CN109257552B - Method for designing sound effect parameters of flat-panel television - Google Patents
Method for designing sound effect parameters of flat-panel television Download PDFInfo
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- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
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Abstract
The invention discloses a method for designing sound effect parameters of a flat-panel television, which comprises the steps of separating sound parameters from system software into two corresponding files, carrying out frame butt joint on the two files of the sound parameters and core system software, and carrying out processing by using independent sound parameter files during process butt joint of starting system software, design process butt joint during parameter debugging and production maintenance. The method is used for solving the problem of low efficiency and reliability in each link of sound parameter design, production and after-sale, can improve the design efficiency of sound effect parameters, and achieves the aim of independent design and control of the sound effect parameters.
Description
Technical Field
The invention relates to the technical field of audio processing, in particular to a method for designing sound effect parameters of a flat-panel television.
Background
In the development and design of a sound system of a television, a common design method is that after the appearance structural member of each model is determined, sound parameters of a prototype are debugged to enable each sound effect mode to achieve a set sound effect. In the debugging process, the method is that the sound parameter file is opened through an editing tool at the computer end, the editing is completed at the computer end, and the final state of the parameter file is adjusted and then put into a machine core software system to be compiled into firmware.
The traditional television sound software design technology has the following problems:
a. the sound quality parameters of the television are stored in one file, and one set of system software cannot be compatible with sound parameter data of various types at the same time;
b. when the sound parameters are in problem in the production process, the operation of upgrading and after-sale maintenance of the sound data is difficult.
The root cause of these problems is the lack of a systematic solution for efficiently designing sound related parameters on the television core system software.
The problem is technically characterized in that the sound parameters of the television system cannot be separately controlled and designed from the software of the movement system, so that the design efficiency of the sound parameters is low, and the sound parameters cannot be quickly processed and solved when problems occur in design, production and after-sale.
Since the various parameters of the sound and the core software are not separately controlled and designed, a sound design developer firstly faces a file containing a large number of data items and data amount in the process of designing the sound parameters. The data volume is large because all models of data are in one set, and the data items are many because all sound parameters are in the file, but many items do not need to be adjusted. When files with such a large amount of data are designed in a centralized manner, reliability is greatly reduced, and design efficiency is also reduced.
Meanwhile, because the large-data-volume file does not get rid of the constraint of a machine core software system, after adjustment every time, the file needs to be updated in a system file partition and then an image file is regenerated. That is, the adjustment of the sound parameters and the software development cannot be independently performed in parallel, and the coupling is tight. Therefore, when problems are caused in the production and after-sale processes, the sound parameters can be upgraded only by upgrading the software of the machine core, so that time is consumed, and the production efficiency is not high. In addition, sound designers in the existing scheme can only change file parameters and sound parameters to adjust sound through a command line of an operating system, and the real-time performance and the efficiency are poor.
Disclosure of Invention
The invention aims to overcome the defects in the background technology, and provides a method for designing sound effect parameters of a flat-panel television, which is used for solving the problem of low efficiency and reliability in various links of sound parameter design, production and after-sale, can improve the design efficiency of the sound effect parameters, and achieves the aim of independent design and control of the sound effect parameters.
In order to achieve the technical effects, the invention adopts the following technical scheme:
the method for designing sound effect parameters of the flat-panel television comprises the following steps:
A. dividing parameters related to sound in the television core software into blocks according to design division; the parameters divided by blocks include but are not limited to sound effect parameters, and the implementation is as follows;
A1. writing all parameters (such as Prescale, mode setting, volume nonlinear and other parameters) bound with the signal channels into a plurality of arrays according to different signal channels, and storing the arrays into a basic sound effect parameter file;
A2. writing all sound effect parameters (such as surround sound, EQ parameters, treble, bass and the like) into a plurality of arrays according to different setting modes (mode setting), and storing the arrays into an advanced sound effect parameter file;
A3. establishing a mapping relation among the basic sound effect parameter file, the advanced sound effect parameter file and the whole machine type by adopting a naming method or a type field encryption method;
B. completing frame butt joint of a basic sound effect parameter file, a high-level sound effect parameter file and core software, specifically comprising process butt joint of starting system software and design process butt joint during parameter debugging;
C. the method is characterized in that the method uses an independent sound parameter file for processing during production and maintenance, wherein the sound parameter file is a partition of a television system, namely the parameter file can be updated on the partition independently, and the method can be implemented by placing the sound parameter file in a U disk and then copying the sound parameter file into a system partition.
