User manual RANE ECS

[. . . ] RANEWARE OPERATORS MANUAL ECS ENGINEERED CONFERENCE SYSTEMS ECS RaneWare Manual This manual contains information on RaneWare software installation and ECS controls, device control language, system setup, applications and operation. All software controls are printed here in sans-serif type to help distinguish between hardware and software. ECS consists of software-driven hardware. Consult the ECS Hardware Manual for the ECB 62e Base and ECM 82e Mixer installation options, audio and data connections, control and indicator descriptions, and audio specifications. [. . . ] Mic Sig Release Once audio is no longer detected at any Mic, the Mic indicator shuts off after the Mic Signal Release time has elapsed. This timer is useful in video-follows-audio applications when you wish to switch the camera back to a default location after conversation pauses. The Mic Signal Release also affects the time between when people stop talking and when the various Gates (Mixer Gate, Noise Gate, Mic Gates, Mixer Suppression and Port 1 Suppression) turn on or off. Adjusting the Mic Signal Release time can help the psychological timing and comfort for talkers. Typical default value: 0. 35 seconds or more. RW Manual-11 Prog Sig Release One can think of this parameter as either the longest distance or delay time between a speaker and a Mic in the room, or think of Program Signal Release as the room reverb time (sort of) -- although, extremely few conference rooms are statistically reverberant spaces. Since you don't want Mics to Gate On due to loudspeaker audio, the Program Signal Release time is adjustable to allow the loudspeaker audio to decay in the room before ECS releases the Program Status indicator. A larger room may require a greater Program Signal Release time. Typical default value: 0. 35 seconds or more. Near Sig Offset This helps prevent a single talker from Gating mulitple Mics. It also helps determine which Port has the current audio source. The first Mic that Gates On (audio detected above the Mic Threshold) illuminates the Mic Signal indicator. This causes the Near Signal Offset value to be added to all other Mics' Threshold Levels. For example, when the chairman talks, his Mic Gates On causing a Mic status signal. Immediately, the Threshold Level of all Mics except the chairman Mic is adjusted by the Near Signal Offset. Let's use a Near Signal Offset of 20 dB. Thus, if the other Mics are set to a Threshold Level of -25 dB, when the chairman talks, all other Mics' Threshold Levels are forced to -5 dB (-25 plus 20). This helps prevent Mics that are near the chairman's Mic from Gating On. This improves the signal-to-noise and improves Echo Canceller performance. Independently, if any Port Signal is detected, the Near Signal Offset is also added to the Threshold Level of all other Ports. This is solely for accurate status indication where one wants to know which Port contains audio -- i. e. , for multipoint videoconferencing. Typical default value: 18 dB or more. Prog Sig Offset This is the big cheese of ECS. When Program (Port 1 Output) audio is detected, the Program Signal indicator lights. [. . . ] When sending parameters, the number sent is determined by the data size. The working/stored flag is set if the working Memory for either channel doesn't match the original stored Memory. The working/dirty flag is set when the ECS is powered up, or when a Memory is recalled. It is cleared when the working parameters are sent or received. [. . . ]