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Solving microphone-splitting problems.(Audio Update)
Last time, I introduced you to the basic problems raised by microphone splitting. this time, we will look at how to overcome those problems. Proper microphone splitting is fairly easy to do, but it does require an audio transformer that has at least three equal windings designed to match modern-day microphones. The problem is, most such audio transformers are designed to optimize line level signals, so they don't work very well with microphone circuits. Let's look at Why.
Designing a Transformer
Most modern microphones produce a small output signal - typically 5-mV from a normal speaking voice. However, in rock-concert environments, musicians can be literally screaming into their microphone, causing it to produce several hundred millivolts of signal. And while the frequency …
- Low-Cost Microcontroller Acts As A Microphone Simulator.(Technology Information)
- Magazine article from: Electronic Design Walker, Jim November 20, 2000 700+ words
...to simulate spoken voice. It achieves this by driving a microphone input line with a sine wave at an appropriate level, Simply...the fundamental amplitude, the output is very dean. An audio transformer is used to supply isolation and attenuation. It also provides...
- 3. Taylor Guitars: ES tuner mute balanced breakout.(OUT NOW!)
- Magazine article from: Guitar Player Davis, Mark C. September 1, 2006 700+ words
...Mute switch allows for silent onstage tuning * Passive design incorporates a high-quality audio transformer * Can also be used as a microphone mute to prevent feedback when mic is not in use * $118 retail * taylorguitars.com [ILLUSTRATION...
- Audio product news: a look at new audio product releases.(AUDIO:...
- Magazine article from: Encore Magazine October 1, 2004 700+ words
...conventional lapel/lavaliere microphone for on-air studio presentation...instrument adaptor, the MA2.2 microphone amplifier and the SSA1...quality direct box, without an audio transformer, providing a clean signal...The MA2.2 high-speed microphone preamplifier consists of...
- Modulating a laser beam.
- Magazine article from: Electronics Now Bergquist, Carl J. March 1, 1997 700+ words
...is another LM386 circuit. This time, we'll connect a microphone or another audio source to the input of the circuit in Fig...s output is connected to the 8-ohm winding of a small audio transformer. The 2000-ohm winding is connected between the laser...
- Hum and noise in professional audio systems. (includes glossary of audio terms)
- Magazine article from: Electronics Now Miller, Franklin J. February 1, 1996 700+ words
...not balanced and hum is the result. In these cases a good audio transformer can be inserted to eliminate the problem. The more difficult...connectors. Sometimes 3.5-mm connectors are used as microphone input as well as headphone outputs. All of these input...
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