CN103489461B - Audio file play method and system, player - Google Patents
Audio file play method and system, player Download PDFInfo
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- CN103489461B CN103489461B CN201310430758.4A CN201310430758A CN103489461B CN 103489461 B CN103489461 B CN 103489461B CN 201310430758 A CN201310430758 A CN 201310430758A CN 103489461 B CN103489461 B CN 103489461B
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Abstract
The invention provides a kind of audio file play method and system, wherein, a method comprises step: read the to be played audio file establishing gain, and wherein, the gain option of described audio file attribute information arranges yield value; Detect the yield value of the gain option record in audio file attribute information; When detecting that yield value is not equal to 1, the track that the audio file of correspondence is play is multiplied by the adjusted track value of described yield value, and according to described adjustment track value displaying audio file.Also provide a kind of player in addition, by technical scheme of the present invention, above-mentioned audio file play method and system, each audio file can be made all to play with identical volume, realize volume automatically to regulate, improving volume adjusting efficiency, making user when listening to music without the need to frequently switching volume back and forth, the application strengthening user is experienced.
Description
Technical field
The present invention relates to audio frequency play-back technology, particularly relate to a kind of audio file play method and system, player.
Background technology
Along with popularizing of intelligent terminal, intelligent terminal occupies an important position in daily life, and people have got used to browsing webpage with intelligent machine, listen to the music, seeing video etc. gradually.Especially mobile product due to its compact, be convenient for carrying, become the first-selected electronic product of listening to the music.
But in use, often encounter such problem: be exactly the in different size of different song volume, before possibility, the volume of a piece of music is very little, you need mobile phone volume to adjust to maximum, arrived next song, volume becomes suddenly large, now, need to regulate volume button continually, readjust volume.Traditional volume automatic adjustment technology, mainly by electronic circuit, volume is automatically adjusted, after output source of sound, the volume responding to and regulate audio output apparatus (such as earphone, loudspeaker) is removed from circuit, generally can only be used for radio and Mp 3 player etc., but for inapplicable intelligent terminal.
As can be seen here, the above-mentioned problem playing the volume adjusting run in music process, has had a strong impact on user and has used intelligent terminal to play the volume adjusting efficiency of music, and the application reducing user is experienced.
Summary of the invention
Based on this, be necessary for the problems referred to above, provide a kind of can the audio file play method of automatic regulating volume and system, player, improve volume adjusting efficiency, the application strengthening user is experienced.
A kind of audio file play method, comprises the steps:
Read the to be played audio file establishing gain, wherein, the gain option of described audio file attribute information arranges yield value;
Detect the yield value of the gain option record in audio file attribute information;
When detecting that yield value is not equal to 1, the track that the audio file of correspondence is play is multiplied by the adjusted track value of described yield value, and according to described adjustment track value displaying audio file.
A kind of audio file Play System, comprising:
Audio file read module, for reading the to be played audio file establishing gain, wherein, the gain option of described audio file attribute information arranges yield value;
Yield value detection module, for detecting the yield value of the gain option record in audio file attribute information;
Audio file playing module, for when detecting that yield value is not equal to 1, is multiplied by the adjusted track value of described yield value by the track that the audio file of correspondence is play, and according to described adjustment track value displaying audio file.
Above-mentioned audio file play method and system, automatically broadcast sound volume is regulated by the yield value being arranged on the gain option in audio file attribute information, each audio file can be made all to play with identical volume, realize volume automatically to regulate, improve volume adjusting efficiency, make user when listening to music without the need to frequently switching volume back and forth, the application strengthening user is experienced.
A kind of audio file play method, comprises the steps:
Read the to be played audio file not establishing gain, wherein, the gain option of described audio file attribute information does not arrange yield value;
Track in described audio file playing process is collected to the sampled value of volume;
According to the yield value of described sampled value and preset target sound magnitude calculation audio file;
By in the gain option in the audio file attribute information of audio file corresponding for described yield value write;
When displaying audio file, the track that the audio file of correspondence is play is multiplied by the adjusted track value of described yield value, and according to described adjustment track value displaying audio file.
