Yamaha MY4AEC
Card,AES I/O,4Ch,F/DME24N/64N


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Thanks to its flexible DSP processing and IO capability the Yamaha DME series of mixing engines has a great reputation in a wide range of markets such as theatres, broadcasting, commercial installations and live events. Now the company is further extending the DME's potential by introducing the remarkable MY4-AEC Echo Canceller card, which offers high definition sound and flexibility to the audio and video conferencing markets.


  • 4ch Adaptive Echo Controller - The MY4-AEC has 4 channels of adaptive echo cancelling which can automatically find the appropriate setting of AEC according to the environment and the quipment being used. It can be used for multi-location meetings and large conference rooms. Thanks to its very long 'tail length' (delay time), the MY4-AEC can remove very long delays (max 400ms) and can provide clear sound even when used in very large rooms or for long distance conferencing. As DME units are easily connected into PA systems, it also makes a noticable difference in very large rooms where sound reinforcement is required and remote participants are involved.
  • HD Sound Quality - Web-based remote conferencing is becoming more popular and the sound quality is better than former systems utilizing telephone lines. The MY4-AEC can support a wide frequency range (20Hz-20kHz) ensuring a natural sound for conversation. The sampling rate of the MY4-AEC is 48kHz but it can be used in 96kHz systems by reducing capacity from 4 to 2 channels.
  • 4ch Feedback Suppressor and Noise Reduction - In large conference rooms or auditoriums where microphones are used with a PA for voice amplification, the MY4-AEC's 4ch feedback suppressor employs 42 notch filter bands per channel. Each channel also has width and depth parameters that can be adjusted to achieve optimum level. The MY4-AEC is also equipped with a power noise reduction function. Any constant, distrubing fan or air conditioning noise can be attenuated, further maximizing the performance of the echo canceller.
  • Additional 4ch AES/EBU I/O with Sampling Rate Converter - To facilitate the use of other digital equipment, the MY4-AEC card has 4ch AES/EBU I/O. The I/O ports have sampling rate converters ensuring easy connection to equipment with different sampling rates.
  • Easy Operation with DME Designer - With DME Designer it is possible to optimize the performances of all the Acoustic Echo Canceller parameters. (DME Designer V4.0 and compatible hardware required.


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