Further, when the mapping relationship is established by using a naming method in the step a3, the model of the model is used as the file name of the sound parameter file, the file name is used as the mapping identifier,
when the mapping relation is established by adopting a model field encryption mode, each model name is subjected to encryption operation, the operated numerical value is used as a file name, and the file name is used as a mapping identifier.
Further, the encryption operation adopts a checksum mode.
Further, the mapping identification is that a model corresponds a set of sound effect parameter file, one set of sound effect parameter file includes a basic sound effect parameter file, an advanced sound effect parameter file, just the parameter of saving in the basic sound effect parameter file is basic sound effect parameter, and the parameter of saving in the advanced sound effect parameter file is advanced sound effect parameter.
Further, the step B specifically includes the following steps:
B1. establishing a partition in a television system separately, storing sound parameter files of all models in the partition, and customizing and modifying the system in the partition;
B2. the method comprises the steps of butt joint of a television system starting process, opening an identification parameter file in a sound parameter partition according to a machine type and setting basic sound effect parameters and advanced sound effect parameters of the system when the television system is started every time;
B3. and (3) a process of debugging the sound parameters is docked, an api interface is packaged in system software to debug application, and parameter effects to be achieved are issued to the system in real time through the application.
Further, when the system is customized and modified in step B1, the partition upgrade may be performed separately or the partition and the system may be packaged together as an image file and upgraded together.
Further, the step B2 is specifically:
b2.1, after the television system is started, acquiring file names of two sound effect parameters in a set of sound effect parameter files used by the local machine type by acquiring the local machine type in a system database, and acquiring basic sound effect parameters and advanced sound effect parameters corresponding to the basic sound effect parameter files and the advanced sound effect parameter files respectively by system access sound parameter partition, storage paths, file names and the like;
and B2.2, acquiring basic sound effect parameters and advanced sound effect parameters of the fixed model by reading the file in the storage path.
Further, the process of sound parameter debugging in step B3 specifically includes:
s1, installing debugging software apk on a television, wherein the debugging software apk realizes corresponding functions by calling a jar packet interface which is independently packaged;
s2, opening a parameter file corresponding to the whole television to be debugged on a cloud background server through debugging software apk, transmitting each decrypted parameter value to a local system of the television and displaying the parameter value on debugging software;
s3, changing the parameter item to be modified through a voice command of the remote controller, and changing the auditory effect of sound in real time on the television through refreshing the functional interface again after changing;
and S4, uploading the parameter file after debugging to a sound effect parameter management cloud server through debugging application software.
Further, the step C specifically includes:
C1. acquiring a latest file of which the parameter model is to be changed from a sound effect parameter management cloud server, and specifically, transferring the file to a storage device;
C2. connecting a storage device to a television, and rewriting the parameter files and parameters in the storage device into a memory of a television system in a mode of upgrading sound effect parameter files in real time;
C3. and after the television is restarted, setting basic sound effect parameters and advanced sound effect parameters of the system according to the step B2.
Further, the file format of the basic sound effect parameter file and the advanced sound effect parameter file is an INI file format or an XML file format.
Compared with the prior art, the invention has the following beneficial effects:
in the method for designing the sound effect parameters of the flat-panel television, firstly, the sound parameters and the core software are in a decoupling relation, namely, the edition setting of each edition of the whole machine software and the edition setting of an effect parameter file can be separately carried out, and the method has the advantages that the software upgrading and the effect parameter upgrading of the whole machine can be respectively and independently carried out, so that the efficiency of processing problems of a production line can be greatly improved;
secondly, the real-time adjustment of sound parameters in the method for designing the sound effect parameters of the flat-panel television is more visual and convenient, and meanwhile, the working efficiency of development designers is improved; and because the parameter file can establish massive data on the server, so can support a core software to store a large amount of model data at the same time in the design process, help to reduce the software design cost, meanwhile, while adding the relevant function of the sound effect on the technological frame of this scheme again, can finish fast, finally, the television based on that the invention is designed can improve efficiency and ability that the personnel deal with the relevant problem of the sound after sale in the after-sale stage, save the input cost of the after-sale link.
