C/audio/README.md

@@ -1,14 +0,0 @@
-# Audio
-
-Compile the program with
-
-
-```bash
-gcc -lm waves.c
-```
-
-Execute and hear the output with
-
-```bash
-./a.out | aplay
-```

C/audio/waves.c

@@ -1,67 +0,0 @@
-///////////////////////////////////////////////////////////////////////////////////////////////////
-// Tyler Perkins
-// 12-30-20
-// Testing command line audio
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <math.h>
-
-int main(int argc, char** argv){
-    if(argc != 1){
-        printf("Usage: %s\n", argv[0]);
-        return -1;
-    }
-
-    //sawtooth wave
-    for(int t=0, osc=0; t<8000; t++, osc += 14){
-        putchar(osc);
-    }
-
-    //square wave
-    for(int t=0, osc=0; t<8000; t++, osc += 14){
-        putchar(osc & 0x80);
-    }
-
-    //sine wave
-    for(int t=0, osc=0; t<8000; t++, osc += 14){
-        putchar(127 * sin(osc/255.0*2*3.1415) + 128);
-    }
-
-    
-    /* kinda bass guitar?
-     *
-     * The idea here is an array full of random data, with 
-     * an array size equal to the period of the wave
-     * (for 440 its ~18) then loop the array. 
-     * Then we average out the current value and next one
-     * Till we get a faded noise to silence
-     *
-     * Pretty cool ngl
-     */
-
-    unsigned char a[18];
-
-    //init the array with random data
-    FILE *fp;
-    fp = fopen("/dev/random", "r");
-    if(fp == NULL){
-        printf("Couldnt open random stream!\n");
-        return -1;
-    }
-    if(fgets(a,sizeof(a),fp)==NULL){
-        printf("Failed to read the random stream!\n");
-        return -1;
-    }
-    fclose(fp);
-
-    //play the bass guitar
-    for(int t=0;t<8000;t++){
-        int i = t % sizeof(a);
-        int j = (t+1) % sizeof(a);
-        putchar(a[i] = (a[i] + a[j])/2);
-    }
-
-    return 0;
-}