing device plays the third analog sound signal; or,
and the sound processing device outputs the third analog sound signal to external playing equipment so that the external playing equipment plays the third analog sound signal.
The intelligent device is an intelligent television, an intelligent mobile phone or a computer, and the sound collection device is a microphone.
The embodiment of the invention provides a sound processing device, which is connected with an earphone output port of intelligent equipment, and comprises:
the input unit is used for receiving a first analog sound signal transmitted from the intelligent equipment through the earphone output port and a second analog sound signal from the sound collection equipment;
the analog-to-digital converter is used for respectively carrying out analog-to-digital conversion on the first analog sound signal and the second analog sound signal to generate a first digital sound signal and a second digital sound signal;
the sound mixing processing unit is used for carrying out sound mixing processing on the first digital sound signal and the second digital sound signal to generate a third digital sound signal;
the digital-to-analog converter is used for performing digital-to-analog conversion on the third digital sound signal to generate a third analog sound signal;
an output unit for outputting the third analog sound signal.
The audio mixing processing unit is specifically configured to sum the first digital sound signal and the second digital sound signal to obtain a third digital sound signal;
or,
the audio mixing processing unit is specifically configured to sum the first digital sound signal and the second digital sound signal to obtain a sum value; dividing the summed value by 2 to obtain the third digital sound signal;
or,
the sound mixing processing unit is specifically configured to perform processing according to a sound mixing algorithm designed by a model of the sound signal to obtain the third digital sound signal.
The analog-to-digital converter is specifically configured to quantize the first analog sound signal and the second analog sound signal, determine magnitudes of the first analog sound signal and the second analog sound signal, encode the quantized first analog sound signal and the quantized second analog sound signal, and determine codes of the first analog sound signal and the second analog sound signal corresponding to different magnitudes, so as to generate the first digital sound signal and the second digital sound signal.
The output unit is specifically configured to play the third analog sound signal; or, outputting the third analog sound signal to an external playing device, so that the external playing device plays the third analog sound signal.
The intelligent device is an intelligent television, an intelligent mobile phone or a computer, and the sound collection device is a microphone.
The embodiment of the invention provides a sound processing method and a sound processing device, wherein the sound processing device is connected with an earphone output port of intelligent equipment, receives a first analog sound signal transmitted from the intelligent equipment through the earphone output port and a second analog sound signal from sound acquisition equipment, respectively performs analog-to-digital conversion on the first analog sound signal and the second analog sound signal to generate a first digital sound signal and a second digital sound signal, performs sound mixing processing on the first digital sound signal and the second digital sound signal to generate a third digital sound signal, performs digital-to-analog conversion on the third digital sound signal to generate a third analog sound signal, and then outputs the third analog sound signal. The sound processing method and the sound processing device are convenient to use and simple and convenient to connect, and are suitable for various intelligent devices.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first flowchart illustrating a sound processing method according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a sound processing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a sound processing apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
An embodiment of the present invention provides a sound processing method, as shown in fig. 1, where a sound processing apparatus is connected to an earphone output port of an intelligent device, the method including:
s101, the sound processing device receives a first analog sound signal transmitted through an earphone output port from the intelligent equipment and a second analog sound signal from the sound collection equipment.
The intelligent equipment can be a smart television, a smart phone or a computer, the intelligent equipment is output to the sound processing device through an output port of the earphone, the intelligent equipment is opened, music is played, meanwhile, a user also outputs sung sound to the sound processing device through the sound collection equipment, and the sound collection equipment is a microphone. For example, the sound processing device is connected to an input port of an earphone of the smart television, the smart television is turned on to select a piece of music to play, the user simultaneously outputs singing sound to the sound processing device through the microphone, and the sound processing device processes background music and singing sound of the user and finally outputs the background music and the singing sound.
S102, the sound processing device respectively carries out analog-to-digital conversion on the first analog sound signal and the second analog sound signal to generate a first digital sound signal and a second digital sound signal.
