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NETWORKED AUDIO - MULTIPURPOSE AV CART

Scalable Audio Solution Over A Dante™-Enabled Audio Network

AN-2238

Description:

The sound system in this multipurpose facility is designed to offer the end user a scalable audio solution for a variety of functions. The system is based on a centralized Dante-enabled DSP and a number of portable systems each of which includes active loudspeakers and a cart-mounted RU-MLB4 Mic/Line Bi-Directional Dante Network Interface as shown above. Each RU-MLB4 is assigned a unique STATIC IP address which is recognized by the DSP from any location in the building. The RU-MLB4 provides up to four mic or line audio inputs. Depending on the size and nature of the event additional carts can be deployed to provide additional inputs and/or outputs. Notes: 1] If passive loudspeakers are used and/or if local volume adjustment is needed, an RDL VCA and audio power amplifier may be added to the cart; 2] An RDL RU-MLB4P may be substituted for the RU-MLB4 if POE power is available through all the network jacks

USE A CATX HOME RUN FOR EACH FORMAT-A SOURCE

Power Inserter / Signal Breakout Module Permits Home Run Cabling

AN-2236

Description:

In this Format-A installation, it was not practical to loop CATx cable between the senders in different rooms. A home run from each microphone sender was pulled to the equipment rack. The TX-TP4PW Power Inserter / Signal Breakout module is used to connect Pairs A, B and C to a single cable run and to insert power. The sources sent on pairs A, B and C are all present on the cable that connects the TX-TP4PW to the RJ45 input of the TX-TPR3A Line-Level Format-A Receiver. All the Format-A modules are powered by the external supply connected to the TX-TP4PW.

NETWORKED AUDIO

Meeting Room Audio using a Centralized Processor

AN-2225

Description:

In this facility, all meeting room audio inputs and outputs are networked with a centralized processor to avoid the cost and logistical issues of installing processors in each room. A single run of CATx cable looped between the three wall-mounted Format-A input modules and the RU-FN Format-A to Dante Interface module is the only installed cabling required for audio inputs in this meeting room. The line-level output of a wireless microphone receiver is fed to the Aux Input of the network interface. The Format-A input modules are powered from the RU-FN.

TABLE-TOP PRESENTATION PERSONAL MONITOR SYSTEM

Automatic Attenuation Avoids Feedback Between Pick-Up Mic and Monitor Speaker

AN-2205

Description:

This sound system is designed to provide clear communication between two presenters and an assembled group. The two presenter positions are each equipped with a table-top microphone and loudspeaker. The loudspeakers allow the presenters to clearly hear questions from the audience as well as each other. The audience microphone and the two presenter microphones are mixed in the rack: a line-level signal feeds the amplifiers for the house and the table-top loudspeakers. Each RDL ST-GSP1 Gated Speech Preamplifier provides an automatically switched line-level output from a microphone. When an ST-GSP1 preamplifier is gated ON, the SLAVE (open-collector) output mutes its associated ST-MA2 Monitor Amplifier (and RU-SP1 Monitor Speaker) and attenuates the adjacent monitor speaker, thereby preventing feedback. (Terminals on the ST-MA2 can MUTE or provide 3 dB or 6 dB of attenuation while pulled to ground, permitting this wiring method to be expanded to multiple presenter stations.)

4 x 1 STEREO AUDIO SOURCE SELECTION

Remotely Select From Four Stereo Audio Sources and Control Level in Lounge or Restaurant

AN-2210

Description:

The RU-ASX4DR Remote Controlled Audio Selector allows patrons of this establishment to enjoy a variety music sources or the opportunity to watch and listen to television broadcasts. The D-RC4M Four Channel Remote Control and D-RLC10M Remote Level Control allow the staff to select the desired program source and to adjust the audio level. Sources may be muted by simply de-selecting the active input at the D-RC4M or by pressing the MUTE button on the D-RLC10M. The D-CIJ3D Consumer Input Jack panel is used to balance the stereo signal of an MP3 player and to provide galvanic isolation.