A kind of audio file Play System, comprising:
Audio file read module, for reading the to be played audio file not establishing gain, wherein, the gain option of described audio file attribute information does not arrange yield value;
Audio file sampling module, for collecting the sampled value of volume to the track in described audio file playing process;
Gain value computation module, for the yield value according to described sampled value and preset target sound magnitude calculation audio file;
Yield value writing module, in the gain option in the audio file attribute information of the audio file by described yield value write correspondence;
Audio file read module, for when displaying audio file, is multiplied by the adjusted track value of described yield value by the track that the audio file of correspondence is play, and according to described adjustment track value displaying audio file.
Above-mentioned audio file play method and system, by calculating the yield value of audio file, and the gain option write in attribute information, automatically broadcast sound volume is regulated again according to this yield value, each audio file can be made all to play with identical volume, realize volume and automatically regulate, improve volume adjusting efficiency, make user when listening to music without the need to frequently switching volume back and forth, the application strengthening user is experienced.
A kind of player, comprising: audio file Play System described above.
Above-mentioned player, by described audio file Play System, can carry out playing each audio file with identical volume, realize volume automatically to regulate, improving volume adjusting efficiency, making user when listening to music without the need to frequently switching volume back and forth, the application strengthening user is experienced.
Accompanying drawing explanation
Fig. 1 is the audio file play method process flow diagram of embodiment one;
Fig. 2 is the structural representation of the audio file Play System of embodiment one;
Fig. 3 is the audio file play method process flow diagram of embodiment two;
Fig. 4 is the structural representation of the audio file Play System of embodiment two;
Fig. 5 is the audio file play method process flow diagram of an application example.
Embodiment
Be described in detail below in conjunction with the embodiment of accompanying drawing to audio file play method of the present invention and system.
Embodiment one
Shown in figure 1, Fig. 1 is the audio file play method process flow diagram of embodiment one, comprises the steps:
Step S101, reads the to be played audio file establishing gain, and wherein, the gain option of described audio file attribute information arranges yield value.
Step S102, detects the yield value of the gain option record in audio file attribute information.
Step S103, when detecting that yield value is not equal to 1, is multiplied by the adjusted track value of described yield value by the track that the audio file of correspondence is play, and according to described adjustment track value displaying audio file.
As a kind of embodiment, audio file play method also comprises step S104, when detecting that yield value equals 1, according to current audio track value displaying audio file; Concrete, the volume that yield value equals 1 this audio file of explanation is suitable, and yield value, without the need to adjustment, therefore directly to be play by original volume.
The audio file play method of the present embodiment, in step S101, be before broadcasting music, read the audio file having established gain, this yield value is that the broadcasting gain added in the attribute description section of audio file describes, it is the process to source file, but do not revise the data division of audio file, do not damage audio file, the volume that this yield value can compare adaptation according to listener during displaying audio file is determined, in addition, also can obtain according to the daily volume statistics of listener.In step s 102, be the yield value of the gain option record detected in the audio file attribute information that read, generally, this yield value is divided into and is equaled 1 or be not equal to 1 two states.In step s 103, yield value is not equal to the audio file of 1, in playing process, the track of broadcasting is multiplied by the adjusted track value of yield value, to regulate track value displaying audio file.
The audio file play method of the present embodiment, automatically broadcast sound volume is regulated by the yield value being arranged on the gain option in audio file attribute information, when utilizing the player of player method of the present invention to carry out displaying audio file, each audio file is all play with identical volume, make user when displaying audio file, without the need to frequently switching volume back and forth, realizing volume and automatically regulating.
Based on above-mentioned audio file play method, the present invention also provides a kind of with its audio file Play System one to one.
Shown in figure 2, Fig. 2 is the structural representation of the audio file Play System of embodiment one, mainly comprises:
Audio file read module 201, for reading the to be played audio file establishing gain, wherein, the gain option of described audio file attribute information arranges yield value;
Yield value detection module 202, for detecting the yield value of the gain option record in audio file attribute information;
Audio file playing module 203, for when detecting that yield value is not equal to 1, is multiplied by the adjusted track value of described yield value by the track that the audio file of correspondence is play, and according to described adjustment track value displaying audio file.
As a kind of embodiment, also comprise the live module 204 of audio file, for when detecting that yield value equals 1, according to current audio track value displaying audio file.
