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Rane AD-22S Dual Channel Audio Delay & Audio for Video Delay
  • Rane AD-22S Dual Channel Audio Delay & Audio for Video Delay
  • Rane AD-22S Dual Channel Audio Delay & Audio for Video Delay
  • Rane AD-22S Dual Channel Audio Delay & Audio for Video Delay

Rane AD-22S Dual Channel Audio Delay & Audio for Video Delay

Manufacturer: Rane Corporation

Item #: RNE-AD22S   •   MFG #: AD-22S


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Rane AD-22S Dual Channel / Dual Mode Audio Delay for Distance Audio and Audio for Video

The Rane AD 22S is a fully balanced two-input, two-output Audio Delay unit designed for multiple applications, including speaker array synchronization and precision audio-to-video alignment. With two distinct modes, the AD 22S offers the functionality of dedicated devices within a single rack unit.

Featuring a range of 2.00 to 999.99 ms, this unit provides delay displayed in units of time, distance, or frames. Use the dedicated Video mode to provide almost a full second of audio delay in 0.5 frame increments for all standard NTSC or PAL/SECAM frame rates.

The AD 22S can operate as two independent channels or as a linked or stereo pair. Front panel controls let you choose settings for each channel that can be stored into two nonvolatile memory locations for quick and easy access at any time. Bypass relays for each channel automatically connect should the device lose power. Your settings are always saved into working memory and restored upon power up. Rear terminals let you connect standard switches to recall settings remotely.

The AD 22S's balanced XLR inputs and outputs offer the Rane standard of audio quality, with 24-bit processing and delay precision down to 0.01 ms. With the ability to provide unity gain up to a maximum input level of 24 dBu, the unit can be used with standard high-impedance devices or in a mixed environment using 600 O equipment. LEDs on the front panel indicate signal presence and alert when the signal is nearing the maximum input level.

Application Information

Distacne Mode
There's more than one way to view your time setting. If you're tired of looking at milliseconds, the delay setting can also be viewed in terms relative to distance by changing the displayed units to feet or meters and by selecting the ambient temperature in either °C or °F. The AD 22S calculates the precise environmental delay by using the relationship of air pressure and temperature to the speed of sound.

Video Mode
The AD 22S is an effective solution to the problem of aligning audio with video in broadcast. Because of the latency involved in processing video streams, timing offset accumulates that can run as high as several frames or lead to noticeable synchronization issues. While in Video mode, the AD 22S displays the delay time in the precise number of frames calculated for your current format and frame rate. You may choose from a selection of the most common frame rates to match your work situation and environment. As you adjust the number of frames needed to synchronize the audio, the AD 22S calculates the delay to match exactly what you need.

Remote Recall
In some situations it may be necessary to recall a stored setting or enable channel bypass from a location other than where the AD 22S is located. Have a room divider wall? You can install a switch to select between the two room settings automatically when the wall is moved. Does the delay for your outdoor speaker array change with the temperature? Wire up a switch to change from a memory setting adjusted for one temperature to one saved for the other when the weather warms up. For these reasons we have provided remote recall connections on the rear of the unit that can be wired to standard switches installed in any other location.

  • Features

    • Distance Mode
    • Display in milliseconds, feet, or meters
    • 2.00 to 999.99 ms Delay Range per channel
    • 0.01 ms resolution
    • Video Mode
    • Display in frames per second or milliseconds
    • Compatible with NTSC and PAL / SECAM frame rates
    • 0.5 frame resolution

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