SMD Microphone
A SMD Microphone is a device that translates sound vibrations in the air into electronic signals and scribes them to a recording medium or over a loudspeaker.SMD Microphones enable many types of audio recording devices for purposes including communications of many kinds, as well as music vocals, speech and sound recording.SMD Microphones can be standalone or embedded in devices such as headsets and telephones.
Advantages of SMD Microphone
Better Sound Quality
With SMD Microphone, what you put into it is what you
get out of it. A high quality mic capsule well matched
to voice or instrument is the best possible way to get
quality sound. With wireless microphone, you are often
limited in the selection of mic capsules, limiting
your ability to try different microphones to find the
best match. Many wireless microphones use companding
to compress dynamic range into a small frequency
allocation. There can be a noticeable difference
between vocals and instruments on a wireless
microphone versus a SMD Microphone.
Easy operation
SMD Microphone is easy to use, just plug and play.
Also, SMD Microphone has faster setup time at sound
checks whereas wireless systems require some time to
make sure all the receivers are set to a different
channel, and to make sure there is no interference
from local TV and radio stations, or other wireless
systems in the venue. SMD Microphone’s
troubleshooting is straightforward because there are
fewer things that can go wrong. It can be addressed
immediately with a new XLR cable or a review of the
signal path.
Reliability
Wireless microphone has a higher rate of failure than
SMD Microphone. In the world of production, where so
much can go wrong, wireless introduces one more
finicky area of possible failure. Wireless
interference, intermodulation distortion and drop-outs
happen for a variety of reasons and can kill a moment
when you least expect it. As long as your cable is of
decent quality, a SMD Microphone just won't have
these issues.
No Battery Required
SMD Microphone will never run low on battery, so there
is no need to worry that your performance will be
brought to an abrupt end. As a SMD Microphone is
plugged directly into recording equipment or speaker,
it takes power straight from this source, which is
known as 'phantom' power. With wireless
microphone, the batteries may require constant
recharging if used on a constant basis.
Cost Less
SMD Microphone simply cost less. Average SMD
Microphones often amount to 1/3 the cost of the
wireless microphone if you compare apples to apples.
Why Choose Us
Quality assurance
In terms of quality assurance, the company strictly follows the standards and norms of the industry quality system. Adopt industry-leading testing equipment to ensure product quality and good reputation.
Professional service
We can accept factory inspection and goods inspection at any time. Technical discussion, research and development of new products, and complete after-sales service.
Cheap price
We have a professional purchasing team and costing team, trying to reduce costs and profits, and provide you with a good price.
Oem/odm
When you put forward your needs, our engineers will provide you with faster and more perfect customized solutions. We have a wide range of products, and we will provide technical support according to your actual needs to choose the right product for you.
Types of SMD Microphone
Dynamic Microphones
These are known for being the most rough and durable
microphones. They are usually used for live performances and
recordings because they can handle high sound pressure levels
without distortion. They are also known to be the cheapest of
all microphones.
Condenser Microphones
This type of microphones are known for their wide frequency
response. They are very sensitive and they are often used to
record vocals or acoustic instruments. Although they are
mostly used in studio settings, they can be found in a live
performance too. Keep in mind that, due to the sensitivity of
the microphone, sometimes they pick up unwanted signals from
other sources. In order to work, they require external power
that might be provided through phantom power, a power source
or an audio interface or mixer.
Ribbon Microphones
These microphones use a very thin ribbon of metal between two
magnets in order to record a sound. They are used to record
brass, strings and guitar amplifiers due to their natural
sound and warmth.
Lavalier Microphones
These are the smallest microphones. They are commonly used in
television and film production due to the ability of being
clipped-on into actors and presenters clothing. They are very
discreet and can be easily hidden.
USB Microphones
These are usually not found in any recording or live
performance environment but they are commonly used for
podcasters, streamers and voice-over workers that want a very
simple and sturdy microphone.
Shotgun Microphones
This type of microphones are usually used in video production
to capture dialogue with ambience and sound effects. They pick
up sound in a specific direction while canceling other noises
from distant sources.
The SMD Microphone is widely used, it is an electroacoustic device, which is used to convert sound into electrical signals, and is widely used in music recording, performance, broadcasting, communication and speech recognition and other fields. The basic principle of a SMD Microphone is to convert sound into an electrical signal using mechanical vibrations generated by sound fluctuations. When sound fluctuations reach the SMD Microphone, the sensor inside the SMD Microphone (usually a diaphragm or a vibrating element) is affected by the pressure change of the sound wave, which in turn generates a tiny electrical signal. This electrical signal is then amplified and transmitted to a loudspeaker, recording device, or other audio processing device for further processing. In addition, SMD Microphones can be divided into measurement SMD Microphones, vocal SMD Microphones, instrument SMD Microphones, recording SMD Microphones, etc. according to their use. According to the sound field force, it can be divided into pressure type, differential pressure type, combined type, line type, etc. According to the transmission mode of electrical signals, it is divided into wired and wireless. According to the directivity, it is divided into cardioid, sharp, supercardioid, bidirectional (figure-8), and non-directional (omnidirectional). In addition, there are electrets and, more recently, silicon SMD Microphones, liquid SMD Microphones, and laser SMD Microphones. The sound quality of the moving coil SMD Microphone is better, but it is bulky.
