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Summary of Contents for AD-340

Page 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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Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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Page 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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