Therefore, the method for designing the sound effect parameters of the flat-panel television is beneficial to improving the overall development efficiency and the design reliability of the core software of the flat-panel television, reducing the design risk, improving the problem processing capacity and the production efficiency during production and having good inheritance and reliability.
Drawings
FIG. 1 is a schematic diagram of a system software sound design flow according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a sound parameter debugging design flow in an embodiment of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the embodiments of the invention described hereinafter.
Example (b):
a method for designing sound effect parameters of a flat-panel television specifically comprises the following steps:
s1, separating sound parameters from system software into two corresponding files, specifically:
s1.1, writing all parameters bound with the signal channels, such as parameters like Prescale, mode setting, volume nonliner and the like, into a plurality of arrays according to different signal channels, wherein the arrays are stored in a basic sound effect parameter file, and in the embodiment, an ini file is used as an example in a file format in the basic sound effect parameter file.
The separated basic sound effect parameter file is exemplified as follows: wherein, the basic sound effect parameter part includes (Prescale and mode setting parameters are taken as examples in this embodiment):
[Source_Prescale]
MainSpeaker_Prescale_ATV＝0x21
MainSpeaker_Prescale_DTV＝0x9
MainSpeaker_Prescale_AV＝0x19
MainSpeaker_Prescale_YPBPR＝0x19
MainSpeaker_Prescale_PC＝0x19
MainSpeaker_Prescale_HDMI＝0x17
MainSpeaker_Prescale_USB＝0x1c
MainSpeaker_Prescale_NET＝0x1c
MainSpeaker_Prescale_ALSA＝0x33
[SoundModeSetting]
Sound_mode_standard＝{50,50,50,50,50,0,0,0,0}
Sound_mode_movie＝{50,50,50,50,50,1,0,0,1}
Sound_mode_umax＝{50,50,50,50,50,1,1,1,1}
Sound_mode_read＝{50,50,50,50,50,0,0,1,1}
Sound_mode_music＝{70,70,50,50,50,0,1,1,0}
Sound_mode_sports＝{50,50,50,50,50,1,0,0,1}
Sound_mode_game＝{50,50,50,50,50,0,1,0,0}
Sound_mode_SDR2HDR＝{50,50,50,50,50,1,1,1,0}
Sound_mode_dolby_brightness＝{50,50,50,50,50,1,1,1,0}
Sound_mode_dolby_dark＝{50,50,50,50,50,1,1,1,0}
……………………………
s1.2, writing all sound effect parameters such as surround sound, EQ parameters, treble, bass and the like into a plurality of arrays according to different mode setting, and storing the arrays into a high-level sound effect parameter file, wherein an ini file is used as an example in the file format of the high-level sound effect parameter file;
the specific sound effect setting parameter part is as follows (taking part as an example):
[audio_advance_params_1]
pregain＝0
postgain＝0
systemgain＝0
surround_decoder_enable＝0
virtualizer_enable＝0
headphone_reverb＝0
speaker_angle＝5
speaker_start＝200
surround_boost＝96
mi_ieq_enable＝0
mi_dv_enable＝0
mi_de_enable＝0
mi_surround_enable＝0
calibration_boost＝0
leveler_amount＝7
leveler_input＝-483
leveler_output＝-483
leveler_enable＝0
modeler_enable＝0
modeler_calibration＝0
ieq_enable＝0
ieq_amount＝10
ieq_nb_bands＝20
……………………………
s1.3, a mapping relation is established between the two parameter files and the whole machine model by adopting a naming method, the two parameter files respectively adopt the naming method, the model of the whole machine model is used as the file name of the sound parameter file, and the file format adopts an ini file format, for example: two sound parameter files of model 43Q5T are 43Q5T _ aq.ini and 43Q5TA _ advaq.ini.
