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Universal Audio Delay Processor 

19

 

5 Specifications 

Analog Audio: 

Standards  

Stereo (Left and Right Channel)  

Signal Level  

Line Level – 2 

Vrms

 (5.6 V

peak-to-peak

Sampling Rate  

Selectable: 32 kHz or 48 kHz 

Cable/Connectors  

Coaxial Cable with RCA Connector 

Frequency Response  

(20 Hz – 20 kHz) +/- 0.2 dB at 44.1 kHz or higher sampling rate 

ADC Gain 

+/- 24 dB – step value 1 dB (ADC Dynamic Range: 100 dB) 

DAC Gain 
S/(N+D) 

+/- 6  dB – step value 1 dB (DAC Dynamic Range: 106 dB) 
90 dB (signal-to-noise and distortion ratio) 

Digital Audio: 

Standards  

IEC 60958 Type II – Sony/Philips Interconnect Format=S/PDIF 

Audio Formats  

Linear PCM (stereo), Compressed Digital Bitstreams: Dolby Digital 5.1, DTS 5.1  
(16, 20 & 24 bit) 

Cable/Connectors  

Coaxial Cable with RCA Connector – 75 Ohm 

Signal Level  

0.5 to 0.6 V

peak-to-peak 

(transformer coupled output) 

PLL Lock Frequency 

32 to 196 kHz 

Sampling Rate  

32 kHz, 44.1 kHz, 48 kHz, 96 kHz 

Data Bitrates PCM 

32 kHz – 2 MHz, 44.1 kHz – 2.8 MHz, 48 kHz – 3.1 MHz, 96 kHz – 6 MHz 

Data Bitrates Encoded 
Bitstreams 

DTS: 1.5 Mbps – Dolby Digital- DVD: 448 kbps – Dolby Digital-BD: 640 kbps 

Delay Settings: 

Maximum Delay Time Msec 

 32 kHz: 510 ms | 44.1 kHz: 370 ms | 48 kHz: 340 ms | 96 kHz: 85 ms 

Maximum Frames 

16 video frames at both 50 Hz and 60 Hz 

Maximum Feet @ 72 °F 

32 kHz: 550 feet | 44.1 kHz: 396 feet  | 48 kHz: 362 feet  | 96 kHz: 169 feet 

Maximum Meters @ 23° C 

32 kHz: 168 meters | 44.1 kHz: 128 m | 48 kHz: 117 m | 96 kHz: 52 m 

Resolution for Delay Values 

1 msec, 1 Frame, 1 Foot, 1 Meter  

Fahrenheit Range 

 32° F to 122° F – Step Value: 1 °F 

Celsius Range 

0° C to 50° C – Step Value: 1°C 

Calculation Accuracies 

Feet to Meter, Meter to Feet; +/- 1 unit 
Celsius To Fahrenheit, Fahrenheit to Celsius: +/- 1 unit 
Feet to Millisecond, Meter to Millisecond: +/- 3 ms 

Other: 

Power Requirement 

6 to 9 v DC at 500 mADC 
6 vDC 1.5 ADC Universal Power Supply (100~240 VAC) included

 

Temperature/humidity  

Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, non-condensing 
Operating: +32 to +104 °F (0 to +40 °C) / 10% to 90%, non-condensing 

Cooling  

Convection 

Enclosure type  

Metal 

Dimensions  

1.18" H x 4.17" W x 3.85" D (30 mm H x 106 mm W x 98 mm D) 
Depth excludes connectors

 

Product weight  

0.75 lb (0.35 kg)

 

Shipping weight  

1.5 lbs (0.70 kg)

 

Vibration  

ISTA 1A in carton (International Safe Transit Association) 

Safety  

CE 

EMI/EMC  

CE, FCC Class A 

MTBF  

90,000 hours 

Warranty  

2 years parts and labor 

Specifications are subject to change without notice

 

 

6 Trademarks 

 

Hall Research and its logo 

 are trademarks of Hall Research. 

Any other trademarks mentioned in this manual are acknowledged as the 
property of the trademark owners.  

