CN1516172A - Audio output automatic regulation device for optical record play machine and its method - Google Patents
Audio output automatic regulation device for optical record play machine and its method Download PDFInfo
- Publication number
- CN1516172A CN1516172A CNA031147283A CN03114728A CN1516172A CN 1516172 A CN1516172 A CN 1516172A CN A031147283 A CNA031147283 A CN A031147283A CN 03114728 A CN03114728 A CN 03114728A CN 1516172 A CN1516172 A CN 1516172A
- Authority
- CN
- China
- Prior art keywords
- audible level
- voice
- audio frequency
- optical recording
- recording player
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
The present invention relates to a voice output automatic regulation device for optical record playing machine and its method. It mainly includes the following several components: voice playing portion, internal memory, microprocessor and gain regulating portion, and its method includes the following steps: fetching voide data on the inserted optical disk and acknowledging voice grade to calculate regulation time, utilizing the calculated regulation time to regulate voice grade and transferring it into loudspeaker, then according to various voice data, when the voice grade produces irregular contents, it has no need of regulating voice grade by user, the voice grade can be automatically regulated.
Description
(1) technical field
The invention relates to the audio frequency output automatic regulating apparatus and the method thereof of optical recording player, more specifically is about keep audio frequency output automatic regulating apparatus and the method thereof according to the optical recording player of the irregular audible level of the voice data of each track record with certain volume.
(2) background technology
Now, along with remarkable tonequality the popularizing of CD-R CD player on basis, audio frequency CD enjoys fulminant popularity and becomes the core of audio frequency media.
In addition, along with popularizing of portable CD player, in walking, also can listen to the music that is recorded on the CD.Be equipped with on the optical recording player and utilize variable-resistance volume to regulate button.The user can utilize above-mentioned button to operate artificially or the control far away that uses a teleswitch is regulated when play CD, outputs to loudspeaker with this enable voice signal.But existing technical, the gap and the record year volume that are recorded in the music phoneme on each track are unbalanced, so gap can take place the audible level of each track output.
Popularizing along with recent international rapid development of Internet and MP3 in addition, can be freely the song record that has different mutually audible levels/be kept on the CD, therefore when playing each song, the user must will adjust the audible level that oneself needs at every turn.
In addition, mix in same track and carried in little part of audible level and the big part, most of user aims at the big part of audible level and determines audible level, therefore almost can't hear the little part of audible level.Such as shown in Figure 1, the audible level of prelude part is very low, and the audible level of its outer part is relatively all very high.Therefore the user regulates volume according to the audible level that occupies most of track, so almost can not the low prelude part of listening to audio rank.
In view of the above, the user must directly regulate audible level at each track for the audible level of keeping whole rail of equilibrium, even also will adjust audible level in same track, therefore the user can not concentrate on listening to, and must remove to regulate one by one audible level by spended time.
(3) summary of the invention
The present invention is in order effectively to address the above problem, after its purpose is to provide the rank that a kind of affirmation is recorded in the voice data on the CD, according to the audio frequency output automatic regulating apparatus and the method thereof of the optical recording player of chronological classification or other audio frequency of the certain level of track classification back output.
For reaching above-mentioned technical task, the audio frequency output automatic regulating apparatus of optical recording player of the present invention is characterized in comprising following parts:
Voice playing portion, reading and recording on CD voice data and confirm audible level; Interior magazine receives the voice data that above-mentioned voice playing portion sends and preserves;
Microprocessor is in order to allow the voice data that is kept on the above-mentioned interior magazine regulate with the audible level output of equalization;
Gain-adjusted portion according to above-mentioned adjusting, and adjusts from the sound signal of above-mentioned voice playing portion input.
In addition, for reaching above-mentioned technical task, the audio frequency output automatic adjusting method of optical recording player of the present invention is characterized in comprising following several stages:
Phase one is on the CD that inserts, to read voice data and confirm audible level;
Subordinate phase is to utilize the audible level of above-mentioned affirmation, the calculating adjusting time;
Phase III is, utilizes the adjusting time of aforementioned calculation, regulates audible level and also is sent to loudspeaker.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is the oscillogram of an interior audible level of track in the expression prior art.
Fig. 2 is the structured flowchart according to the audio frequency output automatic regulating apparatus of the optical recording player of the specific embodiment of the invention.
Fig. 3 is the process flow diagram according to the audio frequency output automatic adjusting method of the optical recording player of the specific embodiment of the invention.
