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Programming Sound and Speech
Video about sound and speech (11:40)

This video covers many of the sound-specific features and commands available in TI BASIC, Extended BASIC, and assembly language, as well as TI's Speech Synthesizer peripheral. The examples of the computer's sound and speech operations are shown using a combination of a real 4A console and the Classic99 emulator.

We look at:

  • The computer's sound controller, the TMS9919/SN94624
  • The tone and noise channels of the sound system
  • Sound commands and features in BASIC and Extended BASIC
  • Using music frequencies
  • The ways that sound is used in TI game cartridges
  • The Speech Synthesizer's processor, the TMS5220
  • Text-to-speech with Terminal Emulator II
  • Resident vocabulary speech with Extended BASIC
  • 5220 Linear Predictive Coding (LPC) overview
  • Composing new speech with Extended BASIC
  • Speech emulation deficiencies

SPACELIKE (TI BASIC)

A demonstration of using the three tone channels.

10 CALL SCREEN(2) 20 CALL COLOR(2,7,1) 25 CALL CHAR(42,"1018141272F4F060") 30 CALL CLEAR 40 Y=40000 50 Z=40000 60 X=INT(RND*1000)+200 70 PRINT 80 CALL HCHAR(23,(X-200)*0.03+1,42) 90 FOR A=0 TO 20 STEP 2 100 CALL COLOR(2,A/2+3,1) 110 CALL SOUND(-500,X,30-A,Y,ABS(A-10),Z,10+A) 120 NEXT A 130 Z=Y 140 Y=X 150 GOTO 60

FALLSPLAT (TI Extended BASIC)

A demonstration of tone and noise channels with sprites.

10 CALL CLEAR 20 CALL CHAR(128,"3C7EFFFFFFFF7E3C") 30 CALL CHAR(129,"301C7E3FFC3FFC65") 40 CALL CHAR(130,"0000085C1F070000") 50 CALL CHAR(131,"0200C7F4D6C48800") 60 CALL SCREEN(15) 70 CALL COLOR(2,16,16) 80 CALL HCHAR(18,1,42,224) 85 F=2500 90 FOR A=30 TO 0 STEP -3 100 CALL SOUND(-100,2500-(A*10),A) 110 NEXT A 120 CALL SPRITE(#1,128,9,1,128,20,0) 130 CALL SPRITE(#2,130,1,160,128) 140 CALL SPRITE(#3,131,1,160,128) 150 CALL SOUND(-200,F,0) 160 CALL COINC(#1,#2,6,X) 170 IF X=-1 THEN 200 180 F=F-25 190 GOTO 150 200 CALL COLOR(#2,9) 210 CALL COLOR(#3,9) 215 CALL PATTERN(#1,129) 220 CALL MOTION(#1,0,0) 230 CALL MOTION(#2,3,-15) 232 CALL MOTION(#3,3,15) 240 CALL SOUND(-200,-5,0) 250 CALL SOUND(-200,-6,0) 260 CALL SOUND(-200,-7,0) 270 CALL MOTION(#2,0,0) 280 CALL MOTION(#3,0,0) 290 DISPLAY AT(15,5):"NOW YOU'VE DONE IT" 1000 GOTO 1000

BLAHBLAH (TI Extended BASIC)

This program demonstrates keeping the music note frequencies in an array and storing a song in an array.

10 CALL CLEAR 20 CALL SOUND(-4000,932,8) 30 REM ** START ** 40 PRINT "OOHHHHHHHH..." 50 GOSUB 120 60 DU=100 70 READ Q 80 ON Q+1 GOSUB 290,200,230,260,110 90 PRINT "BLAH "; 100 GOTO 70 110 END 120 REM ** MUSIC ** 130 TRT=2^(1/12) 140 DIM NV(73) 150 NV(0)=131 160 FOR A=1 TO 72 170 NV(A)=NV(A-1)*TRT 180 NEXT A 190 RETURN 200 READ N1 210 CALL SOUND(DU,NV(N1),0) 220 RETURN 230 READ N1,N2 240 CALL SOUND(DU,NV(N1),0,NV(N2),0) 250 RETURN 260 READ N1,N2,N3 270 CALL SOUND(DU,NV(N1),0,NV(N2),0,NV(N3),0) 280 RETURN 290 CALL SOUND(DU,4E4,30) 300 RETURN 310 DATA 2,39,3 320 DATA 1,41 330 DATA 3,42,18,22 340 DATA 1,44 350 DATA 2,46,8 360 DATA 1,44 370 DATA 3,42,22,25 380 DATA 1,41 390 DATA 2,39,6 400 DATA 1,42 410 DATA 3,47,18,27 420 DATA 1,42 430 DATA 2,51,11 440 DATA 1,49 450 DATA 3,47,21,27 460 DATA 1,46 470 DATA 2,44,5 480 DATA 1,42 490 DATA 3,41,18,27 500 DATA 1,39 510 DATA 2,38,10 520 DATA 1,47 530 DATA 3,46,18,26 540 DATA 1,41 550 DATA 2,44,10 560 DATA 1,42 570 DATA 3,41,20,22 580 DATA 1,42 590 DATA 2,39,15 600 DATA 0 610 DATA 2,46,10 620 DATA 0 630 DATA 3,51,22,30 640 DATA 0 650 DATA 4

TEIISPEAK (TI BASIC with Speech Synthesizer & Terminal Emulator II inserted)

This program accepts input of words and phrases to speak using the text-to-speech features in the TEII cartridge.

10 CALL CLEAR 20 OPEN #1:"SPEECH",OUTPUT 30 PRINT "TEII SPEECH EXAMPLE" 40 PRINT 50 CALL SOUND(-700,4E4,30) 60 INPUT A$ 70 IF A$="" THEN 90 80 G$=A$ 90 IF G$="QUIT" THEN 120 100 PRINT #1:G$ 110 GOTO 50 120 END

EBSPEAK (TI Extended BASIC with Speech Synthesizer connected)

This program accepts input of words and phrases to speak words and phrases in the Speech Synthesizer's resident vocabulary.

10 CALL CLEAR 30 PRINT "EXT BASIC SPEECH EXAMPLE" 40 PRINT 50 CALL SOUND(-700,4E4,30) 60 INPUT A$ 70 IF A$="" THEN 90 80 G$=A$ 90 IF G$="QUIT" THEN 120 100 CALL SAY(G$) 110 GOTO 50 120 END

Posted in Video on 2019-02-07 07:33:00.
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