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RANGE AND DIRECTION OF SOUND... WE WILL EXPLAIN IT TO YOU!
Range and direction of sound are two concepts that we come across literally all the time when we want to equip ourselves with an audio system of any type. The problem is that they don't usually inspire much ( except misunderstanding ), and it's a shame! So, since our mission is to help you equip yourself with the best tools, today we are going to tackle the task of deciphering this rather technical part ( at least on paper ).
We assure you from the outset that we are not going to make a technical presentation ( that only interests the geeks ). Let's try to explain these somewhat confusing terms in simple terms. Are you following us? This is the way ↓
WHAT DO WE UNDERSTAND BY SOUND RANGE?
When we talk about sound range, we are referring to the intensity ( in decibels ) of the microphone. In simple terms, it is the maximum distance at which the microphone can pick up sound.
WHAT IS THE OPTIMAL MICROPHONE RANGE FOR ME?
This question is more likely to arise when equipping a meeting room than an individual workstation. However, we guess that just because you're here for a solo office doesn't mean you don't also need equipment for your collaboration spaces ( if so, we've got a dedicated guide right here ! ). In summary, depending on the configuration of the room, things look like this:
In a small room ( 4-6 people ), a microphone with 3 meters range It is more than enough.
For a medium sized room ( 6-12 people ), 1 long-range microphone may be enough, but in general, it is best to equip yourself with 2 micros
In a large room ( + 12 people ), it is non-negotiable to install at least 2 microphones!
WHAT DOES DIRECTIONALITY MEAN?
Directionality is the sensitivity of the microphone to the direction the sound is coming from. There are 3 types of directionality, which are described below:
Omnidirectional
Sensitive to sound coming from all directions ( 360° )
BENEFITS
- Captures sound evenly
- More balanced and regular frequency response
DISADVANTAGES
- Few means to isolate the sound source from background noise
- Tends to pick up echo or reverb if room acoustics are poor
Bidirectional
Centered on a horizontal or vertical audio range ( at 180° )
ADVANTAGES
- Can pick up the voices of two people on opposite sides of the room
- Reduces ambient noise from the sides
DISADVANTAGES
- Cannot pick up sounds coming from directions that are not opposite
- Not suitable for environments with multiple dispersed sound sources
Unidirectional
Primarily sensitive in a specific direction: highlights the main speaker's voice by capturing 90-120°
BENEFITS
- High sensitivity thanks to sound capture in a specific direction
- Perfect for one-on-one exchanges ( in an individual office )
DISADVANTAGES
- Precise microphone orientation in a direction not always available
- Inability to pick up sound in multiple directions
Recapping…
| Degree of orientation | Sound pickup |
| Omnidirectional | 360° |
| Bidirectional | 180° |
|
Unidirectional |
90-120° |
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As a Key Account Manager specialized in video conferencing solutions, I combine expertise in key account management with technological innovation. My approach is to tailor communication solutions for each client to maximize their efficiency and satisfaction. I am committed to transforming communication challenges into opportunities through sustainable partnerships and effective collaboration.