Fig. 4 a is the oscillogram of the audible level of each track of expression.
Fig. 4 b is the oscillogram of each track audible level of equalization according to specific embodiments of the invention.
(5) embodiment
Below with reference to accompanying drawing 2 to Fig. 4 describe in detail according to the audio frequency output automatic regulating apparatus of optical recording player of the present invention with and method.
Fig. 2 is the structured flowchart according to the audio frequency output automatic regulating apparatus of the optical recording player of specific embodiments of the invention.
As shown in Figure 2, the audio frequency of optical recording player of the present invention output automatic regulating apparatus comprises following parts: voice playing portion 200, clock 210, interior magazine 220, microprocessor 230 and gain-adjusted portion 240.
Above-mentioned voice playing portion 200 is reading and recording voice datas on CD.
Above-mentioned clock 210 is to calculate the current time in real time and send to interior magazine 220.
Above-mentioned interior magazine 220 is to preserve the voice data of each track that above-mentioned voice playing portion 200 reads.
Above-mentioned microprocessor 230 is to calculate the adjusting time with reference to the voice data that is kept on the above-mentioned interior magazine 220.Above-mentioned microprocessor 230 calculates above-mentioned adjusting time method two kinds: first method is certain audio power of keeping in the certain hour, and second method is to keep the maximal value of the certain audible level in the certain hour.
So, the adjusting time that microprocessor 230 utilizes said method to calculate, utilize the random time of user's appointment or with equal distribution the audible level of each track allow the user listen to.
Above-mentioned gain-adjusted portion 240 is the adjusting time that corresponding above-mentioned microprocessor 230 transmits, and changes amplification factor and adjusts audible level with this.
Fig. 3 is the process flow diagram according to the audio frequency output automatic adjusting method of the optical recording player of specific embodiments of the invention, Fig. 4 a is the oscillogram of the audible level of each track of expression, and Fig. 4 b is the oscillogram of each track audible level of equalization according to specific embodiments of the invention.
As shown in Figure 3, the microprocessor 230 that has inserted optical recording player behind the CD S300 is by user interface (not having diagram) when receiving play command S310, the voice data S320 of microprocessor 230 reading and recording on CD.
At this moment, after microprocessor 230 receives users' control audio volume command, reference record on interior magazine 220 time, calculate suitable adjustable time according to user's request according to chronological classification or track classification.
Microprocessor 230 calculated and regulated time method and have two kinds this moment, and the first is kept the method for certain audio power (audio power), and it two is peaked methods of keeping the certain audible level in the certain hour.
Certain first method of keeping audio power is to utilize following mathematical formulae 1.
Mathematical formulae 1:
Wherein, T represents initial time, takes office the power that means between the fixed certain hour t by calculating from initial time T and adjusts the adjusting time afterwards.
Keep the peaked method of the certain audible level in the certain hour in addition and can utilize following mathematical formulae 2.
Mathematical formulae 2:
X
MAX＝MAX|X(t
0)|
Wherein, X (t
0) in t
0Value be greater than t-T less than between the t, i.e. t-T＜t
0＜t.
After having calculated the adjusting time according to the method described above, the adjusting time that calculates is sent to gain-adjusted portion 240 decide gain control signal S330, adjust audible level with this.
Simultaneously microprocessor 230 is according to user's request, utilize the adjusting time of calculating in the broadcast initial stage certain hour to keep certain audible level or go out the adjusting time according to each track classified calculating after keep audible level with this.
Then, the sound signal of adjusting is sent to loudspeaker S340, originally have the audible level of gap this moment according to each track shown in Fig. 4 a, adjusted the adjusting time by said method, and the audible level of each track is transformed to impartial audible level shown in Fig. 4 b.At this moment, the user can listen to program with stable audible level.
As mentioned above, the audio frequency output automatic regulating apparatus and the method thereof of optical recording player of the present invention are according to various voice data, when audible level generates irregular content, do not need the user to adjust audible level one by one and can adjust audible level automatically yet and provide convenience to the user.
Though the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, should understand and wherein can make variations and modifications and do not break away from the present invention in a broad sense, so be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the distortion of the above embodiment.