S2, carrying out frame butt joint on the two files of the sound parameters and the core system software, wherein the frame butt joint comprises the process butt joint of the starting system software and the design process butt joint during parameter debugging:
s2.1, independently establishing a partition in the system, wherein the name of the partition is hwcfg, storing sound parameter files of all models in the partition, customizing and modifying the partition system, and not only independently updating the partition, but also packaging the partition system and the system into image files for updating, wherein the path for storing the sound parameters is/hwcfg/aq/aq;
s2.2, starting a system, opening an identification parameter file in a sound parameter partition according to a machine type and setting basic sound parameters and effect parameters of the system when the system is started every time, wherein the sound design process of system software is specifically shown as the attached figure 1:
s2.2.1 after the television system is started, obtaining the file names of two sound parameters used by the local machine type by obtaining the local machine type in the system database, and obtaining the basic sound effect parameters and the advanced sound effect parameters corresponding to the two files by the system access to the partition and storage path, the file name and the like of the sound parameters;
if the model of the local device is 43Q5T obtained from the database in this embodiment, the specific path of the file storing the two sound parameters is/hwcfg/aq/aq/43Q 5T _ aq.ini and/hwcfg/aq/aq/43Q 5T _ advaq.ini.
43Q5V _ aq. ini this file is the basic parameter file of 43Q5T,
43Q5V _ advaq. ini is the sound effect parameter file of 43Q 5T.
S2.2.2, obtaining the sound parameters of the fixed model by reading the files in the storage path; the method is implemented in the embodiment as follows:
dictionary*m_pAudioDspIni＝iniparser_load(cAqIniPath_ProductName)；
by the method, various parameters in each file are obtained. And the television main software sets the acquired sound parameters in the processes of starting up and switching signals or other flows needing to switch the sound parameters.
The calling method can then be used through the encapsulation interface, such as setting the functional interface of the surround sound switch:
ChtvAudio::setSurroundMode(CH_BOOL bSurround)。
s2.3, a process of debugging the sound parameters is docked, and a parameter effect to be achieved is downloaded to the system in real time through application in a mode of packaging an api interface in system software for debugging application. The sound parameter debugging design flow in the embodiment is shown in fig. 2.
Specifically, the related design of the sound parameters in the debugging stage is as follows:
s2.3.1 in this embodiment, when a sound design developer debugs a sound, an autonomously developed application software, namely, "AQ debug apk" of the tv set, is installed on the tv set; the debugging apk is compiled through java language, and each corresponding function is realized by calling a jar packet interface which is independently packaged; in practice, the existing debugging application software with corresponding functions in the prior art can also be adopted.
S2.3.2, the parameter file corresponding to the whole television to be debugged can be opened on the cloud background server through the debugging software apk, and the decrypted parameter values are transmitted to the local system of the television and displayed on the debugging software; the process uses a java server access technology, the file is pulled down from the server, and the parameter is decrypted and displayed on the debugging application software;
s2.3.3 changing the parameter item to be modified by voice command via remote controller, and real-time changing the auditory effect of sound via refreshing the functional interface on the TV set; the called interface is a functional interface used when the called interface is called with a system in principle;
s2.3.4 uploading the debugged parameter file to the sound effect parameter management cloud server through the debugging application software. When generating television main firmware, a core software developer takes the television main firmware from a cloud server to a compiling server; storing the parameter file in the formulated partition; and refreshing or normally using the parameter file after restarting.
And S3, processing by using an independent sound parameter file during workshop production and maintenance. The basic principle is that the sound parameter file is a partition of the system, so that the parameter file can be updated on the partition independently, and the method comprises the following specific implementation steps:
s3.1, acquiring a latest file of a parameter model to be changed from the sound parameter server; putting the file in a storage device such as a U disk;
s3.2, connecting the memory to a USB interface of the television, and rewriting the parameter file and the parameters into the memory of the television system in a mode of upgrading the sound effect parameter file in real time;
and 3.3, after the television is restarted, the call is started again according to the S2.2 flow in the step 2.