FIXED MIXING OF PODIUM MIC AND LINE INPUTS

Mixing a Microphone and Stereo Source to a Single Line

AN-2198

Description:

The sound system in this room is equipped with a mono balanced input from the floor box. When the podium is in use, the presenter uses the microphone and also uses an audio player or laptop computer. The ST-UMX3 Universal Audio Mixer is installed to mix signals from a single dynamic microphone and the unbalanced stereo source located in the podium to a balanced mono mic-level or line-level (switch-selectable) feed to the sound system input. The small size of the ST-UMX3 allows it to be installed in the podium or the floor box. The ST-UMX3 3X1 Universal Audio Mixer is used to combine signals of different level, impedance or balanced/unbalanced configuration. Each input and the output is switch-selectable for mic or line level. Single-turn trimmers are provided for the gain adjustment of each input.

TWO ZONE PAGING SYSTEM

Remote Switch at Paging Station Controls Solid-State Audio Routing to Proper Paging Zone

AN-2192

Description:

The operator of the paging station can selectively page in either zone. The STM-2X Switchable Low Noise Microphone Preamplifier amplifies the paging mic to line level. The preamp output is active only while the operator presses the mic push-to-talk button. The ST-RX2 Audio Routing Switcher routes the line-level audio signal to one of the two amplifiers. The NORMAL output feeds the Zone 1 amplifier; the SELECT output feeds Zone 2. The Audio Routing Switch at the operator’s station controls the ST-RX2 TRIG terminal. When the ST-RX2 TRIG control terminal is not connected to ground, audio is fed to the NORMAL output and the SELECT output is turned off. When the TRIG control terminal is grounded, the input audio is routed to the SELECT output and the NORMAL output is muted.

CONSUMER TO PRO AUDIO FORMAT CONVERSION

Stereo Unbalanced Audio Source Connects to Stereo Balanced Mixer Input

AN-2190

Description:

A portable podium is frequently used for presentations in this room. An ST-UBA2 Unbalanced to Balanced Line Amplifier is installed in the floor box to convert the unbalanced stereo audio signal from a laptop computer or other consumer source to match the balanced stereo inputs of a professional mixer. Each channel is provided with installer-adjustable gain and a Dual-LED VU meter to simplify adjustment. A summed mono output is also available. The small size of the ST-UBA2 permits it to be comfortably installed in a floor box.

CUSTOMERS PLAY PERSONAL AUDIO IN PUBLIC HOUSE

BGM Audio System with Wall-Mounted Customer Input for Personal Audio Player CUSTOMERS PLAY PERSONAL AUDIO IN PUBLIC HOUSE

AN-2182

Description:

This establishment normally provides patrons with background music from a consumer CD player. Two inputs of the ST-MX3 Line Level Mixer are used to combine the left and right channels of the CD player’s unbalanced stereo output. On special occasions, customers are encouraged to play music from their personal media players through the house system using a wall-mounted D-CIJ3 Consumer Input Jack Panel. The D-CIJ3 combines the customer’s stereo source to a balanced mono signal that feeds the third balanced input of the mixer module. The local CD player is simply turned off (or paused) when the personal media player is in use.

GATED MIC PREAMPLIFIER DETECTS SIGNAL PRESENCE

Preamp Suppresses Ambient Noise While Idle and Provides Visual Indication of Speech Activity

AN-2176

Description:

The ST-GSP1 Gated-Speech Preamplifier produces gated line-level audio from a balanced dynamic or condenser microphone. The preamp output remains off when no one is speaking into the microphone, thereby not picking up and amplifying ambient room noise. The moment someone speaks into the microphone, the output of the ST-GSP1 turns on, feeding line-level audio to the sound system. The SLAVE output terminal is used to activate the ST-LCR1 Logic Controlled Relay which provides a contact closure to turn on a visual indicator. The indicator lamp confirms to the person speaking that the microphone is active. Additional contacts on the ST-LCR1 are available to turn on other indicators or recording devices. The ST-GSP1 detection threshold is adjustable. Muting occurs 2 seconds after the audio level drops below the preset threshold. In circumstances where a longer delay time is desired, an external capacitor may be connected to extend the delay. The ST-GSP1 line-level output may be configured balanced or unbalanced to feed a variety of audio inputs.

