FM Operating Mode: OPTIMOD Trio provides four FM processing structures: Five-Band, Low-Latency Five-Band, Ultra-Low-Latency Five-Band and Two-Band. Additionally, it can be also used as stand-alone stereo encoder with latency as low as 2 msec and full overshoot limiting in both the left/right and composite baseband domains. The defeatable ITU BS.412 Multiplex Power Controller constrains MPX power smoothly and reliably, ensuring compliance in countries that regulate it. An onboard RDS/RBDS generator supports dynamic PS scrolling and IP access. The optional μMPX Interface allows you to transmit DMPX over IP if you are using the FM operating mode.

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AM Operating Mode: With OPTIMOD Trio you can achieve excellent quality in AM shortwave, medium wave and long wave broadcast sound. It increases the density and loudness of the program material by multiband limiting and multiband distortioncanceling clipping, improving the consistency of the station's sound and increasing loudness and definition without producing audible side effects. OPTIMOD Trio compensates for the high- and low-frequency rolloffs of typical AM receivers with a fully adjustable program equalizer providing up to 20dB of high-frequency boost (at 5 kHz) without producing the side effects encountered in conventional processors.

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HD Operating Mode: You can choose between the Five-Band processing structure for a spectrally consistent sound with good loudness control and the Two-Band processing structure for a transparent sound that preserves the frequency balance of the original program material while also effectively controlling subjective loudness. The “True Peak” limiter anticipates and controls peak levels following D/A conversion, a feature now required by many broadcasters. With our PreCode™ technology several aspects of the audio can be manipulated to minimize artifacts caused by low bitrate codecs often used in HD Radio™, DAB+, and streaming.