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2002-05-07 Step response of a loudspeaker
This application note describes and illustrates the step response of a loudspeaker
2002-05-07 Reverberation time computation by using the reverse-time integrated impulse response
This application note describes the procedure in the computation of the reverberation time through the use of reverse-time integrated impulse response.
2002-05-07 Impulse and frequency response measurement of a loudspeaker
This application note describes the procedure in measuring the impulse and frequency response of a loudspeaker.
2014-03-18 Characterise vector response of broadband instruments
Know the ways to achieve high accuracy and measurements at acceptable cost.
2002-05-07 Room acoustics: Acoustical parameters measurement
This application note describes how to use the Sample Champion Room Acoustics plug-in for computing RT20, RT30, RT custom, EDT, D50, C50, C custom and TS parameters.
2002-05-07 MLS and pink filter: Why use it?
This application note discusses and illustrates why one should use MLS and pink filter.
2002-05-07 Log squared and cumulative energy plot
This application note illustrates how loudspeaker impulse response could be viewed in another way through a Room Acoustics plug-in.
2002-05-07 How to detect distortion in MLS measurements
This application note describes the process of detecting distortion in MLS measurements.
2002-05-07 Examples of reflections on a surface
This application note illustrates examples of wave reflection on a surface.
2002-05-07 Equalization and pre-equalization
This application note describes the functions of the Sample Champion system, as well as useful applications of this feature.
2005-04-06 Digitizers get FPGA-based FIR filters
Gage Applied Technologies is debuting finite impulse response filters in FPGAs in its line of 14bit digitizers.
2005-07-01 Developing software for audio/visual devices
Experts offer useful guidelines for implementing audio and video software for consumer products
2002-05-08 Butterworth and Chebyshev IIR digital filter
This application note describes how to use the Sample Champion Filter Banks plug-in for custom, octave and 1/3 octave filtering.
2000-06-23 Building high performance FIR filters using KCMs
This application note demonstrates the XC4000E FPGA as an ideal solution to high-performance FIR filter implementation with the inherent advantage of re-programming to optimize the available gates in the form of Constant (K) Coefficient Multipliers (KCM).
2002-05-07 Average in time and frequency domains
This application note discusses and illustrates the average in time and frequency domains when performing MLS measurements in noisy environments.
2004-11-15 Actel announces IP core generator for its FPGAs
Actel introduced a finite impulse response IP core generator optimized for use with the company's flash- and antifuse-based families of FPGAs.
2000-06-22 A guide to using field programmable gate arrays (FPGAs) for application-specific digital signal processing performance
This application note describes the benefits of using an FPGA as a DSP coprocessor, as well as, a stand-alone DSP engine. Two case studies, a Viterbi decoder and a 16-Tap FIR filter are used to illustrate how the FPGA can radically accelerate system performance and reduce component count in a DSP application.
2015-11-18 5G air interfaces require channel measurements
In this article, we look at why 5G air interfaces will need channel measurements to meet the upcoming technical challenges.
2000-06-22 16-Tap, 8-Bit FIR filter applications guide
This application note describes the functionality and integration of a 16-tap, 8-bit Finite Impulse Response (FIR) filter macro with predefined coefficients, such as low pass, and a sample rate of 5.44MSa/s or 784 MIPS using an XC4000-4 device.
2005-11-16 Ultrafast LCD panels break 4ms barrier
New design materials and manufacturing processes are allowing faster LCDs than ever before.
2012-06-08 Dealing with drooping DAC and ADC responses
Learn about the troublesome problem of unexpected droop when working on your DAC and ADC responses.
2007-03-12 PowerPC processor with floating point unit for Virtex-4 FX devices
This application note describes how to implement a Virtex-4 FX PowerPC 405 system with the Xilinx floating point unit (FPU) coprocessor. An FPU connected to the PowerPC auxiliary processor unit (APU) interface can accelerate software applications from anywhere between three to twenty times. The reference design provided includes a completed design created using the Xilinx Embedded Development Kit (EDK). Source code for a finite impulse response (FIR) filter is provided along with a graphics utility for display output on a Windows-based PC.
2001-05-14 Overflow avoidance techniques in cascaded IIR filter implementations on the TMS320 DSP's
This application note presents four techniques for overflow avoidance in implementations of infinite impulse response (IIR) filters on the TMS320 fixed-point DSPs.
2009-05-07 Firmware boosts oscilloscope throughput
Tektronix Inc. has released a new firmware for the DPO7000, DPO/DSA70000 and DPO/DSA70000B series oscilloscopes that provide up to 20x throughput improvements for all measurements and applications utilizing finite impulse response filters.
2001-05-11 Extended precision IIR filter design on the TMS320C54x DSP
This application note presents methods of achieving a good compromise in accuracy when carrying out extended-precision multiplications for the implementation of IIR (Infinite Impulse Response) filters on the TMS320C54x DSP series.
2000-09-08 Designing digital filters with Zilog's Z89c00 and Z89462
This application note demonstrates how to easily design finite impulse response (FIR) low-pass, high-pass, band-pass and band-stop filters using Zilog's highly versatile Z89C00 and Z89462 DSPs.
2002-02-21 Zhongxu voltage sensors feature >500-megohm insulation resistance
The devices measure ac, dc and impulse voltage making them suitable for use in automatic control systems, overvoltage protection, variable speed motor, power source, invert welder, and energy management
2011-09-01 Speeding up medical imaging process using FPGA
Read about the use of FPGA platform and a synthesis tool called Impulse C to speed up a statistical line of reaction estimation for a high-resolution PET scanner
2005-10-21 VXS board packs dual 2.2GS/s A/D channels
The new Quixilica Neptune 2 VXS from TEK Microsystems combines field programmable gate arrays with dual 2.2GS/s data conversion channels.
2008-12-15 Video processing library offers free DaVinci accelator
TI has launched a new royalty-free video/imaging co-processor Signal Processing Library that offers signal processing application developers access the DaVinci technology accelerator.
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