- 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.
