• DELAY:
    • The maximum signal delay time on the analog and digital outputs, in relation to the input signal, is less than 6ms.
  • DIGITAL PROCESSING:
    • DSP: Analog Devices - ADSP Blackfin BF532 / Clock: 400MHz / MMAC: 800/32 Bits - 4 DSP cards on your motherboard
  • CPU:
    • Processor: NXP- ARM-7 / LPC2387 / Clock: 72MHz / Memory: 64KB of SRAM + 512 KB Flash 32 Bits
  • STORAGE MEMORY:
    • Flash type with 4Mbits capacity
  • DISPLAY:
    • Graphic type, monochrome, with blue background and written in white and touch screen function. Resolution: 128 x 64 pixels. Size: 3 ”
  • FREQUENCY RESPONSE:
    • 1Hz to 40KHz @ 0.1 dB (Bypass processing - Preset: Proof of Perfomance)
  • NOISE:
    • 100dB on analog inputs and outputs / 120dB on digital inputs and outputs.
  • SYSTEM HARMONIC DISTORTION:
    • <0.01% @ 20Hz - 1KHz - Referenced to 100% modulation;
    • <0.04% @ 1KHz - 15KHz - Referenced to 100% modulation;
    • <0.02% - SMPTE IM - Intermodulation distortion.
  • REMOTE INTERFACE WITH COMPUTER:
    • Microsoft Windows 2000 (SP3 or greater), Windows XP, Windows Vista or Windows 7 operating system.
  • CONFIGURATION:
    • TCP / IP protocol connected directly via USB cable or via an Ethernet connection.
  • USB CONNECTION:
    • Connection to the PC via a USB 2.0 / 480Mbps port, female type B connector.
  • ETHERNET CONNECTION:
    • RJ-45 female connector, 10-100Mbps, using CAT5 cable or compatible. Native speed of 100Mbps. Used for remote connection to the PC via a network switcher access port.

2. ANALOGUE AUDIO INPUT L / R

  • CONFIGURATION:
    • Possibility of configuration: Stereo / Mono on the left channel / Mono on the right channel / Mono by the sum of both channels.
  • FILTER:
    • Selectable high-pass filter (OFF / 30/40/50/60 Hz) and selectable low-pass filter (16/25 KHz)
  • IMPEDANCE:> 10 kΩ
  • CONNECTORS:
    • Female XLR type with EMI suppression.
  • NOMINAL ENTRY LEVEL:
    • Adjustable via software -10 to +20 dBu.
    • A / D CONVERTER: AD1871 - 24 bits / 96KHz / 256x oversampled with RFI filter.

3. AES-3 STANDARD DIGITAL AUDIO INPUT

Same features of the analog audio input except for some specific differences of this signal format:
  • IMPEDANCE:
    • 110Ω balanced and isolated via transformer.
  • SAMPLING RATE:
    • 32, 44.1, 48, 88.1 and 96 kHz automatically selected.
  • CONNECTORS:
    • Female XLR type with EMI suppression.
  • NOMINAL ENTRY LEVEL:
    • Software adjustable -18 dBFS to 0 dBFS
  • MAXIMUM INPUT LEVEL: 0 Dbfs

4. ANALOGUE AUDIO OUT (MONITOR)

  • CONFIGURATION:
    • Possibility of configuration: Stereo / Matrix L + R and LR / Mono by the left channel / Mono by the right channel / Mono by the sum of both channels.
  • OPERATING MODES:
    • Process processed with pre-emphasis / Process processed with pre-emphasis and emphasis for greater control of high frequency peaks / Process processed without application of pre-emphasis - Flat / Bypass mode - the output is directly connected to the input signal.
  • FILTER:
    • Low-pass filter (FIR) with selectable cut-off frequency (16/25 KHz).
  • IMPEDANCE:
    • Source impedance - 50 Ω, electronically balanced with servo control. (Minimum acceptable load impedance: 600Ω or greater - balanced or unbalanced).
  • OUTPUT LEVEL:
    • Adjustable between -11 dBu to +18 dBu for 100% peak modulation @ 600Ω load or greater.
  • SIGNAL TO NOISE RATIO:
    • ≥ 100 dB without weighting (Bypass mode, 30 Hz - 15 kHz, referenced to 100% modulation).
  • CROSSTALK:
    • ≤ -85 dB, 30 Hz - 15 kHz.
  • HARMONIC DISTORTION:
    • ≤ 0.04% THD (Bypass Mode, 30 Hz - 15 kHz)
  • CONNECTORS:
    • Male XLR type with EMI suppression.
  • D / A CONVERTER:
    • PCM 1796 - Burr Brown: 24 bits / 96KHz / 256x oversampled with RFI filter.

5. ANALOGUE AUDIO OUT (TX)

The DAP4 TV processor has 2 balanced analog audio outputs, intended for connection to the modulator / transmitter, and can be configured in different ways to meet different needs. These outputs have high current drivers, capable of supplying loads of at least 50Ω.
  • Stereo Linked
    • The outputs become stereo for sending to a BTSC encoder and the settings for each output are “linked” to facilitate operation and minimize errors.
  • Dual Mono
    • Configuration used to send audio to up to two mono modulators / transmitters with independent settings for each one.
  • OPERATING MODES:
    • Process processed with pre-emphasis / Process processed with pre-emphasis and emphasis for greater control of high frequency peaks / Process processed without application of pre-emphasis - Flat / Bypass mode - the output is directly connected to the input signal.
  • FILTER:
    • Low-pass filter (FIR) with selectable cut-off frequency (16/25 KHz).
  • IMPEDANCE:
    • Source impedance - 50 Ω, electronically balanced with servo control. (Minimum acceptable load impedance: 600Ω or greater - balanced or unbalanced).
  • OUTPUT LEVEL:
    • Adjustable between -11 dBu to +18 dBu for 100% peak modulation @ 600Ω load or greater.
  • SIGNAL TO NOISE RATIO:
    • ≥ 100 dB without weighting (Bypass mode, 30 Hz - 15 kHz, referenced to 100% modulation).
  • CROSSTALK:
    • ≤ -85 dB, 30 Hz - 15 kHz.
  • HARMONIC DISTORTION:
    • ≤ 0.04% THD (Bypass Mode, 30 Hz - 15 kHz)
  • CONNECTORS:
    • Male XLR type with EMI suppression.
  • D / A CONVERTER:
    • PCM 1796 - Burr Brown: 24 bits / 96KHz / 256x oversampled with RFI filter.

6. DIGITAL AUDIO OUT (TX)

  • OPERATING MODES:
    • Process processed with pre-emphasis / Process processed with pre-emphasis and emphasis for greater control of high frequency peaks / Process processed without application of pre-emphasis - Flat / Bypass mode - the output is directly connected to the input signal.
  • IMPEDANCE:
    • Source impedance: 110 Ω, electronically balanced and isolated by transformer.
  • OUTPUT LEVEL:
    • Adjustable between -20 dBFS to -0 dBFS for 100% peak modulation.
  • SIGNAL TO NOISE RATIO:
    • ≥ 120 dB without weighting (Bypass mode, 30 Hz - 15 kHz, referenced to 100% modulation).
  • CROSSTALK:
    • ≤ -120 dB, 30 Hz - 15 kHz (Stereo Mode)
  • HARMONIC DISTORTION:
    • ≤ 0.01% THD (Bypass Mode, 30 Hz - 15 kHz)
  • SAMPLING RATE AND RESOLUTION:
    • 24 Bit / 96 KHz
  • CONNECTORS:
    • Male XLR type with EMI suppression.