From the above, in the method for designing sound effect parameters of a flat panel television, the problems that in the prior art, all sound effect parameters are in one large database file, so that the file cannot be modified intuitively and simply, one set of television core software cannot be compatible with various types of sound parameter data to be adjusted respectively, and the technical problems that data upgrading and after-sale maintenance of the sound parameter file in the production process are difficult to operate can be solved, the design efficiency of the sound effect parameters can be improved, and the aim of independently designing and controlling the sound effect parameters can be achieved.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (5)
1. The method for designing sound effect parameters of the flat-panel television is characterized by comprising the following steps:
A. dividing parameters related to sound in the television core software into blocks according to design division;
A1. writing all parameters bound with the signal channels into a plurality of arrays according to the difference of the signal channels, and storing the arrays into a basic sound effect parameter file;
A2. writing all sound effect parameters into a plurality of arrays according to different setting modes, and storing the arrays into a high-level sound effect parameter file;
A3. establishing a mapping relation among the basic sound effect parameter file, the advanced sound effect parameter file and the whole machine type by adopting a naming method or a type field encryption method; when the mapping relation is established by adopting a naming method, the model of the model is used as the file name of the sound parameter file, and the file name is used as a mapping identifier; when the mapping relation is established by adopting a model field encryption mode, each model name is subjected to encryption operation, the operated numerical value is used as a file name, and the file name is used as a mapping identifier;
B. completing frame butt joint of a basic sound effect parameter file, a high-level sound effect parameter file and core software, specifically comprising process butt joint of starting system software and design process butt joint during parameter debugging;
B1. establishing a partition in a television system separately, storing sound parameter files of all models in the partition, and customizing and modifying the system in the partition;
B2. the method comprises the steps of butt joint of a television system starting process, opening an identification parameter file in a sound parameter partition according to a machine type and setting basic sound effect parameters and advanced sound effect parameters of the system when the television system is started every time;
b2.1, after the television system is started, acquiring file names of two sound effect parameters in a set of sound effect parameter files used by the local machine type by acquiring the local machine type in a system database, and acquiring basic sound effect parameters and advanced sound effect parameters corresponding to the basic sound effect parameter files and the advanced sound effect parameter files respectively by system access sound parameter partition and storage paths and file names;
b2.2, obtaining basic sound effect parameters and advanced sound effect parameters of the fixed model by reading the files in the storage path;
B3. the process of the audio parameter debugging is butted, an api interface is packaged in system software to debug application, and parameter effects to be achieved are issued to the system in real time through the application;
the process of sound parameter debugging specifically comprises the following steps:
s1, installing debugging software apk on a television, wherein the debugging software apk realizes corresponding functions by calling a jar packet interface which is independently packaged;
s2, opening a parameter file corresponding to the whole television to be debugged on a cloud background server through debugging software apk, transmitting each decrypted parameter value to a local system of the television and displaying the parameter value on debugging software;
s3, changing the parameter item to be modified through a voice command of the remote controller, and changing the auditory effect of sound in real time on the television through refreshing the functional interface again after changing;
s4, uploading the parameter file after debugging to a sound effect parameter management cloud server through debugging application software;
C. processing is carried out by using an independent sound parameter file during production and maintenance, wherein the sound parameter file is a partition of a television system, and the parameter file can be independently updated for the partition;
the mapping identification is that a model corresponds one set of sound effect parameter file, one set of sound effect parameter file includes a basic sound effect parameter file, an advanced sound effect parameter file, just the parameter of saving in the basic sound effect parameter file is basic sound effect parameter, and the parameter of saving in the advanced sound effect parameter file is advanced sound effect parameter.
2. The method for designing sound effect parameters of a flat panel television set according to claim 1, wherein the encryption operation adopts a checksum mode.
3. The method for designing sound effect parameters of a flat panel television as claimed in claim 1, wherein the partition upgrade can be performed separately or the partition and the system are packaged together as an image file to be upgraded together when the system is customized and modified in step B1.
4. The method for designing sound effect parameters of a flat panel television set according to claim 1, wherein the step C is specifically as follows:
C1. acquiring a latest file of which the parameter model is to be changed from a sound effect parameter management cloud server, and specifically, transferring the file to a storage device;
C2. connecting a storage device to a television, and rewriting the parameter files and parameters in the storage device into a memory of a television system in a mode of upgrading sound effect parameter files in real time;
C3. and after the television is restarted, setting basic sound effect parameters and advanced sound effect parameters of the system according to the step B2.
5. The method for designing sound effect parameters of a flat panel television set according to claim 1, wherein the file format of the basic sound effect parameter file and the advanced sound effect parameter file is an INI file format or an XML file format.
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