The dual unidirectional condenser microphone unit that focus records sounds in front was configured using an X-Y pattern. The X-Y pattern is a type of a stereo recording method and records sounds while reducing the hollowing out effect (when the central sound becomes weak). As such, this is an effective recording method when filming a specific target. A vari-angle microphone structure that allows 180-degree rotation was adopted, allowing for mic placement in accordance to the target. The audio circuit design, including the microphone, went through several listening tests in order to select the parts that are best for achieving great sound quality. The TM-2X can handle sound pressure up to 120dB SPL, and as such, can record sound without distorting even when filming a target with a high volume.

In conjunction to implementing the high-sound quality of the circuit itself, external noise measures for the TM-2X were also explored. Extra attention was placed on the noise characteristics of a DSLR camera, with various measures implemented to counterattack that. A floating structure was employed for the mic unit and the shoe mount section, reducing handling noise from the mic unit. In addition, a noise isolation arm was included in order to physically reduce operational noise by keeping a distance from the noise source. If the operation noise from the camera’s auto-focus is an issue, mounting the noise isolation arm will reduce such noises. Other attachments include the low-cut filter, which eliminates low-frequency noise and the fur windscreen that reduces wind noise when filming outdoors.

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