Specifications

RoadRunner USERS GUIDE

decoder ACE must be set individually for bi-directional protection.

Audio will be muted if your encoder ACE is set ON and the far-end

decoder ACE is not.

Use the ESP (encoder) and DSP (decoder) commands or the keypad

sequences

and

to enable this function. Please note that ACE is not compatible with

other manufacturers products.

Sine Detector

MPEG algorithms, in particular, the bit allocation portion of the

compression scheme, handles normal audio in a different manner that

pure tones, the discussion of these differences is well beyond the scope

of this manual.

The encoder Sine Detector should be used only when using test

equipment to evaluate codec performance. For normal operation, the

sine detector should be OFF. The state of the Sine Detector is toggled

using the ESD command or the keypad sequence:

Only MPEG Layer 2 algorithms support the Sine Detector function.

Header and Status Bits

ISO Header bits — There are five user settable ISO header bits:

Private (EPI). These bits can be used as signaling bits by the far end

decoder. The state of these bits is can be observed using the decoder

status bits on all CDQPrima. Prima LT and RoadRunner codecs.

Status bits (DRS) — The status bits are used to ‘read’ the status of the

user selectable encoder header bits.

Use the

sequence to set the header bits, and the