Components of SMD Microphone
Diaphragm
The diaphragm is a thin, flexible membrane that vibrates in
response to sound waves. When sound waves hit the diaphragm, it
moves back and forth, causing changes in air pressure.
Capsule
The diaphragm is usually part of a capsule, which also includes a
backplate. The diaphragm and backplate form a capacitor that
changes its capacitance as the diaphragm moves. This change in
capacitance is what produces the electrical signal that represents
the sound.
Housing
The capsule is housed in a protective enclosure, which also helps
to shape the microphone's frequency response and directional
characteristics.
Acoustic port
Some SMD Microphone have an acoustic port, which is a small
opening that allows sound waves to reach the diaphragm.
Electrical components
Inside the microphone housing, there are electrical components
that process the electrical signal generated by the diaphragm and
capsule. These components may include amplifiers, transformers,
and impedance converters.
Output connector
The output connector is where the electrical signal from the
microphone is sent out to be further processed or recorded. Common
types of output connectors include XLR, TRS, and USB connectors.
Mounting system
SMD Microphone are often attached to stands or mounts for
stability and positioning. Some SMD Microphone come with shock
mounts to reduce handling noise and vibrations.
Windscreen or pop filter
Some SMD Microphone come with a windscreen or pop filter to reduce
wind noise and plosive sounds (like "p" and
"b" sounds) that can distort the audio signal.
Material of SMD Microphone
Metal
Aluminum and gold-sputtered mylar are commonly used for
diaphragms in condenser microphones. These materials are
lightweight and can respond quickly to sound waves, making
them suitable for capturing high-frequency sounds with
accuracy.
Plastic
Some microphones use plastic diaphragms, such as
polyethylene terephthalate (PET) or polyethylene
naphthalate (PEN). Plastic diaphragms can be
cost-effective and offer good performance for certain
applications.
Electret
Electret material is a type of permanently charged
material that is commonly used in electret condenser
microphones. The electret material forms the diaphragm in
these microphones and helps maintain a constant charge,
which contributes to the microphone's sensitivity and
performance.
Graphene
Graphene is a newer material that is being explored for
use in microphone diaphragms due to its exceptional
strength, light weight, and excellent conductivity.
Graphene diaphragms can offer high sensitivity and low
distortion, making them suitable for high-end microphone
applications.
How to Maintain SMD Microphone
Always use a pop filter when recording vocals. This will stop the singer's spit from landing on the diaphragm. The charged diaphragm can attract saliva particles right onto the mic membrane.
Keep your mic in a plastic bag when not in use. Whether you keep the mic in its case or leave it on a stand, a plastic bag (like an unsealed sandwich bag) will stop airborne dust and the foam from windscreens and storage cases from settling on the capsule.
Keep the singer at least 6 inches away from the mic to prevent plosives from buffeting the capsule.
Never turn on the power supply for a vacuum tube condenser mic before connecting the mic.
Treat your condenser mics like valuable, fragile tools. They might be able to withstand more abuse than you expect, but they will probably last longer if you treat them with kid gloves instead of tossing them into a mic locker when you're done with them.
Use the original mic clip and/or keep the shockmount in good condition. I've seen many condenser mics do a head-first swan dive straight into a hard studio floor because the clip was damaged or inadequate for the task.
Use a suitable stand and make sure, in the case of a tripod stand, that the supporting leg is directly beneath the microphone. Even the best stand will topple if the weight of a mic is positioned between two supporting legs.
Make sure you counterbalance the microphone's weight with the ballast weight on a tripod boom. Ideally, the mic and the
counterbalance should equal each other when the mic is positioned. That way the latch is not holding up the weight of the mic. Doing this will help assure that if a clutch slips, your mic won't drop onto a player's head or instrument.
If you are using expensive condenser mics, investing in a heavy-duty, high-quality stand is like buying insurance. Don't risk your expensive mic by putting it on a cheap stand.
How SMD Microphones Work
Sound Waves
Sound is a form of mechanical energy that travels in the form of pressure waves through a medium (such as air, water, or solids). When a sound is produced, it creates compressions and rarefactions in the air, forming a pattern of pressure waves.
Diaphragm or Sensing Element
The core component of a SMD Microphones that picks up sound is the diaphragm or sensing element. The diaphragm is a thin, flexible surface usually made of materials like metal or plastic. In some SMD Microphoness, the sensing element can be a ribbon or a crystal.
