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Teensy USB Development Board
Acoustic space delimiter – Directional Sound System
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Kit Acouspade directional sound system
Acoustic space delimiter – Directional Sound System
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1. Acouspade directional sound system
The Acouspade™ hyper-directional sound system enables you to focus a beam of sound to a specific point in the environment and to address the public with precise acoustic content at precise locations.
The Acouspade™ can deliver a narrow beam of sound to a desired area while preserving silence around it, or allowing the co-existence of different sounds in the same space without mixing or interfering. The audio-beam created by Acouspade can cut through noisy environments and deliver a headphone-like experience for the listener.
Acouspade's patent pending signal processing system includes a new, fully digital and extremely efficient amplifier, which requires no heat-sink at all. This allows for a complete integration of the system into the 22mm thin flat-panel emitter housing, making the Acouspade, the thinnest directional speaker on the market.
The new Acouspade has a lower noise floor as the previous versions but also, it has a larger emitter surface, which can generate higher sound volumes and deliver a clear message even in noisy environments.
With its two separated emitter panels, the new Acouspade offers an optimized sound-field distribution. It is precisely targeting the listeners ears, without wasting acoustic energy to the facial region.
New features: active speaker, Bluetooth and motion detection
The Acouspade™ speaker offers highly directional distribution of sound, which is reproduced clearly - without distortion - even at high volumes. The sound is of high-quality, with low noise and great frequency response, which includes authentic reproduction of bass notes and frequencies as low as 150 Hz. The speaker itself is easy to use – you only need to connect the audio output of your source device (such as portable music player, laptop, DVD-player etc.) with the speaker and you are ready to go.
The new Acouspade is the first directional speaker on the market that offers wireless content management via Bluetooth connection, which introduces completely new applications of the directional speaker. Imagine having a restaurant where each table occupies its own audio zone and enables the guest to play its own music from his smartphone. The bluetooth connection is integrated in all Acouspade AB(S)-134-DUMA-M/S models
The Acouspade speaker can be equiped with a motion detection system, which can trigger audio content from an external Bluetooth player at the moment when the listener approaches the speaker.
Acouspade - directional speaker mounting options
In case the Acouspade directional speaker is mounted on the same wall – on top or bellow the digital sign, it needs to point diagonally downwards or upwards respectively, in order for the audio beam to reach all possible heights of users. In this mode the sound can not always be heard at the exact same spot, since the listening spot will depend on the users height. In case of a digital-signage situation this should not be a problem since the listening spot will always be in front of the digital screen, but the distance of the sweet-spot from the screen will be determined by the person's height and will vary within 1 to 2 meters. This mounting mode will also create more audible artifacts around the room, since the first surface (floor or ceiling) will be hit in a specific angle, which will reflect the sound to the next surface, and so on.
Sound shower mode
Ideally, the Acouspade directional speaker should be mounted on the ceiling, facing the floor. This creates a typical “sound-shower” situation, making the sound audible only at one spot in the room, while enabling it to be heard by people - of all heights - at the same spot. The sound-shower mode is also the best solution to minimize reflections of the sound and its audibility at different locations around the room. The sound starts to travel from the ceiling, bounces off the floor and is reflected back to the same spot at the ceiling, and so on.
Virtual speaker mode
A very interesting mounting situation is the “Virtual speaker mode”, where the speaker is not pointing directly towards the user. Instead, the speaker is pointing towards the digital sign, (or any other object that you want to draw attention to, by using directional sound) from which the sound beam bounces and arrives at the user indirectly. This situation makes it appear as if the sound originates from the object that it is being reflected from. The actual sound source remains hidden and is not noticed by the user.
2. Wall/ceiling mounting bracket
3. Motion detection system
4. Power supply adapter: 24V/1A (110V / 240V)
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