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Conferences:

TAPR 1995 Annual Meeting, St Louis, MO.

What is this virtual page all about ? -- Click here and listen.

Couldn't attend the TAPR meeting in March of 1995 ?

Well - here is your opportunity using RealAudio to listen in to both the Sunday workshops. Using the Adobe Acrobat format (pdf) we have provided the overheads and between the audio and the overheads you should be able to get a lot from the workshop you couldn't attend!

  • You should download and then print out the overheads.
  • You should print out the time references for the presentation you plan on listening to.
  • Then select the RealAudio link to the presentation audio track and follow along!

TAPR/AMSAT DSP-93 Workshop, March 5th, 1995
TAPR Error Control Coding Seminar, March 5th, 1995



TAPR/AMSAT DSP-93 Workshop

Entire DSP-93 Workshop
    Bob Stricklin, N5BRG & Tom McDermott, N5EG
    March 5th, 1995

Download Overheads for Section 1 of 3 and 3 of 3 (pdf 281K)
Download Overheads for for Section 2 of 3 (pdf 33K)
Download the Workshop Disk (82K zip)

DSP-93 Workshop (Part 1 of 3)

Slide #     Slide Title                     Time Stamp
2,3,4       Workshop Topics / Introduction  00:00:12
5           DSP-93 Block Diagram            00:03:50
6           DSP-93 Hardware                 00:05:30
7           Architecture                    00:06:34
8-9         TMC320C25                       00:07:50
10-12       Key Registers                   00:11:40
13          TMS320C25 Auxiliary Registers   00:16:20
14          Memory Mapped Registers         00:17:30
15          Status Registers                00:18:40
16          Addressing Modes                00:21:15
17          Indirect Addressing             00:22:50
18          Direct Addressing Example       00:24:00
19          Indirect Addressing             00:27:00
20          Indirect Addressing Example     00:27:55
21          TMS320C25 Instructions          00:32:30
22          Multiply Instructions I         00:33:10
23          P-Register - 16 bits            00:34:10
24          T-Register - 16 bits            00:34:45
25          Multiply Instructions II        00:35:55
26          FIR Filter                      00:36:36
27,28       TLC320C44                       00:42:00
29          TLC320C44 Internal Timing       00:44:10
30          On-Chip Memory                  00:50:05
31-33       Port Assignments                00:51:10
34,35       Monitor Menu, Programs (demo)   00:54:45
36-39       Monitor Subroutines             01:07:10
40-47       Example Program                 01:10:30
48          DSPLOAD Program                 01:19:30
49          DSPLOAD CFG                     01:20:45
50          TASM Assembler BAT File         01:22:15
51          Workshop Disk                   01:24:00
            Questions                       01:27:00

DSP93WE Windows Interface (part 2 of 3)
            Introduction                    00:00:00
            DSP93 INI File                  00:03:30
            Demo Starts                     00:05:30

            Function Generator              00:12:00
            Digital Oscilloscope            00:21:30
            Spectrum Analyzer               00:28:30

            Help System                     00:36:00
            Customizing Interface           00:37:30
            DSP-93 Debugger                 00:41:40

DSP-93 Workshop (part 3 of 3)
            The Challenge                   00:00:00
            Information Sources     


TAPR Error Control Coding Seminar

Error Control Coding Seminar
    Phil Karn, KA9Q
    March 5th, 1995

Download Overheads for Phil's ECC Seminar (pdf 281K)

Note: The audio on this seminar was not great. We have found that setting the audio slider on the RealAudio application to 50% or less and turning up the speaker elimnates most of the noise that was compressed in the segment. We apologize for the quality -- but hey! This is our first stuff and was done long before thinking of doing this.

2           Overview                        00:00:00
3           Limits to Communications
4           Channel Capacity Formula
5           Comments on Shannon
6           Another Look at Capacity
7           Capacity Restated
8           Minimum Eb/No vs Bandwidth
9           Potential Coding Gains
10          What is Error Control Coding ?
11          Why Use Coding ?
12          Power-Limited Coding
13          Bandwidth-Limited Coding
14          Coding as Spread Spectrum
15          ECC Types
16          Block Coding
17          Error Detection Coding
18          Systematic Codes
19          Hamming Distance
20-22       Distance Properties
23          Orthoginal Signalling
24          Performance
25          Uses of Orthogonal Signals
26          Some Block Codes
27          Some More Block Codes
28-30       Reed-Solomon Codes
31          Interleaving
32          The Compact Disc
33          CICR (complete)
34          The CD-2
35          Concolution Coding
36          Code Parameters
37,38       Convolution Decoding
39          Code Tree
40          Sequential Decoding
41,42       Sequential Decoding Performance
43          Viterbi Decoding
44-46       Trellis Diagram
47          Performance vs k
48-49       Sequential vs Viterbi
50          Block vs Convolutional
51          Short Block vs Convolutional
52          Concatenated Coding
53          Voyager Code Performance
54-55       Galileo Coding
56          Coding over Fading Channels
57          Diversity vs Coding
58          Hybrid ARQ-FEC Protocols
59          Type I ARQ-FEC
60          Type II ARQ-FEC
61          Type II-2
62          Summary
63          For Further Reading


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