The sound processing device quantizes a received first analog sound signal of music output by the intelligent equipment and a sound second analog sound signal singing by a user through a microphone, and determines the magnitude of the first analog sound signal and the magnitude of the second analog sound signal; and respectively coding the quantized first analog sound signal and the second analog sound signal, and determining codes of the first analog sound signal and the second analog sound signal corresponding to different magnitudes to generate a first digital sound signal and a second digital sound signal.
S103, the sound processing device performs sound mixing processing on the first digital sound signal and the second digital sound signal to generate a third digital sound signal.
The sound processing device performs sound mixing processing on the first digital sound signal and the second digital sound signal to generate a third digital sound signal.
The mixing processing method at least comprises the following three implementation modes:
a first implementation may be that the first digital sound signal and the second digital sound signal are summed to obtain a third digital sound signal;
a second implementation may be that the first digital sound signal and the second digital sound signal are summed to obtain a summed value, and the summed value is divided by 2 to obtain a third digital sound signal;
the third implementation manner may be that a third digital sound signal is obtained by processing according to a sound mixing algorithm designed by the model of the sound signal.
And S104, the sound processing device performs digital-to-analog conversion on the third digital sound signal to generate a third analog sound signal.
The sound processing apparatus decodes the third digital sound signal, converts the decoded code into corresponding analog quantities in accordance with the magnitude of the bit weights thereof, and then adds the analog quantities to generate a third analog sound signal.
And S105, outputting the third analog sound signal by the sound processing device.
The sound processing device outputs the third analog sound signal, and may be that the sound processing device directly plays the third analog sound signal; the sound processing device may output the third analog sound signal to the external playback device, so that the external playback device plays the third analog sound signal.
Further, the sound processing device quantizes the first analog sound signal and the second analog sound signal respectively, and determines the magnitude of the first analog sound signal and the magnitude of the second analog sound signal;
the sound processing device respectively encodes the quantized first analog sound signal and the quantized second analog sound signal, and determines codes of the first analog sound signal and the second analog sound signal corresponding to different magnitudes to generate a first digital sound signal and a second digital sound signal.
The sound processing device quantizes the received first analog sound signal of the music output by the intelligent equipment and the received second analog sound signal of the singing sound of the user through the microphone.
Further, summing the first digital sound signal and the second digital sound signal to obtain a third digital sound signal;
or,
summing the first digital sound signal and the second digital sound signal to obtain a sum value; dividing the summed value by 2 to obtain a third digital sound signal;
or,
and processing according to a sound mixing algorithm designed by the model of the sound signal to obtain a third digital sound signal.
Further, the sound processing apparatus outputs a third analog sound signal, including:
the sound processing device plays the third analog sound signal; or,
and the sound processing device outputs the third analog sound signal to the external playing equipment so that the external playing equipment plays the third analog sound signal.
The sound processing device can directly play the third analog sound signal of the sound synthesis processing of the singing sound of the user and the music played by the intelligent equipment through a loudspeaker of the sound processing device, and can also play the third analog sound signal through an external playing device.
Furthermore, the intelligent device is an intelligent television, an intelligent mobile phone or a computer, and the sound collection device is a microphone.
It should be noted that the smart device of this embodiment is not limited to a smart television, a smart phone or a computer, other smart devices that can be connected to the sound processing apparatus of the present invention also belong to the protection scope of the present invention, and the sound collecting device is not limited to a microphone, and other sound collecting devices also belong to the protection scope of the present invention.
The embodiment of the invention provides a sound processing method, wherein a sound processing device is connected with an earphone output port of intelligent equipment, receives a first analog sound signal transmitted from the intelligent equipment through the earphone output port and a second analog sound signal from sound acquisition equipment, respectively carries out analog-to-digital conversion on the first analog sound signal and the second analog sound signal to generate a first digital sound signal and a second digital sound signal, carries out sound mixing processing on the first digital sound signal and the second digital sound signal to generate a third digital sound signal, carries out digital-to-analog conversion on the third digital sound signal to generate a third analog sound signal, and then outputs the third analog sound signal. The sound processing method is simple to operate and suitable for various intelligent devices, and karaoke entertainment can be easily performed by connecting the sound processing device with the intelligent devices.
