CN101677377A - Sound effect processing method and playing device adopting same - Google Patents

Sound effect processing method and playing device adopting same Download PDF

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Publication number
CN101677377A
CN101677377A CN200810216171A CN200810216171A CN101677377A CN 101677377 A CN101677377 A CN 101677377A CN 200810216171 A CN200810216171 A CN 200810216171A CN 200810216171 A CN200810216171 A CN 200810216171A CN 101677377 A CN101677377 A CN 101677377A
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China
Prior art keywords
mapping table
audio pattern
audio
sound effect
programme content
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CN200810216171A
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Chinese (zh)
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宁尚国
王华钧
田建涛
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Shenzhen TCL New Technology Co Ltd
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Shenzhen TCL New Technology Co Ltd
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Priority to CN200810216171A priority Critical patent/CN101677377A/en
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Abstract

The invention provides a sound effect processing method suitable for a playing device and the playing device adopting the same. The sound effect processing method comprises the following steps: a, acquiring the data of a current program, and searching the sound effect mode which corresponds to the current program from the program data and sound effect mode corresponding relationship table, and b,setting the sound effect mode of the system into the sound effect mode of the current program. Due to the adoption of the technical scheme provided by the invention, the sound effect mode of the playing device can be automatically adjusted according to the nature and the channel of the current program, the operation procedure of the user is simplified, and the system is made more humanized, thus the satisfaction degree of the customer is improved.

Description

Sound effect treatment method and use the playing device of this method
Technical field
The invention belongs to the audio signal processing technique field, relate in particular to a kind of sound effect treatment method and use the playing device of this method.
Background technology
Along with the raising of the level of consumption, the user is more and more higher to the audio frequency and video effect requirements of playing device (as television set, DVD etc.), wishes that the audio of playing device and sound scenery adapt, to reach best sound effect.
At present, Digital Television replaces simulated television has become a kind of inevitable.For satisfying the requirement of user to the Digital Television audio, in the present digital television, substantially all comprise the audio selection function, promptly be provided with different audio patterns according to different sound scenery, as audio patterns such as news, film, standard, music, the user can select different audios according to current play content, is news program as current program, and the user selects news audio pattern to make sound effect the best; If concert will select music audio pattern to strengthen music effect.
Though above-mentioned method can be so that the audio pattern and the sound scenery of Digital Television adapt, the shared audio pattern of all programs, when content changing, the user must go to switch the audio pattern and adapt at every turn.
But being provided with of this different audios needs user oneself initiatively to go to change, if the user changes platform or programme content changes, the user must reset and could obtain best sound effect, and it is more loaded down with trivial details to operate.
Summary of the invention
The object of the present invention is to provide a kind of sound-effect processing equipment that is used for sound effect treatment method and uses this method, be intended to solve the problem that the playing device that exists in the prior art can not be adjusted the audio pattern automatically according to programme content.
The present invention is achieved in that a kind of sound effect treatment method, and described method comprises:
A, obtain the program data of current program, from program data and audio pattern mapping table, search described current program corresponding sound effect pattern;
The audio pattern of b, system is set to the audio pattern of described current program.
Wherein step a specifically comprises:
A1, from data flow, parse content descriptors, and obtain the programme content classified information of current programme content according to the content descriptors that parses;
A2, from programme content classified information and audio pattern mapping table, search described current program corresponding sound effect pattern.
Wherein also comprise before the step a1:
Set up the programme content classified information and audio pattern mapping table is stored in advance.
Wherein step a specifically comprises:
A1, from data flow, parse the channel information of current program;
A2, from channel information and audio pattern mapping table, search described current program corresponding sound effect pattern.
Wherein also comprise before the step a1:
Set up channel information and audio pattern mapping table is stored in advance.
The present invention also provides a kind of playing device, and described device comprises decoder module, MCU, memory and audio processing unit, wherein:
Described decoder module is used for parsing the program data of current program, and the program data of described current program is transferred to described MCU;
Described MCU is used for searching described current program corresponding sound effect pattern from the program data of described memory stores and audio pattern mapping table, and current program audio pattern corresponding sound effect processing parameter is transferred to described audio processing module;
Described memory is used for storing described program data and audio pattern mapping table;
Described audio processing module is used for according to the audio processing parameter of described MCU transmission audio signal being handled.