MULTIPLE USER LEVEL CONTROLS FOR SINGLE ZONE

Multiple Control Points Provided by Rotary Optical Encoder Remote Controls with Muting

AN-2169

Description:

This basic sound system provides two D-RLC10M Remote Level Controls with Muting for end users to adjust the volume from two different locations. The master D-RLC10M creates the 0 to 10 Vdc control voltage that sets the gain of the ST-VCA3 Voltage Controlled Amplifier. The ST-VCA3 adjusts the audio level feeding the system audio power amplifier. The slave D-RLC10M sends up/down and muting commands to the master D-RLC10M. An end user can turn the volume up or down, and mute or unmute the system from either remote control. Pressing the MUTE button on either D-RLC10M shuts off the audio signal. Audio is restored to the previously set level when the MUTE function is released by pressing either MUTE button again. These controls, one set to MASTER and the other to SLAVE, are shown connected to an ST-VCA3 Voltage Controlled Amplifier but can be used with any other RDL VCA or OEM product requiring a 0 to 10 Vdc ramp for level control. As many as ten D-RLC10M Remote Controls may be connected together in one zone. These remote controls are also available in black (DB-RLC10M) and stainless steel (DS-RLC10M).

MULTI-POINT ROTARY ENCODER LEVEL CONTROL

Multiple Control Points for Room or Zone Audio Level with Supervisor Mute Control

AN-2171

Description:

In this office sound system, the audio level in the employee work area may be adjusted from two different locations in the area and by the supervisor. Two D-RLC10 wall-mounted Remote Level Controls provide rotary volume adjustment and visual indication of the level adjustment in the work area. The supervisor’s D-RLC10M Remote Level Control with Muting is further equipped with a front-panel mute button which cannot be overridden by the work area controls. When active, the D-RLC10M MUTE function shuts off the audio signal. When MUTE is toggled off, audio is restored to the previously set level. The single D-RLC10M and two D-RLC10s are shown controlling an RDL ST-VCA3, or they may be used with any RDL VCA or OEM product requiring a 0 to 10 Vdc Ramp to control level.

HOTEL ROOM ENHANCED AUDIO SYSTEM

Private Bedside TV Audio Without Disturbing Partner and Adjustable Bathroom TV Audio

AN-2161

Description:

The hotel guest experience is enhanced in this application by allowing each guest to choose when and where to listen to the TV sound. In the bedroom, one guest may wish to watch and listen to the TV while the guest’s partner does not. With the TV speakers muted, either guest can watch and listen to the TV by plugging personal headphones into a bedside D-HA1A Headphone Amplifier with locally adjustable volume. Their partner can read or sleep in silence. This installation further enhances the hotel stay by allowing the TV audio to be heard clearly while getting ready for the day. The D-TPA1A wall-mounted amplifier allows a guest to set the volume as high as needed, even with shower water running. Intelligibility of the TV audio is not dependent on the volume setting in the guest room. If the TV internal speakers are muted, TV audio is only heard in the bathroom. This is ideal if one guest sleeps in or reads a newspaper while the other guest is using the bathroom.

HOTEL ROOM ENHANCED AUDIO SYSTEM

Private In-Wall Bedside and Bathroom TV Audio that Mutes During Emergency Paging

AN-2165

Description:

The hotel guest experience is enhanced in this application by allowing each guest to choose when and where to listen to the TV sound. In the bedroom, one guest may wish to watch and listen to the TV while the guest’s partner does not. With the TV speakers muted, either guest can watch and listen to the TV by plugging personal headphones into a bedside D-HA1A Headphone Amplifier with locally adjustable volume. Their partner can read or sleep in silence. This installation further enhances the hotel stay by allowing the TV audio to be heard clearly while getting ready for the day. The D-TPA1A wall-mounted amplifier allows a guest to set the volume as high as needed, even with shower water running. Intelligibility of the TV audio is not dependent on the volume setting in the guest room. If the TV internal speakers are muted, TV audio is only heard in the bathroom. This is ideal if one guest sleeps in or reads a newspaper while the other guest is using the bathroom. This installation assures guests have the opportunity to hear emergency paging by automatically shutting off the headphone and restroom amplifiers. During a facility-wide emergency page, the TX-PCR1 Paging Controlled Relay shuts off power to the hotel room audio system. With no power applied to the FP-TPS4A the guest room audio system is muted making it possible for the hotel guests to hear the emergency page. Once the page is completed the TX-PCR1 reapplies power to the FP-TPS4A, returning the audio system to normal operation. (NOTE: The TX-PCR1 must be installed so that its power is not interrupted.