Example two
An embodiment of the present invention provides a sound processing apparatus 1, as shown in fig. 2, where the sound processing apparatus is connected to an earphone output port of an intelligent device, and the sound processing apparatus includes:
the input unit 10 is used for receiving a first analog sound signal transmitted from the intelligent device through an earphone output port and a second analog sound signal from the sound collection device;
an analog-to-digital converter 11 that performs analog-to-digital conversion on the first analog sound signal and the second analog sound signal, respectively, to generate a first digital sound signal and a second digital sound signal;
a sound mixing processing unit 12, configured to perform sound mixing processing on the first digital sound signal and the second digital sound signal to generate a third digital sound signal;
a digital-to-analog converter 13, configured to perform digital-to-analog conversion on the third digital sound signal to generate a third analog sound signal;
an output unit 14 for outputting the third analog sound signal.
As shown in fig. 3, the smart device 31 may be a smart television, a smart phone or a computer, and outputs the sound to the sound processing device 32 through an output port of an earphone, so as to turn on the smart device and play music, and meanwhile, the user also outputs the sung sound to the sound processing device through the sound collection device, which is a microphone. For example, the sound processing device is connected to an input port of an earphone of the smart television, the smart television is turned on to select a piece of music to play, the user simultaneously outputs singing sound to the sound processing device through the microphone, and the sound processing device processes background music and singing sound of the user and finally outputs the background music and the singing sound.
The audio mixing processing unit is specifically configured to sum the first digital audio signal and the second digital audio signal to obtain a third digital audio signal;
or,
the audio mixing processing unit is specifically used for summing the first digital sound signal and the second digital sound signal to obtain a summation value; dividing the summed value by 2 to obtain a third digital sound signal;
or,
and the sound mixing processing unit is specifically used for processing according to a sound mixing algorithm designed by the model of the sound signal to obtain a third digital sound signal.
Further, the analog-to-digital converter is specifically configured to quantize the first analog sound signal and the second analog sound signal, determine magnitudes of the first analog sound signal and the second analog sound signal, encode the quantized first analog sound signal and the quantized second analog sound signal, and determine codes of the first analog sound signal and the second analog sound signal corresponding to different magnitudes, so as to generate a first digital sound signal and a second digital sound signal.
The output unit is specifically used for playing the third analog sound signal; or, the third analog sound signal is output to the external playing device, so that the external playing device plays the third analog sound signal.
Furthermore, the intelligent device is an intelligent television, an intelligent mobile phone or a computer, and the sound collection device is a microphone.
The embodiment of the invention provides a sound processing device, which is connected with an earphone output port of intelligent equipment and comprises an input unit, a processing unit and a control unit, wherein the input unit is used for receiving a first analog sound signal transmitted from the intelligent equipment through the earphone output port and a second analog sound signal from sound acquisition equipment; the analog-to-digital converter is used for respectively carrying out analog-to-digital conversion on the first analog sound signal and the second analog sound signal to generate a first digital sound signal and a second digital sound signal; the sound mixing processing unit is used for carrying out sound mixing processing on the first digital sound signal and the second digital sound signal to generate a third digital sound signal; the digital-to-analog converter is used for performing digital-to-analog conversion on the third digital sound signal to generate a third analog sound signal; and an output unit for outputting the third analog sound signal. The sound processing device is convenient to use, simple and convenient to connect and suitable for various intelligent devices, and karaoke entertainment can be easily performed by connecting the intelligent devices with the sound processing device.
It will be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A sound processing method, wherein a sound processing apparatus has been connected to a headphone output port of a smart device, the method comprising:
the sound processing device receives a first analog sound signal transmitted from the intelligent equipment through the earphone output port and a second analog sound signal from sound collection equipment;
the sound processing device respectively carries out analog-to-digital conversion on the first analog sound signal and the second analog sound signal to generate a first digital sound signal and a second digital sound signal;
the sound processing device carries out sound mixing processing on the first digital sound signal and the second digital sound signal to generate a third digital sound signal;
the sound processing device carries out digital-to-analog conversion on the third digital sound signal to generate a third analog sound signal;
the sound processing device outputs the third analog sound signal.