Embodiment two
Shown in figure 3, Fig. 3 is the audio file play method process flow diagram of embodiment two, comprises the steps:
Step S301, reads the to be played audio file not establishing gain, and wherein, the gain option of described audio file attribute information does not arrange yield value.
Step S302, collects the sampled value of volume to the track in described audio file playing process.
Step S303, according to the yield value of described sampled value and preset target sound magnitude calculation audio file.
Step S304, by the gain option in the audio file attribute information of audio file corresponding for described yield value write.
Step S305, when displaying audio file, is multiplied by the adjusted track value of described yield value by the track that the audio file of correspondence is play, and according to described adjustment track value displaying audio file.
As a kind of embodiment, the step of the yield value of the calculating audio file of step S303, can comprise as follows:
First, utilize preset target sound value to adjudicate described sampled value, determine the high-value in sampled value, median and low-value; Concrete, a preset suitable volume value V
pas target sound value, this value can compare adaptation volume value by counting most people is determined, also can obtain according to the daily volume statistics of listener, usually can be set to about 40 decibels.When playing, a volume sampling can be carried out every 100ms and obtaining sampled value.When sampled value is higher than target sound value V
p110% time, the sampled value of this sampled point is divided into high-value H; When sampled value is in target sound value V
p[110%, 90%] time, be divided into median M; When volume value is lower than target sound value V
p90% time, be divided into low-value L.
After the treatment, the gain coefficient corresponding respectively according to high-value, median and low-value and sampling number calculated gains value thereof, comprising:
M＝(α·Hn+β·Mn+γ·Ln)/(Hn+Mn+Ln)
In formula, M is yield value, and α is the gain coefficient that high-value is corresponding, and β is the gain coefficient that median is corresponding, and γ is gain coefficient corresponding to low-value, and Hn, Mn, Ln are respectively the sampling number of high-value, median and low-value.α, β, γ can determine according to practical situations, such as, and α=1.5, β=1, γ=0.5.
As another kind of embodiment, the step of the yield value of the calculating audio file of step S303, can also comprise as follows:
Calculate the volume equilibrium value of audio file according to described sampled value and sampling number thereof, comprising:
V
0＝(V
1+V
2+…+V
n)/n
In formula, V
0for volume equilibrium value, n is sampling number, V
1, V
2..., V
nfor the sampled value of reference numeral;
According to the yield value of volume equilibrium value and preset target sound magnitude calculation audio file, comprising:
M＝V
0/V
p
In formula, M is yield value, V
0for volume equilibrium value, V
pfor preset target sound value.
The audio file play method of the present embodiment, before broadcasting music, read the audio file not establishing gain, by in this audio file process of broadcasting, track is sampled, utilize sampled value and the suitable yield value of preset target sound magnitude calculation, then this yield value is added in the attribute description section of audio file in the mode playing gain description, source file is modified process, but do not revise the data division of audio file, do not damage audio file, established the audio file of yield value, play for user.Above-mentioned mention sampling time playing process, can be carry out when user plays this audio file first, also can be processed by advance set-up mode.After yield value is arranged, in playing process, the track of broadcasting is multiplied by the adjusted track value of yield value, to regulate track value displaying audio file.
The audio file play method of the present embodiment, by calculating the yield value of audio file, and the gain option write in attribute information, automatically broadcast sound volume is regulated again according to this yield value, when utilizing the player of player method of the present invention to carry out displaying audio file, each audio file is all play with identical volume, makes user when displaying audio file, without the need to frequently switching volume back and forth, realizing volume and automatically regulating.
Based on above-mentioned audio file play method, the present invention also provides a kind of with its audio file Play System one to one.
Shown in figure 4, Fig. 4 is the structural representation of the audio file Play System of embodiment two, mainly comprises:
Audio file read module 401, for reading the to be played audio file not establishing gain, wherein, the gain option of described audio file attribute information does not arrange yield value;
Audio file sampling module 402, for collecting the sampled value of volume to the track in described audio file playing process;
Gain value computation module 403, for the yield value according to described sampled value and preset target sound magnitude calculation audio file;
Yield value writing module 405, in the gain option in the audio file attribute information of the audio file by described yield value write correspondence;
Audio file read module 406, for when displaying audio file, is multiplied by the adjusted track value of described yield value by the track that the audio file of correspondence is play, and according to described adjustment track value displaying audio file.
