tools: add script to generate test vectors

This should yield output comparable to the wavs at https://www.speex.org/samples/

1 files changed, 30 insertions, 0 deletions

diff --git a/src/generate-test-vectors.sh b/src/generate-test-vectors.sh
new file mode 100755
index 0000000..cb4179d
--- /dev/null
+++ b/src/generate-test-vectors.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+set -e
+set -u
+
+MALE_SAMPLE=male.wav
+FEMALE_SAMPLE=female.wav
+WB_MALE_SAMPLE=wb_male.wav
+mkdir -p test-vectors
+
+samples="${MALE_SAMPLE} ${FEMALE_SAMPLE} ${WB_MALE_SAMPLE}"
+for sample in $samples; do
+    wget --no-clobber https://www.speex.org/samples/audio/${sample}
+done
+
+bitrates="4 8 11 15"
+for b in $bitrates; do
+    kbitrate=$(expr $b \* 1000)
+    ./speexenc --narrowband --bitrate ${kbitrate}  ${MALE_SAMPLE} test-vectors/male_speex_${b}.spx
+    ./speexenc --narrowband --bitrate ${kbitrate} --vbr ${MALE_SAMPLE} test-vectors/male_speex_${b}_vbr.spx
+    ./speexenc --narrowband --bitrate ${kbitrate} ${FEMALE_SAMPLE} test-vectors/female_speex_${b}.spx
+    ./speexenc --narrowband --bitrate ${kbitrate} --vbr ${FEMALE_SAMPLE} test-vectors/female_speex_${b}_vbr.spx
+done
+
+bitrates="10 12 17 18 21 28"
+for b in $bitrates; do
+    kbitrate=$(expr $b \* 1000)
+    ./speexenc --wideband --bitrate ${kbitrate}  ${WB_MALE_SAMPLE} test-vectors/wb_male_speex_${b}.spx
+    ./speexenc --wideband  --bitrate ${kbitrate} --vbr ${WB_MALE_SAMPLE} test-vectors/wb_male_speex_${b}_vbr.spx
+done