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Audio Technica ATDM-0604 Operation Manual
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Audio Technica ATDM-0604 Operation Manual

Audio Technica ATDM-0604 Operation Manual

Digital smartmixer
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ATDM-0604
AEC (Acoustic Echo Canceler) Operation Manual
DIGITAL SMARTMIXER

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Summary of Contents for Audio Technica ATDM-0604

  • Page 1 ATDM-0604 AEC (Acoustic Echo Canceler) Operation Manual DIGITAL SMARTMIXER...
  • Page 2 ATDM-0604 units connected by Audio-Technica LINK. 3. Check the speaker output that amplifies audio from the terminal • For other linked ATDM-0604 units, select “External” in “AEC Reference” to at far-end source, and set the bus assignment. receive the reference signal.
  • Page 3 • If measurement fails (ends due to an error), increase the volume of the amplifiers and measure again. The AEC cancel time of the ATDM-0604 is 160 ms. Setting the parameters below according to the measured reverberation time is recommended.
  • Page 4 Preparing Using with Smart Mix Smart Mix is presumed to be used for the purpose of ensuring effective stable gain during self-amplification. For the signal to be sent to terminals at far-end source, selecting a Smart Mix Pre signal is recommended. Select a Smart Mix Pre signal for the signal input to the AEC bus (signal sent back to remote terminals), and select a Smart Mix Post signal for the audio amplified at the local source to ensure effective stable gain.

  • Page 5: Adjusting The Reference Level

    Adjusting Adjusting the reference level • The level of the signal specified for reference is displayed in the reference level meter. Adjust the “Reference Level” value at the top so that the peak is in the range of +12 to +18 dB. Also set to a level where the audio does not clip.

  • Page 6: Troubleshooting

    Troubleshooting Symptom Cause/Action I want to check the effect of echo canceling. Check the effect of echo canceling on the terminal at far-end source. To check at a local source, you can monitor the audio returned to the terminal at far-end source. (1) AEC performance improves by increasing the signal (reference signal) from TV conference systems (codec) input to AEC (echo canceler) as much as possible at a level where it does not clip.
  • Page 7 Audio-Technica Corporation 2-46-1 Nishi-naruse, Machida, Tokyo 194-8666, Japan 222304310-02-01 ver.1 2018.05.01 ©2018 Audio-Technica Corporation...