Содержание AD-340

Страница 1: ...E technical support Call 714 641 6607 or fax 714 641 6698 Address Hall Research 1163 Warner Ave Tustin CA 92780 Web site www hallresearch com E mail info hallresearch com CUSTOMER SUPPORT INFORMATION Model AD 340 Universal Audio Delay Processor User s Manual ...

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Страница 3: ... This equipment generates uses and can radiate radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio communication It has been designed to comply with the limits for a Class A computing device in accordance with the specifications in Subpart B of Part 15 of FCC rules which are intended to prov...

Страница 4: ...nterface and the front panel is simple and easy to use The AD 340 Audio Delay Processor provides both Analog Left and Right Stereo Channels and Digital Audio Inputs and Outputs including CD DVD or Blu Ray Disc quality audio processing The user controllable Delay Functions allow an adjustable digital delay for audio video synchronization timing alignment and for acoustic external delay alignments f...

Страница 5: ...ments or 0 to 16 video frames both 50 Hz and 60 Hz TV systems Delay time for analog or digital at 48 Hz sampling rate up to 340 millisecond External delay up to 510 feet or 155 meter Auto detection of digital frame rates and bitstream formats like Dolby Digital and DTS Indicators for SPDIF input signal quality Ground Loop Isolated Analog inputs and Transformer coupled SPDIF output Adjustable audio...

Страница 6: ...ttons and the Mini USB connector are on the front panel FRONT PANEL 1 Power Switch Standby Power switch 2 Red LED Indicator Indicates Digital Audio Input 3 Green LED Indicator Indicates Analog Audio Input 4 SELECT Switch Selects the Audio Input Type 5 7 segment LED Displays Delay Values and Delay Type 6 Red LED Indicator Indicates Distance as delay type Feet or Meters 7 Green LED Indicator Indicat...

Страница 7: ...ut with an RCA adapter can also be connected Using an RCA Coaxial cable Digital usually marked orange connect the Digital Audio to the audio source Using RCA Coaxial Cables connect the outputs to an Audio Video receiver or similar audio equipment Audio Equipment with DTS Decoder and Dolby Digital Decoder is required to decode Digital Bitstreams encoded in the DTS Surround 5 1 and Dolby Digital Ste...

Страница 8: ...e F50 Video Frames 50 Hz F60 Video Frames 60 Hz 8 UP Increase Increase value by 1 8 UP held down Increase Increase value by 10 9 DOWN Decrease Decrease value by 1 9 DOWN held down Decrease Decrease value by 10 8 9 UP DOWN Set to Zero Set Delay Values to ZERO 5 7 segment LED Display values 6 Red LED Time ms 7 Green LED Distance ft m No LED Frames When the Host PC GUI is active configurations can be...

Страница 9: ...e Microsoft website has freely available downloads If the software previously installed UNINSTALL the program first from either the Add Remove Programs section of the control panel or by running the previous installation setup and selecting remove application Install the software by executing the SETUP EXE program from the installation source directory The typical user should be able to accept all...

Страница 10: ...ere may be a short delay while this process occurs This detection and driver installation only occurs when the AD 340 is connected for the first time Afterwards any time a previously connected AD 340 is again connected to the PC it will be silently configured by the system Notes The software scans the AD 340 settings at a rate of 10 times per second to provide quick response times to the user The ...

Страница 11: ...he device User selects the file and after verification is allowed to proceed with the upgrade process Invalid files are rejected User must click Upgrade Firmware button User should retry upgrading the firmware if programming errors occur Exit Exits the application About Displays screen with software versions website link legal disclaimer and copyright information The Serial information displayed i...

Страница 12: ... on the Audio Sampling Rate If the sampling rate changes the delay values are automatically adjusted to fit the maximum allowed Only one delay type can be active All others not selected are disabled Milliseconds Adjusts delay in units of time ms Feet Adjusts delay in units of distance ft Meters Adjusts delay in units of distance m Frames 50 Hz Adjusts delay in units of 50 Hz frame units 20 ms per ...

