From: hackbard <hackbard>
Date: Fri, 24 Sep 2004 11:09:56 +0000 (+0000)
Subject: added make_raw tool, to create raw sound files
X-Git-Url: https://hackdaworld.org/gitweb/?a=commitdiff_plain;h=ccff379135e4edb378365575a91c2524b05b0144;p=sound-tools%2Fhdrec.git

added make_raw tool, to create raw sound files
---

diff --git a/.cvsignore b/.cvsignore
index 8b5892c..0c27c42 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1,3 +1,4 @@
 hdrec
 *.wav
 *.raw
+make_raw
diff --git a/Makefile b/Makefile
index a27d210..1d9af21 100644
--- a/Makefile
+++ b/Makefile
@@ -10,6 +10,9 @@ all: $(TARGETS)
 hdrec:
 	$(CC) $(CFLAGS) -Wall fourier.c oss_api.c hdrec.c -o hdrec -lm -ldirectfb
 
+make_raw:
+	$(CC) -O3 -Wall make_raw.c -o make_raw -lm
+
 clean:
 	rm $(OBJS) hdrec
 
diff --git a/make_raw.c b/make_raw.c
new file mode 100644
index 0000000..6d34f99
--- /dev/null
+++ b/make_raw.c
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <math.h>
+#include <unistd.h>
+
+/* produce an a + 1st and 3rd "oberschwingung" as a raw file for 44100 sr */
+
+int main() {
+
+	int i;
+	short m;
+
+	for(i=0;i<100000;i++) {
+		m=0.2*0x7fff*sin(2.0*M_PI*((double)i*440/44100));
+		m+=0.4*0x7fff*sin(4.0*M_PI*((double)i*440/44100));
+		m+=0.3*0x7fff*sin(8.0*M_PI*((double)i*440/44100));
+		write(1,&m,2);
+		write(1,&m,2);
+	}
+
+	return 1;
+}
+