HOTEL ROOM ENHANCED AUDIO SYSTEM

Private Bedside TV Audio and Adjustable Bathroom TV Audio with Personal Audio Inputs

AN-2157

Description:

The hotel guest experience is enhanced in this application by allowing each guest to choose when and where to listen to in-room media. In the bedroom, one guest may wish to watch and listen to the TV while the guest’s partner does not. With the TV speakers muted, either guest can watch and listen to the TV by plugging personal headphones into a bedside D-HA1A Headphone Amplifier with locally adjustable volume. Their partner can read or sleep in silence. This installation further enhances the hotel stay by allowing the TV audio to be heard clearly while getting ready for the day. The D-TPA1A wall-mounted amplifier allows a guest to set the volume as high as needed, even with shower water running. Intelligibility of the TV audio is not dependent on the volume setting in the guest room. If the TV internal speakers are muted, TV audio is only heard in the bathroom. This is ideal if one guest sleeps in or reads a newspaper while the other guest is using the bathroom. Some guests may wish to listen to a personal media device or laptop computer. These can be connected into any of the three D-TPS8A wall-mounted input panels strategically located within the hotel room. Audio connected to any of the D-TPS8A panels is fed through the FP-TPSR4A to the AUX input on the TV. Upon selection of the AUX input on the TV remote control, the personal media source can be heard on the D-HA1A bedside Headphone Amplifiers and in the restroom.

HOTEL ROOM ENHANCED AUDIO SYSTEM

Private Nightstand Bedside and Bathroom TV Audio that Mutes During Emergency Paging

AN-2162

Description:

The hotel guest experience is enhanced in this application by allowing each guest to choose when and where to listen to the TV sound. In the bedroom, one guest may wish to watch and listen to the TV while the guest’s partner does not. With the TV speakers muted, either guest can watch and listen to the TV by plugging personal headphones into a bedside TP-HA1A Headphone Amplifier with locally adjustable volume. Their partner can read or sleep in silence. This installation further enhances the hotel stay by allowing the TV audio to be heard clearly while getting ready for the day. The D-TPA1A wall-mounted amplifier allows a guest to set the volume as high as needed, even with shower water running. Intelligibility of the TV audio is not dependent on the volume setting in the guest room. If the TV internal speakers are muted, TV audio is only heard in the bathroom. This is ideal if one guest sleeps in or reads a newspaper while the other guest is using the bathroom. This installation assures guests have the opportunity to hear emergency paging by automatically shutting off the headphone and restroom amplifiers. During a facility-wide emergency page, the TX-PCR1 Paging Controlled Relay shuts off power to the hotel room audio system. With no power applied to the FP-TPS4A the guest room audio system is muted making it possible for the hotel guests to hear the emergency page. Once the page is completed the TX-PCR1 reapplies power to the FP-TPS4A, returning the audio system to normal operation. (NOTE: The TX-PCR1 must be installed so that its power is not interrupted during emergency paging. Two power supplies are shown. This application may be powered from a single power supply. Contact RDL Technical Support for more details.)

HOTEL BATHROOM AUDIO SYSTEM

Listen to TV Audio in Guest Room and Bathroom or Without Disturbing Partner

AN-2153

Description:

This installation enhances the hotel experience by allowing the TV audio to be heard clearly while getting ready for the day. The D-TPA1A amplifier in the wall allows the guest to adjust the audio as loud as necessary, even with shower water running. Intelligibility of the TV audio is not dependent on the volume setting in the guest room. If the TV is set to mute its internal speakers, TV audio is only heard in the bathroom. This is ideal if one guest wished to sleep while the other guest is spending time in the bathroom.