As a kind of embodiment, described gain value computation module 403 can be further used for:
Utilize preset target sound value to adjudicate described sampled value, determine the high-value in sampled value, median and low-value;
The gain coefficient corresponding respectively according to high-value, median and low-value and sampling number calculated gains value thereof, comprising:
M＝(α·Hn+β·Mn+γ·Ln)/(Hn+Mn+Ln)
In formula, M is yield value, and α is the gain coefficient that high-value is corresponding, and β is the gain coefficient that median is corresponding, and γ is gain coefficient corresponding to low-value, and Hn, Mn, Ln are respectively the sampling number of high-value, median and low-value.
In addition, described gain value computation module 403 also can be further used for:
Calculate the volume equilibrium value of audio file according to described sampled value and sampling number thereof, comprising:
V
0＝(V
1+V
2+…+V
n)/n
In formula, V
0for volume equilibrium value, n is sampling number, V
1, V
2..., V
nfor the sampled value of reference numeral;
According to the yield value of volume equilibrium value and preset target sound magnitude calculation audio file, comprising:
M＝V
0/V
p
In formula, M is yield value, V
0for volume equilibrium value, V
pfor preset target sound value.
In order to more clear technical scheme of the present invention, lift the application example of an audio file play method below.
Shown in figure 5, Fig. 5 is the audio file play method process flow diagram of an application example, comprises the steps:
Step S501, reads audio file to be played.
Step S502, judges whether there is yield value M in audio file, if so, enters step S503, if not, enter step S505.
Step S503, judges whether yield value M equals 1, if so, enters step S504, if not, enters step S508.
Step S504, play-overs audio file.
Step S505, samples to the audio file play.
Step S506, calculated gains value M.
Step S507, writes yield value M in audio file.
Step S508, reads yield value M.
Step S509, calculates track value, according to track value displaying audio file according to yield value M.
Based on above-described embodiment one. the audio file Play System in embodiment two, the invention provides a kind of player, may be used for displaying audio file, it comprises the audio file Play System in embodiment one and/or embodiment two, by above-mentioned audio file Play System, player of the present invention, can carry out playing each audio file with identical volume, realize volume automatically to regulate, improve volume adjusting efficiency, make user when listening to music without the need to frequently switching volume back and forth, the application strengthening user is experienced.
In addition, the switch enabled and play gain can also be set in player, when not needing to carry out volume adjusting, close this volume adjusting function, can select flexibly for user provides, enhancing the experience of user.
Audio file play-back technology of the present invention, without the need to arranging any electronic circuit, the broadcasting of various intelligent terminal to audio file can be realized, the volume that automatic adjustment is play, and be volume gain value by audio file attribute information, realize the automatic regulation function of displaying audio file, before audio file plays output, the audio file source read is added to the adjustment of gain, but any change is not made for audio playback sources file, and technology of the present invention, only the audio file needing volume automatically to regulate is processed, relative to processing mode after output source of sound, all can not process the source of sound of all output, applied range, practicality is better, the application more meeting user is experienced.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (6)
1. an audio file play method, is characterized in that, comprises the steps:
Read the to be played audio file not establishing gain, wherein, the gain option of described audio file attribute information does not arrange yield value;
Track in described audio file playing process is collected to the sampled value of volume;
According to the yield value of described sampled value and preset target sound magnitude calculation audio file;
By in the gain option in the audio file attribute information of audio file corresponding for described yield value write;
When displaying audio file, the track that the audio file of correspondence is play is multiplied by the adjusted track value of described yield value, and according to described adjustment track value displaying audio file.
2. audio file play method according to claim 1, is characterized in that, the step of the described yield value according to described sampled value and preset target sound magnitude calculation audio file comprises:
Utilize preset target sound value to adjudicate described sampled value, determine the high-value in sampled value, median and low-value;
The gain coefficient corresponding respectively according to high-value, median and low-value and sampling number calculated gains value thereof, comprising:
M＝(α·Hn+β·Mn+γ·Ln)/(Hn+Mn+Ln)
In formula, M is yield value, and α is the gain coefficient that high-value is corresponding, and β is the gain coefficient that median is corresponding, and γ is gain coefficient corresponding to low-value, and Hn, Mn, Ln are respectively the sampling number of high-value, median and low-value.