Described program data is the programme content classified information, and described program data and audio pattern mapping table are programme content classified information and audio pattern mapping table.
Described programme content classified information is one-level programme content classified information and/or secondary programme content classified information, and described programme content classified information and audio pattern mapping table are one-level programme content classified information and audio pattern mapping table and/or secondary programme content classified information and audio pattern mapping table.
Described program data is a channel information, and described program data and audio pattern mapping table are channel and audio pattern mapping table.
Described channel information is channel and/or channel designation, and described channel information and audio pattern mapping table are channel and/or channel designation and audio pattern mapping table.
The present invention overcomes the deficiencies in the prior art, set up the mapping table of program data and audio pattern in advance, when digital television program content character occurs changing or changes platform, system obtains the program data of current program, and search the pairing audio pattern of current program according to the corresponding relation of program data and audio pattern, adjust to current program corresponding sound effect pattern automatically.Technical scheme provided by the invention makes playing device to adjust the audio pattern according to the character or the channel of current program automatically, has simplified user's operation, makes system's hommization more, has promoted user satisfaction.
Description of drawings
The digital television receiver hardware module figure that Fig. 1 provides for the embodiment of the invention;
Fig. 2 is an embodiment of the invention flow chart.
Embodiment
Technical scheme provided by the invention is, set up the mapping table of program data and audio pattern in advance, when digital television program content character occurs changing or changes platform, system obtains the program data of current program, and search the pairing audio pattern of current program according to the corresponding relation of program data and audio pattern, adjust to current program corresponding sound effect pattern automatically.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The hardware module figure of the apparatus of digital television receiving that Fig. 1 provides for the embodiment of the invention.The cable TV signal that comes automatic network is through the tuner frequency-selecting, digital demodulator carries out demodulation to institute's selected frequency, transmit stream (TS) output stream behind demultiplexing, by isolating video data, voice data and auxiliary data behind the MPEG-2 decoder decode, video data sends PAL/NTSC system encoder to obtain the vision signal of corresponding format, voice data sends the audio processing unit to, and the sound after the processing is exported again.In this process, the figure signal such as menu that the pattern generator that can superpose produces, MCU control tuner, digital demodulator, TS stream demodulation multiplexer, MPEG-2 decoder 1, PAL/NTSC encoder, eeprom memory, audio processing unit or the like.
In the above-mentioned auxiliary data, comprised profuse information, as digital visual broadcast service information (SI).In SI, defined the relevant information of each program, the programme content classified information of describing as content descriptors and channel information or the like.
Wherein, the MPEG-2 decoder is used for parsing content descriptors from data flow, and obtains the one-level programme content classified information and the secondary programme content classified information of current programme content according to the content descriptors that parses;
Described MCU is used for searching the one-level programme labeling information and the secondary programme content classified information corresponding sound effect pattern of current programme content from the one-level programme content classified information of memory stores and audio pattern mapping table and secondary programme content classified information and audio pattern mapping table, and calls this audio pattern corresponding sound effect processing parameter and be transferred to the audio processing unit;
Described audio processing unit is used for according to the audio processing parameter of described MCU transmission voice data being handled;
Described eeprom memory is used for storing one-level programme content classified information and audio pattern mapping table and secondary programme content classified information and audio pattern mapping table.
Content descriptors (content_descriptor) in " digital TV broadcasting service information standard " as shown in Table 1, by this descriptor, digital television can be known the character of present program receiving content.Content descriptors comprises descriptor tag (descriptor_tag), and length is 8 bits, is used to discern this descriptor, and according to the Moving Picture Experts Group-2 definition, its value is 0x54; Descriptor length (descriptor_length), length are 8 bits, are used for this information of the complete reception of digital television; In the For circulation, defined N content description altogether, wherein N chooses as required, and each content description is by the one-level programme content classification (content_nibble_level_1) of 4 bits, the classification of secondary programme content (content_nibble_level_2), 4 bit user nibbles 1 (user_nibble_1) and the 4 bit user nibbles 2 (user_nibble_2) of 4 bits.Wherein, classification of one-level programme content and the classification of secondary programme content be the first order and the second level of expression expression programme content identifier respectively, and user nibble 1 and user nibble 2 are defined by the broadcaster.
