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AVT1466 B

DIGITAL ECHO - A SELF-ASSEMBLY KIT

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ID: 189913

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DIGITAL ECHO - A SELF-ASSEMBLY KIT

Producer: AVT

The most important application area of the presented system is, above all, the fun. Nevertheless, the 'echo' parameters are so good that it can find quite serious applications in electroacoustics. The 'heart' of kit is a specialized integrated circuit. It contains all the elements of the audio track and a digital delay line. The system works in a typical application with element values specified by the manufacturer. To expand the possibilities of application, a mic together with a matching amplifier was added to the board. As a result, a device was obtained that can transmit sounds from the surroundings or be directly connected to the audio track of any amplifier.

The device is especially recommended for people who like to 'play' with sound, electroacoustics

Selected parameters:

  • digital delay line
  • level of output signal distortion <1%
  • noise level in the output signal <-85dB
  • smooth regulation of the threshold (sensitivity)
  • built-in microphone and microphone amplifier
  • additional input (LINE) of the MW signal
  • smooth adjustment of reverberation time, amplitude of reverb and output signal level
  • power supply - 7-12 Vdc
  • tile dimensions 89x59mm
  • in the set a printed circuit board, a set of elements and documentation
    Detailed description in EP 06/08

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