2. The sound processing method according to claim 1, wherein the sound processing apparatus performs mixing processing on the first digital sound signal and the second digital sound signal to generate a third digital sound signal, and includes:
summing said first and second digital sound signals to obtain said third digital sound signal;
or,
summing the first digital sound signal and the second digital sound signal to obtain a sum value; dividing the summed value by 2 to obtain the third digital sound signal;
or,
and processing according to a sound mixing algorithm designed by the model of the sound signal to obtain the third digital sound signal.
3. The sound processing method according to claim 1, wherein the sound processing apparatus performs analog-to-digital conversion on the first analog sound signal and the second analog sound signal to generate a first digital sound signal and a second digital sound signal, respectively, and includes:
the sound processing device respectively quantizes the first analog sound signal and the second analog sound signal and determines the magnitude of the first analog sound signal and the magnitude of the second analog sound signal;
the sound processing apparatus encodes the quantized first analog sound signal and the quantized second analog sound signal, and determines codes of the first analog sound signal and the second analog sound signal corresponding to different magnitudes to generate the first digital sound signal and the second digital sound signal.
4. The sound processing method according to claim 1, wherein the sound processing apparatus outputs the third analog sound signal, including:
the sound processing device plays the third analog sound signal; or,
and the sound processing device outputs the third analog sound signal to external playing equipment so that the external playing equipment plays the third analog sound signal.
5. The sound processing method according to claim 1, wherein the smart device is a smart television, a smart phone or a computer, and the sound collection device is a microphone.
6. A sound processing apparatus, having connected to a headphone output port of a smart device, comprising:
the input unit is used for receiving a first analog sound signal transmitted from the intelligent equipment through the earphone output port and a second analog sound signal from the sound collection equipment;
the analog-to-digital converter is used for respectively carrying out analog-to-digital conversion on the first analog sound signal and the second analog sound signal to generate a first digital sound signal and a second digital sound signal;
the sound mixing processing unit is used for carrying out sound mixing processing on the first digital sound signal and the second digital sound signal to generate a third digital sound signal;
the digital-to-analog converter is used for performing digital-to-analog conversion on the third digital sound signal to generate a third analog sound signal;
an output unit for outputting the third analog sound signal.
7. The sound processing apparatus according to claim 6, wherein the mixing processing unit is specifically configured to sum the first digital sound signal and the second digital sound signal to obtain the third digital sound signal;
or,
the audio mixing processing unit is specifically configured to sum the first digital sound signal and the second digital sound signal to obtain a sum value; dividing the summed value by 2 to obtain the third digital sound signal;
or,
the sound mixing processing unit is specifically configured to perform processing according to a sound mixing algorithm designed by a model of the sound signal to obtain the third digital sound signal.
8. The sound processing apparatus according to claim 6, wherein the analog-to-digital converter is specifically configured to quantize the first analog sound signal and the second analog sound signal respectively, determine magnitudes of the first analog sound signal and the second analog sound signal, encode the quantized first analog sound signal and the quantized second analog sound signal respectively, and determine codes of the first analog sound signal and the second analog sound signal corresponding to different magnitudes to generate the first digital sound signal and the second digital sound signal.
9. The sound processing apparatus according to claim 6, wherein the output unit is specifically configured to play the third analog sound signal; or, outputting the third analog sound signal to an external playing device, so that the external playing device plays the third analog sound signal.
10. The sound processing apparatus according to claim 6, wherein the smart device is a smart television, a smart phone, or a computer, and the sound collection device is a microphone.
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| CN105989824A (en) * | 2015-02-16 | 2016-10-05 | 北京天籁传音数字技术有限公司 | Karaoke system of mobile device and mobile device |
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Application publication date: 20140122 |