Grammer Figure place Meaning
content_descriptor(){ Content descriptors
????descriptor_tag ??8 Descriptor tag
????descriptor_length ??8 Descriptor length
????for(i＝0；i＜N；i++){
????????content_nibble_level_1 ??4 The classification of one-level programme content
????????content_nibble_level_2 ??4 The classification of secondary programme content
????????user_nibble_1 ??4 User nibble 1
????????user_nibble_2 ??4 User nibble 2
???}
}
Table one
Table two-1, table two-2, table three-1 and table three-2 are the one-level programme content classification of content descriptors and the definition of secondary programme content classification.Wherein, the classification of one-level programme content is big class, the undefined programme content of 0 expression, and 1 expression film/drama, 2 expression news practical works, 3 are the performance match ..., or the like.The classification of secondary programme content is the segmentation on the basis of one-level programme content classification.With the news practical work is example, and as can be seen from the table, it is common news practical work that the secondary programme content is categorized as 0, is 1 to be news/weather forecast, is 2 to be news magazines ..., or the like.Table 2 and table 3 have been listed all listed in business information standard classification.
The classification of one-level programme content The classification of secondary programme content Describe
??0x0 ??0x0?to?0xF Undefined programme content
Film/drama:
??0x1 ??0x0 Film/drama (common)
??0x1 ??0x1 Detective/horror film
??0x1 ??0x2 Adventure movie/Western/war film
??0x1 ??0x3 Science fiction/absurdity/terror
??0x1 ??0x4 Comedy
??0x1 ??0x5 Soap opera/three handkerchief/folk custom play
??0x1 ??0x6 Romantic acute
??0x1 ??0x7 Strictly/allusion/religion/historical film/drama
??0x1 ??0x8 Adult movie/play
??0x1 0x9 to 0xE Reserve and use
??0x1 ??0xF User definition
News and current affairs:
??0x2 ??0x0 News and current affairs (common)
??0x2 ??0x1 News/weather forecast
??0x2 ??0x2 News magazine
??0x2 ??0x3 Data
??0x2 ??0x4 Discussion/chat/debate
??0x2 0x5 to 0xE Reserve and use
??0x2 ??0xF User definition
Performance/match:
??0x3 ??0x0 Performance/match (common)
??0x3 ??0x1 Match/intelligence test/contest
??0x3 ??0x2 Various performance
??0x3 ??0x3 The dialogue performance
??0x3 0x4 to 0xE Reserve and use
??0x3 ??0xF User definition
Table two-1
The classification of one-level programme content The classification of secondary programme content Describe
Physical culture:
??0x4 ??0x0 Physical culture (common)
??0x4 ??0x1 Special series (Olympic Games, world cup etc.)
??0x4 ??0x2 Sports journal
??0x4 ??0x3 Football/rugby
??0x4 ??0x4 Tennis/squash
??0x4 ??0x5 Team sport (except the football)
??0x4 ??0x6 Track and field
??0x4 ??0x7 The motor match
??0x4 ??0x8 Aquatic sports
??0x4 ??0x9 Winter sports
??0x4 ??0xA Horsemanship
??0x4 ??0xB Boxing/wushu
??0x4 0xC to 0xE Reserve and use
??0x4 ??0xF User definition
Children/teenage show:
??0x5 ??0x0 Children/teenage show (common)
??0x5 ??0x1 Kindergarten's program
??0x5 ??0x2 The entertainment in 6-14 year
??0x5 ??0x3 The entertainment in 10-16 year
??0x5 ??0x4 Information/education/school's program
??0x5 ??0x5 Cartoon/puppet show
??0x5 0x6 to 0xE Reserve and use
??0x5 ??0xF User definition
Table two-2
The classification of one-level programme content The classification of secondary programme content Describe
Music/ballet/dancing:
??0x6 ??0x0 Music/ballet/dancing (common)
??0x6 ??0x1 Rock and roll/popular
??0x6 ??0x2 Serious music/classical music
??0x6 ??0x3 Folk music/traditional music
??0x6 ??0x4 Jazz
??0x6 ??0x5 Music/opera
??0x6 ??0x6 Ballet
??0x6 0x7 to 0xE Reserve and use
??0x6 ??0xF User definition
Art/culture (no music)
??0x7 ??0x0 Art/culture (no music, common)
??0x7 ??0x1 Art of acting
??0x7 ??0x2 High art
??0x7 ??0x3 Religion
??0x7 ??0x4 People's culture/traditional art
??0x7 ??0x5 Literature and art
??0x7 ??0x6 Photography
??0x7 ??0x7 The experiment photographic/camera
??0x7 ??0x8 Broadcasting/publication
??0x7 ??0x9 New media
??0x7 ??0xA Art/cultural magazine
??0x7 ??0xB Fashion
??0x7 0xC to 0xE Reserve and use