HOTEL ROOM COMPLETE ENHANCED AUDIO SYSTEM

Private Bedside TV Audio and Adjustable Bathroom TV Audio Without Disturbing Partner

AN-2154

Description:

This installation enhances the hotel experience when one guest wishes to watch and listen to the TV while the guest’s partner does not. Either guest can plug in personal headphones to the bedside TP-HA1A Headphone Amplifier, adjust the listening level and enjoy the video program or movie. With the TV set to mute its internal speakers, each guest enjoys their environment (video/audio program or silence). In addition, this installation completes the hotel experience by allowing the TV audio to be heard clearly while getting ready for the day. The D-TPA1A amplifier in the wall allows the guest to adjust the audio as loud as necessary, even with shower water running. Intelligibility of the TV audio is not dependent on the volume setting in the guest room. If the TV is set to mute its internal speakers, TV audio is only heard in the bathroom. This is ideal if one guest wished to sleep while the other guest is spending time in the bathroom.

HOTEL GUEST ROOM BEDSIDE AUDIO SYSTEM

Listen to Private TV Audio Using Headphones Without Disturbing Partner

AN-2152

Description:

This installation enhances the hotel experience when one guest wishes to watch and listen to the TV while the guest’s partner does not. Either guest can plug in personal headphones to the bedside TP-HA1A Headphone Amplifier, adjust the listening level and enjoy the video program or movie. With the TV set to mute its internal speakers, each guest enjoys their environment (video/audio program or silence).

AMPLIFIERS FOR MEETING ROOM AND OVERFLOW AREA

Conference Facility Audio System with Amplification for Additional Zone

AN-2128

Description:

This conference facility uses the HD-MA35UA 35-Watt Mixer Amplifier as the main integrated audio solution. Two D-J1 Decora XLR Wall Plates feed the microphone inputs on the mixer section of the HD-MA35UA. An RLC10KM provides a level control for the 70 Volt speakers serving the main conference room. The Zone 1 Line Output from the HD-MA35UA provides audio to the overflow seating area behind the meeting room. An FP-35A 35-Watt Audio Amplifier powers the 70 Volt speakers in the expansion section. The audio level in this area is adjusted by an RLC10KM connected to an ST-VCA3 Voltage Controlled Amplifier. The ST-VCA3 is powered by the auxiliary module 24 Vdc power output from the HD-MA35UA. The HD-MA35UA and FP-PA35A both enter an automatic sleep mode to provide significant energy and cost savings when the system is idle.

DISTRIBUTED OUTDOOR SOUND

User Audio Input And Level Control

AN-2031

Description:

An unbalanced stereo audio signal (RCA jacks or Mini-jack) from an external source (MP3 shown) is summed and converted to balanced mono using the DS-CIJ3 Consumer Input Jack plate. An RDL FP-PA20A 20-Watt Audio Power Amplifier feeds 70 Volt outdoor loudspeakers in the patio seating area. The wall mounted RLC10KS Remote Control allows users to adjust the audio level on the patio. The RLC10KS controls the ST-VCA3 Voltage Controlled Amplifier which sets the audio input level to the power amplifier. An FP-PA20B 20-Watt 25 Volt Power Amplifier may be used in place of the FP-PA20A if a 25 Volt system is desired.

DISTRIBUTED OUTDOOR SOUND

User Audio Input Automatically Overrides House Audio in Local Zone

AN-2032

Description:

An unbalanced stereo audio signal from the house audio system is summed and converted to a balanced mono signal using the TX-J2 Unbalanced Input Transformer. The ST-ACR Audio Controlled Relay normally connects the house audio source to the FP-PA20A 20-Watt Audio Power Amplifier which feeds 70 Volt outdoor loudspeakers in the patio seating area. The patio is equipped with a DS-CIJ3 Consumer Input Jack plate to connect an unbalanced stereo audio source (RCA jacks or Mini-jack, MP3 shown). When a source is connected and playing audio, the ST-ACR2 detects the audio and switches the amplifier input from house audio to the connected source. The patio speakers will distribute the locally connected source as long as it is playing. When the local source is finished, the ST-ACR2 switches back to the house audio. An FP-PA20B 20-Watt 25 Volt Power Amplifier may be used in place of the FP-PA20A if a 25 Volt system is desired.