Sound Wave Interaction
When sound waves reach the SMD Microphones, they interact with the diaphragm or sensing element, causing it to vibrate. The vibrations of the diaphragm correspond to the variations in air pressure caused by the sound waves.
Electrical Signal
The transduced electrical signal is a representation of the original sound waves. The amplitude of the electrical signal corresponds to the intensity or loudness of the sound, while the frequency of the signal corresponds to the pitch of the sound.
Signal Processing
The electrical signal may go through further signal processing within the SMD Microphones or externally to shape the output, filter out unwanted noise, or enhance certain characteristics.
Output
The resulting electrical signal can be amplified, recorded, or transmitted to a sound system or recording device for further processing or use.
How to Choose a SMD Microphone
Understanding Microphone Types
SMD Microphones come in different types, every kind having its
features and specific fields of its best application. Condenser
SMD Microphones, which have high sensitivity and precision, are
perfect for recording studio instruments and vocals because they
capture every sound detail, so they are best for this job. Each
time dynamic SMD Microphones are used, they deliver sound quality,
durability, and the ability to handle high sound pressure levels
that are suitable for live performances and broadcasting.
Exploring Polar Patterns
The location of the microphone and directionality are signalized
by polar patterns. Omnidirectional mics offer the same sound
reception from all sides, making them usable for recording ambient
noise or group sessions. The sound coming from the front is
highlighted in cardioid mics while the noise coming from the sides
and back is cut out, perfect for vocals or one instrument. Bi- and
shotgun directional mics allow for various movement directions
and, thus, are widely used in interviews and field recording,
being perfect for capturing specific scenes.
Considering Connectivity
SMD Microphones have different connection modes, including XLR,
USB, and wireless transmission. XLR cables grant better quality
and variability of the audio while being suitable for studio or
live sound purposes. USB SMD Microphones are the simplest ones
while set up besides mostly use the plug-and-play design so they
are great for beginners, podcasters, and home recording systems.
Wireless SMD Microphones bring freedom of movement, which is ideal
for stage shows, presentation activities, and video recording.
Assessing Frequency Response
The frequency response is the term for how well a given microphone
can distinguish different frequencies of sound. Flat frequency
response mics reproduce the audio spectrum accurately and thus can
be used to capture natural sound. Frequency-tailored modeled mics
accentuate particular frequencies that are essential to shaping
the quality of vocals or instruments, often preferred for the
sound you want to create.
How the SMD Microphone Works
Sound Waves
When you speak or make any sound near a SMD Microphones, it causes the air molecules around you to vibrate. These vibrations create sound waves that travel through the air.
Diaphragm
Inside the SMD Microphones, there is a diaphragm, which is a thin membrane that is sensitive to these sound waves. When sound waves hit the diaphragm, it vibrates in response to the changes in air pressure caused by the sound.
Transducer
The diaphragm is connected to a transducer, which can be of different types like dynamic, condenser, ribbon, etc. The transducer converts the mechanical vibrations of the diaphragm into electrical signals.
Electrical Signal
The electrical signal produced by the transducer represents the sound waves that were picked up by the SMD Microphones. This signal is usually very weak and needs to be amplified to be useful.
Amplification
The electrical signal is sent to an amplifier, which boosts the signal to a level that can be used by other audio equipment or devices. The amplifier increases the strength of the signal without distorting it.
Output
The amplified electrical signal can then be sent to various devices, such as speakers or recording equipment. If it is being sent to a speaker, the electrical signal is converted back into sound waves by the speaker, which reproduces the original sound that was picked up by the SMD Microphones.
Company Profile
Shenzhen Marquess Electronics Co., Ltd. was founded in July 2004, originating from the Japanese AOI Electric Motor Manufacturing Company as a joint venture specializing in the production of ECM (Electret Condenser Microphones).
Our Certificate
ISO 9001 2015,ISO 14001 2015,ISO 4500 12018,UL E473299,UL E473487
FAQ
Q: What is an SMD microphone?
Q: How does an SMD microphone differ from a traditional microphone?
Q: What are the advantages of using SMD microphones?
Q: What are the common applications of SMD microphones?
Q: How does an SMD microphone convert sound into electrical signals?
Q: What are the different types of SMD microphones available?
Q: Do SMD microphones require external power to operate?
Q: How are SMD microphones soldered onto a PCB?
Q: What is the frequency response of SMD microphones?
Q: Can SMD microphones be used for high-quality audio recording?
Q: Are SMD microphones sensitive to environmental factors?
Q: What is the typical size of an SMD microphone?
Q: Can SMD microphones be customized for specific applications?
Q: Do SMD microphones offer noise-canceling features?
Q: How do I select the right SMD microphone for my project?
Q: Are SMD microphones compatible with automated assembly processes?
Q: Can SMD microphones be used in harsh environments?
Q: What are the key differences between MEMS and electret SMD microphones?
Q: How do I troubleshoot common issues with SMD microphones?
Q: Are SMD microphones future-proof for evolving technology trends?