Claims (5)
1. the audio frequency of an optical recording player is exported automatic regulating apparatus, it is characterized in that comprising with lower member:
Voice playing portion, reading and recording on CD voice data and confirm audible level;
Interior magazine receives the voice data that described voice playing portion sends and preserves;
Microprocessor is in order to allow the voice data that is kept on the described interior magazine regulate with the audible level output of equalization;
Gain-adjusted portion according to described adjusting, and adjusts from the sound signal of described voice playing portion input.
2. the audio frequency output automatic regulating apparatus of optical recording player as claimed in claim 1 is characterized in that described device also comprises the real-time clock that calculates the current time and send described interior magazine to.
3. the audio frequency of an optical recording player is exported automatic adjusting method, it is characterized in that comprising following several stages:
Phase one is on the CD that inserts, to read voice data and confirm audible level;
Subordinate phase is to utilize the audible level of described affirmation, the calculating adjusting time;
Phase III is, utilizes the adjusting time of described calculating, regulates audible level and also is sent to loudspeaker.
4. the audio frequency output automatic regulating apparatus of optical recording player as claimed in claim 3 is characterized in that described subordinate phase also comprised for the first little stage, and the described first little stage calculated the adjusting time for the track classification according to described CD.
5. the audio frequency output automatic regulating apparatus of optical recording player as claimed in claim 3 is characterized in that described subordinate phase also comprised for the second little stage, and the described second little stage was according to calculating the adjusting time in the certain hour at the initial stage of broadcast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031147283A CN1516172A (en) | 2003-01-06 | 2003-01-06 | Audio output automatic regulation device for optical record play machine and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031147283A CN1516172A (en) | 2003-01-06 | 2003-01-06 | Audio output automatic regulation device for optical record play machine and its method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1516172A true CN1516172A (en) | 2004-07-28 |
Family
ID=34239368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031147283A Pending CN1516172A (en) | 2003-01-06 | 2003-01-06 | Audio output automatic regulation device for optical record play machine and its method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1516172A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101060315B (en) * | 2006-04-21 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Sound volume management system and method |
-
2003
- 2003-01-06 CN CNA031147283A patent/CN1516172A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101060315B (en) * | 2006-04-21 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Sound volume management system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7664558B2 (en) | Efficient techniques for modifying audio playback rates | |
| US20080175411A1 (en) | Player device with automatic settings | |
| EP1781063A3 (en) | Method and apparatus for reproducing music file | |
| CN1113345C (en) | Method of reproducing audio signals and audio player | |
| US20020159607A1 (en) | Method for using source content information to automatically optimize audio signal | |
| CN102693737A (en) | Volume adjusting method and device | |
| JP5277634B2 (en) | Speech synthesis apparatus, speech synthesis method and program | |
| KR20060100285A (en) | Reproduction method, reproduction apparatus, and recording medium | |
| CN103871439B (en) | The method of a kind of audio frequency broadcasting, Apparatus and system | |
| CN1516172A (en) | Audio output automatic regulation device for optical record play machine and its method | |
| JP2003243952A (en) | Digital audio system, auto volume control factor generating method, auto volume control method, auto volume control factor generating program, auto volume control program, recording medium for recording the auto volume control factor generating program, and recording medium for recording the auto volume control program | |
| US20100013652A1 (en) | Shake responsive media player | |
| EP1519382A3 (en) | Information reproducing method, recording medium on which information reproducing program is computer-readably recorded, and information reproducing apparatus | |
| CN102592626A (en) | Intelligent management method and system for play volume of audio file | |
| CN1953047B (en) | Control system of volume range and method thereof | |
| JP2008042499A (en) | Sound volume control device and voice data reproducing device using the same | |
| CN101815114B (en) | Method for controlling acoustic gain and mobile phone capable of controlling acoustic gain | |
| US8195317B2 (en) | Data reproduction apparatus and data reproduction method | |
| JP4905190B2 (en) | Audio reproduction device, audio reproduction method, and program | |
| CN104332165A (en) | Method and device for balancing volume in portable terminal | |
| CN2653596Y (en) | MP3 voice item requesting device | |
| JP2006293697A (en) | Onboard music device | |
| CN1074849C (en) | Audio signal fidelity speed variable treatment method | |
| KR20090076298A (en) | Apparatus and method for generating multimedia data with various reproduction speed, apparatus and method for reproducing the multimedia data, and storage medium storing for thereof | |
| EP1770684A3 (en) | Automatic performance data processing apparatus, automatic performance data processing method, and computer-readable medium containing program for implementing the method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |