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Beats By Dre 2017 Deals & Sales | Headphones, Earphones & Speakers

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  • Monitor the difference between headphones and ordinary headphones

    Listen to headphones is not added to the sound rendering headphones, is relative to the high-fidelity headphones in terms of. By listening to headphones, you can hear the most close to the real, without any modification of the sound quality. We in daily life, often use the headset to listen to music, listening to English, listening to radio, etc., so that both can properly relax themselves, but also to prevent disturbing others, beats by dre studio visible headphones or very large. But different headphones will have different effects, then the difference between listening headphones and ordinary headphones What is the difference between listening headphones and ordinary headphones: meaning different. Listen to headphones is not added to the sound rendering headphones, is relative to the high-fidelity headphones in terms of. By listening to headphones, you can hear the most close to the real, without any modification of the sound quality. Ordinary beats earphones headphones for civilian consumption, used to listen to music, listen to radio, watch movies.

    Monitor the difference between headphones and ordinary headphones: sound quality is different. Listen to headphones compared to ordinary headphones is almost no sound rendering and not completely added no sound of the headset. Because the monitor headphones have a wide frequency response, faster features, so listen to headphones to a great extent to improve the degree of sound reduction, enhanced sound fidelity. While the ordinary headset is usually added beats by dre on sale to the sound rendering landscaping, so that the sound sounds more beats by dre on sale pleasant.

    Monitor the difference between headphones and ordinary headphones: use different. Monitor headphones due to the sound of the strong fidelity, sound insulation, sound sensitivity, high impedance, small, good performance and other characteristics of a wide range of applications for on-site return, shrinkage monitoring, broadcast monitoring, PA monitoring, dedicated monitoring, to improve the degree of recognition of voice. Ordinary headphones because it is sound through the rendering, generally used to listen to music, watching movies, playing games and other entertainment.

    Monitor the difference between headphones and ordinary headphones: comfort is different. Monitor headphones In order to ensure good air tightness, the general use of durable materials, so wear comfortable in general; ordinary headphones smaller size, in order to carry convenient, generally more light and wear comfort than listening to headphones. Of course, this is no absolute boundaries, wearing comfort that is to vary from person to person.

    2017-08-22 11:28:12
  • Equalizer use also pay attention to "timing", clever use of trick!

    Now a professional audio system is a lot of equipment to work together, and in the professional audio system installation and commissioning process, in order to better show the best sound quality, sound engineering companies will be equipped with equalizer. Many friends can not help but ask: What is the equalizer? What is its role in the sound system? How to use equalizer reasonably?

    What is an equalizer?

    An electronic device that can adjust the amount of electrical signals of various frequency components separately, beats earbuds compensates and modifies the sound source and other special effects by adjusting the electrical signals of different frequencies to compensate for the defects of the loudspeakers and sound fields. Equalizer on the platform can only be high frequency, intermediate frequency, low frequency three frequency electrical signal were adjusted.

    The role of the equalizer

    The first is to get a flat frequency response.

    That is, in the sound field in the range of human hearing (20Hz - 20KHz) the frequency of each band neither peak nor trough. This requires a dedicated test equipment to complete, the sound field within the raised band for attenuation, the fall of the band for the upgrade, and ultimately get a flat frequency response.

    The second is to adjust the subjective sense of sound loudness.

    Under normal circumstances, the human ear in the small volume is often more sensitive to the feeling of IF, we need to do the appropriate low-frequency and intermediate frequency, so as to achieve the balance of subjective loudness.

    Thirdly, it is a whistle that suppresses the microphone.

    The whistle is due to the formation of a larger peak in a band, the band can be greater attenuation after the whistle.

    The role of the band and the characteristics of the tone

    Different people and different instruments will be issued with their own characteristics of the sound, the so-called "own characteristics" is the sound, he and the frequency of vibration source.

    20 ~ 200Hz: audible sound in the low frequency band, including the bass instrument base frequency components, while power, car and air conditioning noise also exists in this band.

    200 ~ 500Hz: low frequency band, giving warmth, fullness, overall sense and other subjective feelings, and many of the fundamental frequency of musical instruments are in this band.

    500 ~ 1500Hz: frequency band, a horn-like color, nasal sounds in the band.

    1500 ~ 7000Hz: high-frequency band, giving a "presence", a sharp, clear and clear subjective feelings.

    7000 ~ 20000Hz: high cheap beats by dr dre frequency band, giving a glorious, relaxed and crisp and other subjective feelings.

    Equalizer use and precautions

    Although the use of equalizer can improve the sound quality. But if you use the same bad sound damage, the following talk about how to use equalizer and some precautions.

    (1) in the actual work to first understand the sound source sound, according to the subjective evaluation of listening to determine the frequency to adjust, roughly determine the frequency adjustment range, the beats by dre sale frequency of the gain to the maximum, in order to monitor; Frequency method to gradually narrow the frequency range, when the confirmation of a certain frequency point tone in line with the adjustment intention, to determine the frequency. Then, the frequency gain is gradually reduced, when the hearing frequency balance ratio is appropriate to determine the loudness, careful monitoring, to confirm whether other bands need to be adjusted until satisfied.

    According to the Fourier series we can see that a non-sine wave is the sum of several sine waves, so in the adjustment of the balance should be based on the relationship between the fundamental and harmonic overall consideration tone characteristics, as far as possible to reflect the music The whole picture. In the frequency of a musical instrument when the balance, by increasing or decreasing the frequency can not be effective, the need for each frequency were processed. Only to give full play to the full range of audio frequency of the role of coordination, in order to reflect the musical instrument characteristics.

    (2) When the equalizer is used for high levels, it is possible to cause distortion because the increase in frequency is increased, especially when the boosted frequency is close to the maximum allowable level, such as the signal level itself is close or reaching maximum Output status, in the music in progress, those who are promoted to the frequency is very easy to cause transient distortion, it should avoid the situation of overload.

    (3) The equalizer also changes the phase response of the signal. Since the change in the phase response is non-linear, the transient of the sound is blurred, and the more the equilibrium is changed, the more severe it cheap beats by dre is, so avoid excessive improvement or attenuation. The microphone itself is an equalizer, so the microphone's directivity and sensitivity will change with the frequency changes. The placement of a microphone corresponds to a balanced setting, so it is important to choose the correct microphone and the correct orientation. The equalization of the microphone should be as much as possible with the equalization required by the signal to be processed to reduce the phase change caused by excessive equalization.

    (4) When the equalization process is performed, there is a case where the sound of the tuned channel is often adjusted and the sound of the other signal is adjusted before the other sound is adjusted. A significant sound signal has been prominent because of the other channel signal does not become prominent, and therefore have to be a certain increase, which will cause the overall level of improvement, or even overload phenomenon, then the attenuation can be used instead of ascension. For example, if a sound is too vague, turbid, can be attenuated in the low frequency to achieve the purpose of increasing the high frequency components, so that the sound becomes clear.

    (5) because many of the fundamental frequency of the instrument in the low frequency band, and the fundamental frequency to determine the tone, so the use of narrowband equalization should be extra careful, because the low frequency, intermediate frequency of excessive promotion will make the tone change, narrowly balanced Will produce cattle sound dyeing, so in dealing with softer instruments should choose broadband equalizer. Broadband equalizer is mainly used to improve a wide range of frequency response defects, narrowband equalization is used to deal with special frequency band frequency response problem.

    (6) in the multi-track recording, especially in time constraints, should not hastily adjust the equalizer, should be slowly adjusted in the post-production. Do not use the equalizer, a lot of sound without equalizer has been very good, with the equalizer but will lose the original sound. Equalizer on the sound of the main role is to polish, only when really need to use, keep the sound of nature is the best.

    2017-08-21 11:13:24
  • Protect your hearing! Talking about healthy use of headphones

    Time flies, become a professional headset editing blink of an eye has been almost two years, in the past two years, audition used a lot of headset products. As the work needs, every day in the work will be used headphones products, so I also pay special attention to the health problems with the ears. Headphones are a kind of playback equipment, mainly used in people multimedia playback or enjoy music. As the release source and the ear closer, such as improper use, it is easy to cause hearing loss or ear disease. Water can also carry the boat can also be over the boat, the correct use of headset products, allowing users to enjoy the fun of music, on the contrary bad habits will lead to hearing loss and other issues. As people live in the space of the work space smaller, the use of headphones more and more users, this problem is more and cheap beats more serious. This article will talk about the use of headphones, including the headset to buy, use, collection of several aspects, these are the author after the work of some of the experience, we can look together. In addition, if you have any experience with healthy use of headphones, also welcome to publish in the article below the comments with everyone to share. From the market point of view, the vast majority of headset users, the use of portable audio equipment, such equipment to carry convenient, with simple. Of course, since it is the use of portable equipment, most of the time is listening to the outside, if you do not pay attention when used, will cause a lot of problems.

    With the development of the city, noise pollution has gradually attracted people's attention. In the outdoor listening time, people get rid of noise interference problems, most people choose the method is to improve the volume of the headphones, so that the damage to the human ear is very great. The use of headphones caused by hearing loss is the most important reason is the long time the volume is too large, causing the ear can not be restored damage. The city's outdoor noise is no small, and improve the headset volume, it means that the volume of the headset has been even greater than the external noise, the sound of the damage caused by the ear is very obvious. There are two ways to avoid this problem, one is to pay attention to the volume of outdoor listening, the player's volume do not tune beats by dre wireless too much, use this method, the problem is that you can not enjoy too pure music outside, but can have Melody accompanied by it. Another way to solve the problem is to use active or passive noise reduction headphones, these products can beats by dr dre effectively reduce the interference of external noise, improve the quality of the user's outdoor listening. Use active or passive noise reduction headphones, pay attention to the safety of travel. Above mentioned in the active and passive noise reduction headphones, passive noise reduction headphones is the ear ear, this ear is now the market hot spots. For such products, many people think that is harmful to hearing health, and some people think that is intended to ensure hearing, here on a separate description of such products.

    The so-called passive noise reduction technology, refers to the passive way to block the interference of external noise. Ear ear plugs into the ear canal through the ear plugs, effectively preventing the outside noise. Ear earplugs for hearing there is no damage, this should be relative to ordinary earplugs. In the use of earplugs, because the ear earphones than ordinary earplugs can better noise, so as long as a small volume can be able to achieve very good results, from this point of view ear earphones than ordinary earplugs but more Protect hearing. But because of the ear ear plugs into the ear canal part, this on the health of the ear canal caused a great impact. The biggest problem with the ear ear is the health problem, the ear part of the earpiece is to be inserted into the external auditory canal, which can not help but bring some dust and the like debris. Many friends do not use the earbuds when the earplugs will be free to put, this is not desirable, to the ear earplugs to a dedicated portable beats earphones box or portable bag. The second is the ear earplugs is best not to share with others, because it will make the possibility of cross-infection of ear canal disease greatly increased. The last is the earplugs on the ear sleeve is best to regularly clean up or replace. Ear-ear earplugs are revolutionary products of earplugs that can be better protected if used properly, but if you can not maintain the hygiene of earplugs, the damage to the ear is also great. In addition to health problems, the use of ear ear plugs also require users to use a smaller volume, so as to effectively ensure the user's hearing health. A set of mature headphones playback equipment, pay attention to the system with, rather than just concerned about the headset only. Do not pay attention to with the structure, that is, the sound quality of the headset itself does not come out, the actual sense of feeling is the sound of muddy, separated sense of lack of. Faced with this problem, the use of the method to improve the volume is very unwise. In fact, the essence of this problem is the sound source and headset with improper. Headphones such products play sound when the need to sound source to drive, if the sound source thrust is too small, and the headset sensitivity is too low, the impedance is too high, then the effect of headphones naturally come out. In this case, many friends choose to adjust the volume of the big source, in fact, even if the performance of such headphones is only a greater voice, and not come out of the expected effect. How to solve this problem? That is, in the purchase of headset products at the same time with their own source, to the actual attempt, if the player can display a small volume of the music effect, it shows that music and headset with properly. Also in their own audio system, adding amp equipment, is also a good solution. Here to remind the public headset users, with the increase in the amount of volume to enhance the effect of headphones is a significant damage to the hearing of the ears.

    2017-08-16 11:25:55
  • Secret amplifier and speaker the best configuration ratio

    In the field of professional sound reinforcement, the configuration of audio equipment is very elegant, which is the amplifier and speaker configuration is the most important, although some speakers use instructions to the user recommended the power amplifier with a specific grade or model, but still There are limitations, because users often face a lot of models of power amplifier, no way to start.

    Amplifier and speaker configuration involves many aspects, such as power amplifier grades, power tube type selection and low sensitivity speaker should be configured which amplifier and so on. Amplifier and speaker specific configuration, in general, with the designer's experience, hobbies, listening habits and other factors, it is difficult to find a unified standard.

    Sometimes we will encounter some users or designers in order to save money often give speakers to configure a smaller power amplifier, and some users for the so-called "power reserve sufficient" to the speaker configuration a very high power amplifier. Obviously, this is not appropriate. It is important that this configuration will cause damage to the equipment. In the amplifier and speaker configuration, the power amplifier is indeed the key, that is, the power amplifier to determine the principle should be unified.

    We all know that in the hall after the acoustic design, the need to determine the speaker power according to a series of calculations, and then by the speaker power to determine the power amplifier, but whether the two power matching to achieve the best match?

    First of all, in the human ear to listen to the domain of 20Hz ~ 20kHz, the real focus on a large number of energy music signal is generally in the low, frequency band, and high-frequency energy is only equivalent to medium and low frequency energy 1 / So the general speaker treble loss power is much lower than the bass speaker, in order to high and low bass balance; and the amplifier is like a current modulator, its input audio signal under the control of the output size of the different current to the speaker to make the size Different sounds, in a certain impedance conditions, to make the nominal power beats by dre of 200W amplifier to 400W or several times the output is beats earphones actually very easy, but the beats by dre sale amplifier distortion (THD) will be greatly increased, this distortion is mainly produced in the In the low-frequency signal in the high-frequency harmonics, the greater the distortion, high-frequency harmonic energy is greater, and these high-frequency distortion signal will be with the high-frequency music signal into the treble head, which is why low-power amplifier The loudspeaker will cause the loudspeaker.

    And in many people's concept, as long as the power amplifier power, it is possible to burn the speaker. Although some amplifiers are not distorted, but because the device configuration has been inherently deficient, distortion may occur in use, then the distortion indicates that it has lost its meaning. Moreover, due to the user's experience and quality constraints, power amplifier distortion is often easy to be ignored.

    Second, the power amplifier and speaker power configuration and target loudness and the use of the occasion also have a certain relationship. In a certain target loudness, the music signal should be dynamic in each piece of equipment can be fully guaranteed, if the power amplifier is too large, the gain is set very small, loudness has reached the requirements, but then the gain of the amplifier is limited The dynamic range of the signal.

    Therefore, the power amplifier power can not be too large; otherwise, since the waste of spending, will bring loudness and music dynamic can not take into account and the heavy load of the trouble. According to past experience, the general language, music and sound places and large dynamic disco and other places are different. There is a general sound of the signal from the small ups and downs, do not need a long time or soon to provide a large current amplifier to the beats by dre sale speaker, so the power amplifier should be stronger than the requirements of a strong large dynamic amplification of the power of the place to be small;

    In addition, the so-called "power reserve" should also be for the speaker, it is worth noting that the amplifier must be selected by the speaker, there should be no "power reserve" concept to configure the amplifier. In other words, in a certain target loudness, the speaker can be larger than the design value, for different purposes, and the power amplifier should be strictly determined by the speaker, not much flexibility.

    In short, the amplifier and speaker power configuration of the specific criteria should be: in a certain impedance conditions, the amplifier power should be greater than the speaker power, but not too much. In general applications where the amplifier will not be the distortion of the nominal power of 1.2-1.5 times the power; and in large dynamic occasions should be about 1.5-2 times.

    2017-08-15 11:30:20
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