??0x7 ??0xF User definition
Table three-1
The classification of one-level programme content The classification of secondary programme content Describe
Society/politics/economy:
??0x8 ??0x0 Society/politics/economy (common)
??0x8 ??0x1 Magazine/report/data
??0x8 ??0x2 Economy/society's report
??0x8 ??0x3 The famous person
??0x8 0x4 to 0xE Reserve and use
??0x8 ??0xF User definition
Children/teenage show: education/science/special topic:
??0x9 ??0x0 Education/science/special topic (common)
??0x9 ??0x1 Nature/animal/environment
??0x9 ??0x2 Technology/natural science
??0x9 ??0x3 Medical treatment/physiology/psychology
??0x9 ??0x4 Foreign country/tourism
??0x9 ??0x5 Society/mental science
??0x9 ??0x6 Continuing education
??0x9 ??0x7 Language
??0x9 0x8 to 0xE Reserve and use
??0x9 ??0xF User definition
Amusement:
??0xA ??0x0 Amusement (common)
??0xA ??0x1 Tourism
??0xA ??0x2 Manual
??0xA ??0x3 Racing car
??0xA ??0x4 Fat-reducing is with healthy
??0xA ??0x5 Culinary art
??0xA ??0x6 Advertisement/shopping
??0xA ??0x7 Gardening
??0xA 0x8 to 0xE Reserve and use
??0xA ??0xF User definition
Table three-2
The audio pattern that the embodiment of the invention provides comprises that standard, film, news, music, smooth and personal settings 1 are to personal settings 3.Personal settings are that the user passes through menu oneself setting, and remaining audio pattern all is that system is built-in.
The described apparatus of digital television receiving receiving digital television signal of Fig. 1, TS flows through and obtains the business information data behind the demultiplexing, and from these information datas, obtain current content descriptors, thereby obtain the one-level programme content classified information and the secondary programme content classified information of current programme content.Apparatus of digital television receiving is set up an audio pattern in inside for each one-level programme content classification, and the user can revise by menu.As shown in Table 4, for undefined programme content, generally be made as standard; For the film drama, its audio pattern just is made as film; For news and current affairs, its audio pattern just is made as news; Or the like.This set can be revised setting by the user in menu.Because 16 first classification are arranged, system needs the memory space of 16 audio patterns.
Fig. 2 classifies according to the one-level programme content for system and carries out the flow chart of audio mode switch.System at first reads current one-level programme content classified information, finds the audio pattern of this classification then from the audio pattern that the user sets according to this classified information, and the audio pattern with system is made as this pattern then.
The classification of one-level programme content Describe The audio pattern
??0x0 Undefined programme content Standard
??0x1 Film/drama Film
??0x2 News and current affairs News
??0x3 Performance/match Music
??0x4 Physical culture Standard
??0x5 Children/teenage show Smooth
??0x6 Music/ballet/dancing Personal settings 1
??0x7 Art/culture (no music) Personal settings 2
??0x8 Society/politics/economy Personal settings 3
??0x9 Children/teenage show: education/science/special topic Standard
??0xA Amusement Standard
Table four
Because the classification of one-level programme content is big class, the classification of secondary programme content is a group, and its classification to program is more detailed, therefore, all be that it is provided with an audio pattern to each secondary programme content classification, and the user can adjust.To undefined programme content, its audio pattern all is made as standard, as shown in Table 5.Mode and front that system carries out the audio mode switch according to secondary programme content classification are basic identical, just according to being that the secondary programme content is classified.Because 16 first classification are arranged, each one-level programme content classification comprises 16 secondary programme content classification, and system needs the memory space of 256 audio patterns.
