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Grass Valley Densité Embedders and De-embedders

Densité Modules for a Variety of Audio Processing Tasks
ADX-1101 Analog audio de-embedder
ADX-1121 2 AES de-embedder
ADX-1842/1852 4 AES HD/SD de-embedder
ADX-1881 8 AES HD/SD de-embedder
ADX-3981 3Gbps/HD/SD 8 AES audio and Metadata de-embedder
AMX-1101 Analog audio embedder
AMX-1121 2 AES embedder
AMX-1842 4 AES HD/SD embedder
AMX-1881 8 AES HD/SD embedder
AMX-1901 3G/HD/SD 8 Channel Analog Audio Embedder
AMX-3981 3Gbps/HD/SD 8 AES audio and Metadata embedder

The ADX-1101 is a high-quality, high performance analog audio de-embedder designed to extract two analog audio stereo signals from a single SDI signal. The ADX-1101 comprises a DAC-1721 card (AES to analog audio converter) and an ADX-1121 card (2 AES De-Embedder). The two cards are bundled via a special connector panel that allows direct analog audio de-embedding without requiring any AES connections, in addition to optimize the slot usage.

The ADX-1121 is a high-quality de-embedder designed to handle up to tow AES 24-bit 48 kHz digital audio signals from a single SDI (SMPTE 259M) signal. The ADX-1121 will output audio silence with a loss of the SDI input. A delay of up to 6 fields can be added to the audio. The ADX-1121 has built-in audio tone, test signals and automatic 525/625 input detection. The ADX-1121 provide automatic equalization for up to 350 meters of Belden 1694A cable at 270 Mbps. In addition, these modules support signal presence detection and remote reporting. A Linear Time Code (LTC) output is provided. The audio signals can be extracted from either the HANC area of the SDI signal according to SMPTE 272M or cascade slots of the active data area. When extracting from cascade slots, ADX-1121 cards can extract digital audio signals in blocks of 2 AES pairs to a total of 48 AES pairs.

The ADX-1842 is a high quality de-embedder designed to extract up to four AES 24-bit 48 kHz digital audio signals from a single HD/SD serial digital video signal. A unique feature is its ability to extract Time Code, a serial RS-422 data signal and two GPI status signals from the video signal. The module supports signal presence detection, remote reporting, and local or remote configuration and control, and features a built-in audio tone test signal. The ADX-1852 has all of the features of the ADX-1842, excluding the HD/SD-SDI loop through outputs, and it provides an analog audio monitor output for one selectable stereo pair of signals.

The ADX-1881 is a high-quality AES de-embedder designed to extract eight (8) 24-bit 48 kHz digital audio signals, Ancillary Time Code (ATC), Longitudinal Time Code (LTC) and ancillary data from a single SMPTE 292M HD-SDI or SMPTE-259M-C SD-SDI signal. The ADX-1881 will output audio silence with a loss of the input signal. The module has a. The card provides automatic input format detection, as well as automatic equalization. A RS-422 serial data signal output is available to provide Dolby™ E Metadata output, or simply to output a serial RS-422 signal. Two opto-isolated GPI data output signals can be reconstructed from ANC data inserted by the embedder. By combining AMX-1881 embedder and ADX-1881 de-embedder cards, a full duplex link may be established.

The ADX-3981 is an advanced, high quality audio processor which de-embeds up to eight (8) AES signals at 48 kHz from a 3Gbps/HD/SD video signal. It can simultaneously process up to 32 channels of audio (16 channels from the embedded audio input plus others generated internally). Functions include down-mixing, Proc Amp, channel shuffling and mixing. Options include Automatic Loudness Control, dynamic processing (limiter, compressor, and expander) and loudness measurement. The ADX-3981 generates audio/video fingerprints (via an iControl option) to detect and measure lip-sync errors in a broadcast facility.

The AMX-1101 is a high-quality, high performance analog audio embedder designed to insert two analog audio stereo signals into a single SDI signal. The AMX-1101 comprises an ADC-1722 card (analog audio to AES converter) and an AMX-1121 card (2 AES Embedder). The two cards are bundled via a special connector panel that allows direct analog audio embedding without requiring any AES connections, in addition to optimize the slot usage.

The AMX-1121 is a high-quality embedder designed to insert two AES 24-bit 48 kHz digital audio signals into a single SDI (SMPTE 259M) signal. The AMX-1121 card has an advanced signal loss detection function that provides a near seamless transfer to an internally generated black on loss of the SDI input, thus sustaining audio embedding. A delay of up to 6 fields can be added to the audio. The AMX-1121 has built-in color bar and audio tone test signals and automatic 525/625 input detection. The AMX-1121 provides automatic equalization for up to 350 meters of Belden 1694A cable at 270 Mbps. In addition, these modules support signal presence detection and remote reporting. Linear Time Code (LTC) is sampled and encoded into a proprietary ANC packet. The audio signals may be embedded either into the HANC area of the SDI signal or into active data area slots. When inserted into the active signal area, AMX-1121 card may be cascaded to embed up to 48 AES audio signals.

The AMX-1842 is a high-quality embedder which embeds up to four AES 24-bit 48kHz digital audio signals into a single HD/SD serial digital video signal. It includes audio and video signal presence detection and reporting, and local or remote configuration and control. A unique feature is its ability to embed Time Code, a serial RS-422 data signal and two GPI status signals into the video signal. The card has built-in audio tone, Time Code and video color bar test signals.

The AMX-1881 is a high-quality interface which embeds up to eight (8) AES 24-bit 48 kHz digital audio signals into a single HD/SD serial digital video signal. The module offers audio and video signal presence detection and reporting, and local or remote configuration and control. A unique feature is its ability to embed Time Code, a serial RS-422 data signal (including Dolby Metadata) and two GPI status signals into the video signal. The card also serves as a VLI and AFD inserter for an SD or HD signal. The card has built-in audio tone, Time Code and video color bar test signals.

The AMX-1901 is an advanced, high-quality 24-bit 48 kHz analog audio embedder designed to insert up to eight analog audio signals into a 3G/HD/SD video signal. The AMX-1901 can process the eight audio input channels with functions including level, channel shuffling and mixing. Options include Automatic Loudness Control and dynamic processing (limiter, compressor and expander).

The AMX-3981 is an advanced, high quality audio processor which embeds up to eight (8) AES signals into a 3Gbps/HD/SD video signal. Each AES input can accept different sample rates, or even asynchronous audio, and will be resampled at 48 kHz by a sample rate converter, which can be manually or automatically disabled in the presence of non-PCM audio. It can simultaneously process up to 32 channels of audio (16 channels from the discrete AES inputs, and 16 channels of embedded audio). Functions include down-mixing, Proc Amp, channel shuffling and mixing. Options include Automatic Loudness Control, dynamic processing (limiter, compressor, and expander) and loudness measurement. The AMX-3981 generates audio/video fingerprints (via an iControl option) to detect and measure lip sync errors in a broadcast facility.