HOTEL BATHROOM AUDIO

Remote Level Control and Source Selection

AN-2068

Description:

The compact size of RDL modules allows the creation of a system to provide high quality sound in a nearby room without dedicating space for electronic equipment. The example pictured allows remote level control and source selection using equipment which can be placed in electrical boxes or tucked into a TV armoire. The TX-J2 provides a balanced mono signal from the stereo unbalanced sources used in this system. The ST-SSR1 allows switching between the satellite radio receiver and the television audio in the adjacent room. It is controlled by the RC2-STS. The ST-VCA3 adjusts audio level set by the RLC10KS mounted in the wall. The power amplifier is an ST-PA18 which incorporates an on-board compressor/limiter. The ST-PA18 can provide up to 18 Watts RMS to power an 8 Ohm speaker. The completed system projects a professional, aesthetically pleasing image for years of reliable operation. This example uses fixed output levels from the two sources. The bathroom audio level is controlled by the RLC10KS remote control.

HOTEL BATHROOM STEREO AUDIO FROM TV

Compact Amplifier Integrates VCA and Compressor/Limiter

AN-2066

Description:

Providing stereo monitor speakers with remote volume control in a hotel suite bathroom is done easily with the RU-PA40D. The extremely compact RU-PA40D drives stereo 4 or 8 Ohm speakers and has an integral VCA which allows use of a 10 kΩ linear potentiometer to control level. This example uses the RLC10KS remote control to create an aesthetically pleasing and professional appearance. The RU-PA40D also features a studio quality compressor/limiter to control clipping and maximize average output levels. An input selector switch allows the unit to output a mono sum in installations where speaker placement cannot produce proper stereo imaging. This example uses the fixed output level from the television receiver. The bathroom audio level is controlled by the RLC10KS remote control.

HOTEL BATHROOM AUDIO FROM TV

Amplification with VCA Level Control

AN-2067

Description:

The compact size of the RDL modules make installation of a monitor speaker with remote volume control in a hotel suite bathroom an easy task. The TX-J2 provides a balanced mono sum of the stereo unbalanced output of the television receiver. The ST-VCA3 adjusts audio level set using the RLC10KS that is wall-mounted in the bathroom. The ST-PA18 power amplifier incorporates an on-board compressor/limiter and can provide up to 18 Watts RMS to power an 8 Ohm speaker. The full electronic package is small enough to easily be placed in a TV armoire. This example uses the fixed output level from the television receiver. The bathroom audio level is controlled by the RLC10KS remote control.

HOTEL BATHROOM AUDIO FROM TV

Amplifier Provides Speaker-Level Mono Mix

AN-2065

Description:

This drawing provides a simple way to listen to hotel room television audio in the adjacent bathroom. The ST-PA6 has several unique features that make it ideal for this application. Its input allows combining a stereo signal to a mono sum while retaining isolation between the two input signals. The ST-PA6 has a bass equalization adjustment that allows the installer to perform some loudness compensation. This example shows the use of a variable level output from the television receiver. The bathroom audio level follows the level at the television receiver.

REMOTE SWITCHING OF SPEAKER-LEVEL SIGNALS

Noise Mitigation at an Outdoor Restaurant Patio

AN-2174

Description:

At this restaurant, the outdoor patio loudspeakers are required to be turned off when no customers are seated there. The ST-LCR1H High Power Logic Controlled Relay is capable of switching up to 500 W of amplified audio. The D Series-RT2 Remote Control Selector is used to operate the ST-LCR1H from a secure location. The ST-LCR1H connects or disconnects the outdoor speakers. The D-RT2 provides visual ON and OFF indication of the outdoor speakers.