The classification of one-level programme content The classification of secondary programme content Describe The audio pattern
??0x0 ??0x0?to?0xF Undefined programme content Standard
Film/drama:
??0x1 ??0x0 Film/drama (common) Film
??0x1 ??0x1 Detective/horror film Smooth
??0x1 ??0x2 Adventure movie/Western/war film Film
??0x1 ??0x3 Science fiction/absurdity/terror Film
??0x1 ??0x4 Comedy News
??0x1 ??0x5 Soap opera/three handkerchief/folk custom play Personal settings 1
??0x1 ??0x6 Romantic acute Personal settings 2
??0x1 ??0x7 Strictly/allusion/religion/historical film/drama Personal settings 3
??0x1 ??0x8 Adult movie/play Standard
??0x1 0x9 to 0xE Reserve and use Standard
??0x1 ??0xF User definition Standard
Table five
In available television channel, the content of each channel is relatively fixing, is synthesizer channel as CCTV-1, and CCTV-3 is an entertainment channel, and CCTV-5 is a sports channel, in addition, also has special music channel or the like.Like this, can all set in advance an audio pattern for each channel, form the mapping table of channel information and audio pattern, as shown in Table 6, for CCTV-1 and CCTV-2, the user is made as news with its audio pattern; For CCTV-3, the user is made as music with it ..., or the like.The user also can adjust corresponding relation wherein.
Channel Channel designation The audio pattern
??1 ??CCTV-1 News
??2 ??CCTV-2 News
??3 ??CCTV-3 Music
??4 ??CCTV-4 News
??5 ??CCTV-5 Personal settings 1
??6 ??CCTV-6 Film
??7 ??CCTV-7 Standard
??8 ??CCTV-8 Smooth
??9 ??CCTV-9 Smooth
??10 ??CCTV-10 Standard
??… ??… ??…
Table six
Like this, during each switching channels, system reads the audio pattern of this channel and is provided with, and the audio pattern of system is just more specific compared to existing technology.
The front all is according to content the audio pattern to be set, and promptly has how many classifying contents what audio patterns are just arranged, and has what channels what audio patterns are just arranged, and this scheme is to come managing channel by the audio pattern, and channel is added the audio pattern.As CCTV-1, CCTV-2, the audio pattern of CCTV-4 is a news, then adds these three channels in dpi mode, the audio pattern of CCTV-3 is a music, then adds this channel in music pattern, as shown in Table 7.The acquiescence audio pattern of all channels is a standard, has only the channel that is not mode standard just to add its corresponding pattern.
The audio pattern Channel
Standard
Film ??CCTV-6
News ??CCTV-1、CCTV-2、CCTV-4
Music ??CCTV-3
Smooth ??CCTV-8、CCTV-9
Personal settings 1 ??CCTV-5
Personal settings 2
Personal settings 3
Table seven
Thought of the present invention not only can be used for radiovisor, also can be used for DVD, sound equipment etc., as long as according to media content automatic switchover audio pattern, all within protection scope of the present invention.

Claims (10)

1, a kind of sound effect treatment method is characterized in that, described method comprises:
A, obtain the program data of current program, from program data and audio pattern mapping table, search described current program corresponding sound effect pattern;
The audio pattern of b, system is set to the audio pattern of described current program.
2, sound effect treatment method according to claim 1 is characterized in that, wherein step a specifically comprises:
A1, from data flow, parse content descriptors, and obtain the programme content classified information of current programme content according to the content descriptors that parses;
A2, from programme content classified information and audio pattern mapping table, search described current program corresponding sound effect pattern.
3, sound effect treatment method according to claim 2 is characterized in that, wherein also comprises before the step a1:
Set up the programme content classified information and audio pattern mapping table is stored in advance.
4, sound effect treatment method according to claim 1 is characterized in that, wherein step a specifically comprises:
A1, from data flow, parse the channel information of current program;
A2, from channel information and audio pattern mapping table, search described current program corresponding sound effect pattern.
5, sound effect treatment method according to claim 4 is characterized in that, wherein also comprises before the step a1:
Set up channel information and audio pattern mapping table is stored in advance.
6, a kind of playing device is characterized in that, described device comprises decoder module, MCU, memory and audio processing unit, wherein:
Described decoder module is used for parsing the program data of current program, and the program data of described current program is transferred to described MCU;
Described MCU is used for searching described current program corresponding sound effect pattern from the program data of described memory stores and audio pattern mapping table, and current program audio pattern corresponding sound effect processing parameter is transferred to described audio processing module;
Described memory is used for storing described program data and audio pattern mapping table;
Described audio processing module is used for according to the audio processing parameter of described MCU transmission audio signal being handled.
