Product category:
Materials Testing
News Release from: TerraSonde | Subject: Digital Audio Toolbox
Edited by the Manufacturingtalk Editorial
Team on 11 December 2003
Portable Audio Analyzer Replaces Bench
Test Models
TerraSonde has created a device that can effectively any stereo digital audio signal and also is capable of generating a low-noise digital signal, all at 24 bit/96k resolution.
TerraSonde has created a device that can effectively any stereo digital audio signal and also is capable of generating a low-noise digital signal, all at 24 bit/96k resolution In essence, they have taken features and functionality normally reserved for bench test equipment and made it portable, easy to use and cost effective
This article was originally published on Manufacturingtalk on 29 Jul 2004 at 8.00am (UK)
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The DSP-powered Digital Audio Toolbox has 4 main sets of I/O connectors: Digital Input 1, Digital Input 2, Digital Output, and Analog Output, as well as word clock in and out and a serial port.
Supported digital formats include AES/EBU, s/pdif, toslink, and ADAT, at bit depths of 24 bits and sample rates to 96kHz.
These give the Digital Audio Toolbox the ability to check lock between two digital streams, and to provide an analog output for monitoring, or as a test signal.
It is also designed to interface with other digital audio test equipment, and includes the first digital audio cable tester that can determine the injected interface jitter for a particular cable.
The various test functions include: Digital Tests: Transparency Test-to see if the digital data stream is being modified, Lock Test-to check lock between 2 digital signals, Latency Test-to see how long a device delays the digital audio data stream, Jitter Meter and Jitter FFT-to check interface jitter, and Cable Quality-to give the user a way to compare and test digital audio cables.
Analysis: Bitstream Analyzer-shows details of the digital audio signal, Bitscope-to see the bit activity, Digital Watchdog-to look for errors, and the Clock and Sample Counter-which shows the exact running rate of a clock or sample stream.
Tools: Digital Generator-creates a number of standard digital audio test signals, Level Meter shows digital levels, Sample Rate Converter works from 44.1k to 96k, Pass Mode-to clear or set bits in the digital header.
Utilities: Diigital Monitor lets you hear a digital signal in headphones, Dialog Level computes the Laeq for 5.1 authoring, Sony 9-pin Tester can monitor and create machine control signals, Transmit Data for sending data to a computer, and Setup and Calibration for customizing the Toolbox.
The Digital Audio Toolbox retails for $2490, which includes a foam-lined hard-shell carrying case and computer interface cables.
See TerraSonde at NAB Booth #N2149.
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