3. audio file play method according to claim 1, is characterized in that, the step of the described yield value according to described sampled value and preset target sound magnitude calculation audio file comprises:
Calculate the volume equilibrium value of audio file according to described sampled value and sampling number thereof, comprising:
V
0＝(V
1+V
2+…+V
n)/n
In formula, V
0for volume equilibrium value, n is sampling number, V
1, V
2..., V
nfor the sampled value of reference numeral;
According to the yield value of volume equilibrium value and preset target sound magnitude calculation audio file, comprising:
M＝V
0/V
p
In formula, M is yield value, V
0for volume equilibrium value, V
pfor preset target sound value.
4. an audio file Play System, is characterized in that, comprising:
Audio file read module, for reading the to be played audio file not establishing gain, wherein, the gain option of described audio file attribute information does not arrange yield value;
Audio file sampling module, for collecting the sampled value of volume to the track in described audio file playing process;
Gain value computation module, for the yield value according to described sampled value and preset target sound magnitude calculation audio file;
Yield value writing module, in the gain option in the audio file attribute information of the audio file by described yield value write correspondence;
Audio file read module, for when displaying audio file, is multiplied by the adjusted track value of described yield value by the track that the audio file of correspondence is play, and according to described adjustment track value displaying audio file.
5. audio file Play System according to claim 4, is characterized in that, described gain value computation module, is further used for:
Utilize preset target sound value to adjudicate described sampled value, determine the high-value in sampled value, median and low-value;
The gain coefficient corresponding respectively according to high-value, median and low-value and sampling number calculated gains value thereof, comprising:
M＝(α·Hn+β·Mn+γ·Ln)/(Hn+Mn+Ln)
In formula, M is yield value, and α is the gain coefficient that high-value is corresponding, and β is the gain coefficient that median is corresponding, and γ is gain coefficient corresponding to low-value, and Hn, Mn, Ln are respectively the sampling number of high-value, median and low-value;
Or
Calculate the volume equilibrium value of audio file according to described sampled value and sampling number thereof, comprising:
V
0＝(V
1+V
2+…+V
n)/n
In formula, V
0for volume equilibrium value, n is sampling number, V
1, V
2..., V
nfor the sampled value of reference numeral;
According to the yield value of volume equilibrium value and preset target sound magnitude calculation audio file, comprising:
M＝V
0/V
p
In formula, M is yield value, V
0for volume equilibrium value, V
pfor preset target sound value.
6. a player, is characterized in that, comprising: the audio file Play System as described in claim 4 or 5.
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| CN201310430758.4A CN103489461B (en) | 2013-09-18 | 2013-09-18 | Audio file play method and system, player |
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| CN103489461B true CN103489461B (en) | 2016-03-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104332165B (en) * | 2014-04-23 | 2017-06-27 | 广州三星通信技术研究有限公司 | For the method and apparatus of the balance volume in portable terminal |
| CN104363510B (en) * | 2014-10-29 | 2019-04-30 | 深圳市金立通信设备有限公司 | A kind of playback terminal |
| CN106293606A (en) * | 2016-08-16 | 2017-01-04 | 微鲸科技有限公司 | Sound-volume control system and method for controlling volume |
| CN107181871B (en) * | 2017-06-15 | 2020-10-02 | 维沃移动通信有限公司 | Volume adjusting method and mobile terminal |
| CN113553024A (en) * | 2021-07-30 | 2021-10-26 | 深圳康佳电子科技有限公司 | Volume configuration method of split screen window, storage medium and terminal equipment |
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| KR20060026557A (en) * | 2004-09-21 | 2006-03-24 | 엘지전자 주식회사 | Auto volume controller of digital audio apparatus and method thereof |
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| CN1964187A (en) * | 2005-11-11 | 2007-05-16 | 鸿富锦精密工业（深圳）有限公司 | A system and method to manage sound volume |
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