7, playing device according to claim 6 is characterized in that, described program data is the programme content classified information, and described program data and audio pattern mapping table are programme content classified information and audio pattern mapping table.
8, playing device according to claim 7, it is characterized in that, described programme content classified information is one-level programme content classified information and/or secondary programme content classified information, and described programme content classified information and audio pattern mapping table are one-level programme content classified information and audio pattern mapping table and/or secondary programme content classified information and audio pattern mapping table.
9, playing device according to claim 6 is characterized in that, described program data is a channel information, and described program data and audio pattern mapping table are channel and audio pattern mapping table.
10, playing device according to claim 9 is characterized in that, described channel information is channel and/or channel designation, and described channel information and audio pattern mapping table are channel and/or channel designation and audio pattern mapping table.
CN200810216171A 2008-09-19 2008-09-19 Sound effect processing method and playing device adopting same Pending CN101677377A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102811381A (en) * 2011-05-30 2012-12-05 宏碁股份有限公司 Method for controlling playing parameters of display device
CN103117074A (en) * 2013-01-05 2013-05-22 广东欧珀移动通信有限公司 Method and system for automatic adjustment of audio playing parameters
CN103731722A (en) * 2013-11-27 2014-04-16 乐视致新电子科技（天津）有限公司 Method and device for adjusting sound effect in self-adaption mode
CN104240738A (en) * 2014-08-28 2014-12-24 杰发科技（合肥）有限公司 Sound effect setting method and electronic device
CN104934048A (en) * 2015-06-24 2015-09-23 小米科技有限责任公司 Sound effect regulation method and device
CN105916013A (en) * 2015-12-14 2016-08-31 乐视致新电子科技（天津）有限公司 Sound effect mode selection method and equipment
WO2017113589A1 (en) * 2015-12-30 2017-07-06 深圳Tcl数字技术有限公司 Method and apparatus for sound effect mode synchronisation
CN109151563A (en) * 2018-08-31 2019-01-04 李叶 Audio intensity modifies platform automatically
CN114025231A (en) * 2021-11-18 2022-02-08 紫光展锐(重庆)科技有限公司 Sound effect adjusting method, sound effect adjusting device, chip and chip module thereof

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102811381B (en) * 2011-05-30 2016-05-04 宏碁股份有限公司 Control the method for the play parameter of display unit
CN102811381A (en) * 2011-05-30 2012-12-05 宏碁股份有限公司 Method for controlling playing parameters of display device
CN103117074A (en) * 2013-01-05 2013-05-22 广东欧珀移动通信有限公司 Method and system for automatic adjustment of audio playing parameters
CN103731722A (en) * 2013-11-27 2014-04-16 乐视致新电子科技（天津）有限公司 Method and device for adjusting sound effect in self-adaption mode
US9859859B2 (en) 2014-08-28 2018-01-02 Autochips Inc. Sound-effect setting method and electronic device
CN104240738A (en) * 2014-08-28 2014-12-24 杰发科技（合肥）有限公司 Sound effect setting method and electronic device
CN104240738B (en) * 2014-08-28 2018-05-11 杰发科技（合肥）有限公司 A kind of audio method to set up and electronic device
CN104934048A (en) * 2015-06-24 2015-09-23 小米科技有限责任公司 Sound effect regulation method and device
CN105916013A (en) * 2015-12-14 2016-08-31 乐视致新电子科技（天津）有限公司 Sound effect mode selection method and equipment
WO2017101357A1 (en) * 2015-12-14 2017-06-22 乐视控股（北京）有限公司 Sound effect mode selection method and device
WO2017113589A1 (en) * 2015-12-30 2017-07-06 深圳Tcl数字技术有限公司 Method and apparatus for sound effect mode synchronisation
CN109151563A (en) * 2018-08-31 2019-01-04 李叶 Audio intensity modifies platform automatically
CN114025231A (en) * 2021-11-18 2022-02-08 紫光展锐(重庆)科技有限公司 Sound effect adjusting method, sound effect adjusting device, chip and chip module thereof

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