Engineering Design NIDisk Guia do Utilizador

SIGNALtm Application Notes Version 4.04 / 5.04 March, 2008 Engineering Design

SIGNAL/RTS APPLICATION NOTES 6 Application Note 5 Buffer-Type Specific Time & Frequency Buffers 51 N ADBITS A/D resolution [Integer time fil

SIGNAL Sound File Format Application Note 5 7 File Header Block #2 User-Defined Label Fields 1-4 L BLAB1 16 characters ... ... 37-40 L

SIGNAL/RTS APPLICATION NOTES 8 Application Note 5 Exchanging Sound Files with External Systems Binary sound files can be exchanged between SIGNAL and

Application Note 6 Base Address, IRQ, and DMA Channel Usage Applies to: SIGNAL & RTS NOTE: This note applies only to DT-2821 and DART PCMCIA

SIGNAL/RTS APPLICATION NOTES 2 Application Note 6 Base Address, IRQ, and DMA Assignments The following table shows the base address, IRQ, and DMA ass

Application Note 8 Analog I/O Board Diagnostics Applies to: SIGNAL & RTS NOTE: This note applies to DT-2821 analog I/O boards. Introducti

SIGNAL/RTS APPLICATION NOTES 2 Application Note 8 normal, because the test requires special cabling. All other tests should pass. DIO is not involved

Application Note 10 Digital Transfer between SIGNAL and DAT Recorders Applies to: SIGNAL & RTS NOTE: This note has not been revised for SIGN

SIGNAL/RTS APPLICATION NOTES 2 Application Note 10 performance of representative analog and DAT recorders and transfer components. Throughout this n

Digital Transfer between SIGNAL and DAT Recorders Application Note 10 3 Transfer Software Transfer software controls data flow between the DIO board

This document is provided for the sole purpose of operating the SIGNAL system. No part of this document may be reproduced, transmitted, or stored by

SIGNAL/RTS APPLICATION NOTES 4 Application Note 10 measured by the increase in total harmonic distortion (THD) between the original and resampled sig

Digital Transfer between SIGNAL and DAT Recorders Application Note 10 5 Using the DAT File in SIGNAL The Wave file received from the DAT is limited

SIGNAL/RTS APPLICATION NOTES 6 Application Note 10 Transferring from SIGNAL to DAT Following is a connection diagram for transferring sound material

Digital Transfer between SIGNAL and DAT Recorders Application Note 10 7 Performance Specifications DAT Recorders One of the attractions of DAT recor

Application Note 11 Exchanging Data Files between SIGNAL and MATLAB Applies to: SIGNAL & RTS Introduction The MATLABtm program from The MathWo

SIGNAL/RTS APPLICATION NOTES 2 Application Note 11 Transferring Data between SIGNAL and MATLAB Following is a discussion of the SIGNAL and MATLAB com

Exchanging Data Files between SIGNAL and MATLAB Application Note 11 3 4. Example: read and plot the sample sound file C:\SIGNAL\TWEET.1. To convert

SIGNAL/RTS APPLICATION NOTES 4 Application Note 11 fid = fopen ('rfile','rb'); fseek(fid,1024,'bof'); A = fread

Exchanging Data Files between SIGNAL and MATLAB Application Note 11 5 Exporting MATLAB floating point time and frequency files to SIGNAL MATLAB valu

Table of Contents 5. SIGNAL Sound File Format 6. Base Address, IRQ, and DMA Channel Usage 8. Analog I/O Board Diagnostics 10. Digital Transfer bet

SIGNAL/RTS APPLICATION NOTES 6 Application Note 11 1 5 9 2 6 10 3 7 11 4 8 12 Note that when displaying this matrix numerica

Exchanging Data Files between SIGNAL and MATLAB Application Note 11 7 2. In SIGNAL, read the floating point (/F) file RFILE into FT buffer 1. The co

SIGNAL/RTS APPLICATION NOTES 8 Application Note 11 Issues in Data Storage and Exchange This section provides background on data storage issues that a

Exchanging Data Files between SIGNAL and MATLAB Application Note 11 9 Data Precision Another issue in data storage is different precision levels wit

SIGNAL/RTS APPLICATION NOTES 10 Application Note 11 These formats are used by the following hardware platforms: Little-endian Big-endian IBM PC M

Application Note 5 SIGNAL Sound File Format Applies to: SIGNAL & RTS Introduction This note describes the SIGNAL binary sound file format and

SIGNAL/RTS APPLICATION NOTES 2 Application Note 5 and binary coding, or headerless, i.e., with no header at all. SIGNAL can read and write binary so

SIGNAL Sound File Format Application Note 5 3 Header Section The header is a mixture of 4-byte numerical (N) and literal (L) elements. Numerical el

SIGNAL/RTS APPLICATION NOTES 4 Application Note 5 number of time and frequency cells in the matrix, XFTLEN, the FFT length of the spectrogram, and YL

SIGNAL Sound File Format Application Note 5 5 Buffer Attributes All Buffer Types 21 * N TPNTS No. data points (per channel) 22 * N SRATE