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Knowles |
MICROPHONE |
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Knowles |
MICROPHONE |
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PUI Audio, Inc. |
MIC COND ANALOG OMNI -45DB 4MM D |
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Knowles |
MICROPHONE |
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Knowles |
MICROPHONE COND ANALOG OMNI |
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PUI Audio, Inc. |
MIC COND ANALOG OMNI -45DB 4MM D |
0 |
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Knowles |
MICROPHONE COND ANALOG OMNI |
0 |
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Knowles |
MICROPHONE COND ANALOG OMNI |
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Knowles |
MICROPHONE COND ANALOG OMNI |
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Knowles |
MICROPHONE |
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PUI Audio, Inc. |
MICROPHONE COND ANALOG OMNI |
0 |
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Knowles |
MICROPHONE |
0 |
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Knowles |
MIC COND ANALOG OMNI 2.57MM D |
0 |
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Knowles |
MICROPHONE MEMS MCILRATH-Z |
0 |
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PUI Audio, Inc. |
MIC COND ANALOG OMNI -44DB |
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Knowles |
MICROPHONE COND ANALOG UNI -52DB |
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Knowles |
FG SERIES MICROPHONE |
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BOOM ASSEMBLY |
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Knowles |
BOOM ASSEMBLY |
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Knowles |
MICROPHONE |
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Microphones are electroacoustic transducers that convert sound waves into electrical signals. As critical components in audio systems, they play essential roles in communication, entertainment, and professional audio production. Modern microphones leverage advanced materials and signal processing technologies to achieve high fidelity, noise reduction, and directional control.
| Type | Functional Features | Application Examples |
|---|---|---|
| Dynamic Microphones | Robust design, high durability, passive operation | Live performances, vocal recording |
| Condenser Microphones | High sensitivity, wide frequency response, requires phantom power | Studio recording, broadcasting |
| Ribbon Microphones | Velvety frequency response, figure-8 polar pattern | Instrument recording, vintage audio production |
| USB Microphones | Digital output, plug-and-play convenience | Podcasting, home studios |
| Electret Microphones | Compact size, low power consumption | Mobile devices, hearing aids |
Typical microphone construction includes: - Diaphragm assembly (vibrating element) - Transducer mechanism (coil/magnet system or capacitor plates) - Pre-amplifier circuitry - Housing with acoustic ports - Connector interface (XLR, USB, etc.) Professional models often feature shock-mounted capsules and multi-layer grilles for mechanical noise isolation.
| Parameter | Description | Typical Range |
|---|---|---|
| Frequency Response | Audio spectrum reproduction capability | 20Hz-20kHz (human hearing range) |
| Sensitivity | Signal output level per sound pressure | 10-50 mV/Pa |
| Directionality | Polar pattern characteristics | Omnidirectional, Cardioid, Figure-8 |
| Impedance | Electrical resistance rating | 48-200 (low impedance) |
| Signal-to-Noise Ratio | Desired signal vs. background noise | 60-80 dB |
Primary industries include: - Music production (studio recording, live sound reinforcement) - Broadcast media (television, radio, podcasting) - Conference systems (video conferencing, court reporting) - Consumer electronics (smartphones, VR headsets) - Industrial monitoring (ultrasonic testing, noise mapping) Typical equipment: Digital audio workstations, wireless lavalier systems, measurement microphones.
| Manufacturer | Product Series | Key Features |
|---|---|---|
| Shure | SM58/Beta58 | Industry-standard vocal microphones |
| Neumann | U87i | Studio condenser reference model |
| AKG | C414 XLII | Multipattern studio microphone |
| Sennheiser | MKH 416 | Shotgun mic for film production |
| Rode | NT1-A | Studio package with USB interface |
Key considerations: - Application environment (studio vs. field recording) - Frequency response matching with sound source - Polar pattern suitability - Connection type (analog XLR vs. digital USB) - Budget allocation (studio-grade vs. consumer models) For speech applications, select cardioid patterns with 80-120Hz bass roll-off. For instrument recording, prioritize flat frequency response above 15kHz.
Current developments include: - AI-powered noise cancellation algorithms - MEMS (Micro-Electro-Mechanical Systems) microphones - Wireless digital transmission systems (2.4GHz bands) - Polarization-free nanomaterial diaphragms - Integration with IoT devices and smart assistants The global market is projected to grow at 5.8% CAGR through 2030, driven by VR/AR and remote communication demands.