Страница 13: ...ode since if you were able to go into stand by and without the USB connection no one would be able to bring the unit out of Stand By SPDIF Non PCM Indicates the active BitStream signal is NOT PCM type SPDIF Unlocked Indicates that no active BitStream signal is connected to the system SPDIF Error Indicates an error in the digital BitStream signal Audio Overflow Indicates the incoming analog audio l...

Страница 14: ...SPDIF indicators also show SPDIF input errors and whether the PLL is locked or unlocked Digital Output Audio Input Mode Input Format Analog Stereo Output Stereo PCM Bitstream 5 1 Ch ANALOG Analog L R Input 32 kHz X X ANALOG Analog L R Input 48 kHz X X DIGITAL LPCM Digital Input 32 kHz X X DIGITAL LPCM Digital Input 44 1 kHz X X DIGITAL LPCM Digital Input 48 kHz X X DIGITAL LPCM Digital Input 96 kH...

Страница 15: ...sampling rate is auto detected and cannot be changed by the user since the sampling rates are set when the source material is encoded Input Type 32 kHz 44 1 kHz 48 kHz 96 kHz Analog X X Digital X X X X For Analog Input select Sampling Rate 32 kHz or 48 kHz 3 3 3 Audio Mute Function User selectable Analog and Digital Audio Mute Functions GUI Mute Function AOUT Mute Analog Output Mute soft mutes the...

Страница 16: ...nverter ANALOG INPUT ANALOG OUTPUT Both the input ADC and output DAC gains are user controllable DIGITAL INPUT ANALOG OUTPUT When Digital Input for PCM only is converted to Analog Output the user can control the output DAC gain DIGITAL INPUT DIGITAL OUTPUT There is no Gain Control for the DIGITAL INPUT to OUTPUT for any digital formats ANALOG OVERFLOW If the Analog Input signals are over 2 Vrms th...

Страница 17: ...adjust for these types of delay by adding a digital delay function based on 5 different delay types Delay Type Delay Function Millisecond The audio will be delayed by the number of milliseconds Frames 50 Hz The audio will be delayed by the number of Video Frames Frames 60Hz The audio will be delayed by the number of Video Frames Feet Find the distance between the direct sound source main speaker s...

Страница 18: ...to temperature changes For external delay based on FEET or METERS the delay in milliseconds is calculated based on the speed of sound at the given temperature which can be set by the user and 20 ms is added due to the psychoacoustic HAAS Effect Temperature Compensation The speed of sound depends on the air temperature Sound slows down with colder temperatures and speeds up with hotter temperatures...

Страница 19: ... AOUT in the GUI are set to un mute positions not selected There is no sound when Digital Input Bitstream is selected Check that the DOUT is set to un mute position not selected in the GUI Note that the analog output is automatically muted for digital bitstreams You will need an A V Receiver with Dolby Digital Decoder or DTS Decoder to decode the encoded bitstream into multi channel audio I cannot...

Страница 20: ...r FRAME and you need to account for that in your calculations Why do the 4 Front Panel LEDs only blink when I power on the unit The AD 340 verifies that the internal firmware is valid If an error is detected the system will automatically wait for firmware to be loaded This should never happen in normal use but the GUI can be used to reload firmware into the system Contact Hall Research Support for...

Страница 21: ...5 ms Maximum Frames 16 video frames at both 50 Hz and 60 Hz Maximum Feet 72 F 32 kHz 550 feet 44 1 kHz 396 feet 48 kHz 362 feet 96 kHz 169 feet Maximum Meters 23 C 32 kHz 168 meters 44 1 kHz 128 m 48 kHz 117 m 96 kHz 52 m Resolution for Delay Values 1 msec 1 Frame 1 Foot 1 Meter Fahrenheit Range 32 F to 122 F Step Value 1 F Celsius Range 0 C to 50 C Step Value 1 C Calculation Accuracies Feet to Me...

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Страница 24: ...rved Order toll free in the U S 800 959 6439 FREE technical support Call 714 641 6607 or fax 714 641 6698 Mail order Hall Research 1163 Warner Ave Tustin CA 92780 Web site www hallresearch com E mail info hallresearch com CUSTOMER SUPPORT INFORMATION ...

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