Add the Half-Life VOX/HEV TTS presets

microslopsam/setup/veskslop-tts.sh

@@ -18,6 +18,7 @@
 #                   VESKSLOP_TTS_ECHO         mono echo amount 0-100 (default 0)
 #                   VESKSLOP_TTS_WORDS        1 = synthesize each word, merge (Flextalk)
 #                   VESKSLOP_TTS_WORD_GAP_MS  silence between words in ms (0-500)
+#                   VESKSLOP_TTS_PRESET       vox | hev (Keith Bell profile preset; vox implies VOX)
 #                   VESKSLOP_TTS_VOX          1 = VOX prosody, NetTTS-style (Flextalk)
 #                   VESKSLOP_TTS_VOX_CLEAN    1 = VOX without the \!wH1/\!wH0 stutter
 #
@@ -52,6 +53,12 @@ WORDS=${VESKSLOP_TTS_WORDS:-0}
 WORD_GAP=${VESKSLOP_TTS_WORD_GAP_MS:-120}
 VOX=${VESKSLOP_TTS_VOX:-0}
 VOX_CLEAN=${VESKSLOP_TTS_VOX_CLEAN:-0}
+PRESET=${VESKSLOP_TTS_PRESET:-}
+
+# The vox preset implies VOX prosody unless the caller set VESKSLOP_TTS_VOX explicitly.
+if [ "$PRESET" = "vox" ] && [ -z "${VESKSLOP_TTS_VOX+x}" ]; then
+    VOX=1
+fi
 
 case "$VOICE" in
     sam)            ENGVOICE="Sam" ;;
@@ -173,6 +180,15 @@ if [ -n "$SPEAKER_GUID" ]; then
     P_LOWER=40
     P_EXPR=""
 
+    # Half-Life presets target Keith Bell only. Precedence: preset < VESKSLOP_TTS_PROFILE
+    # < VESKSLOP_TTS_EXPRESSION.
+    if [ "$ENGVOICE" = "Keith Bell" ]; then
+        case "$PRESET" in
+            vox) P_PITCH=3;  P_RATE=17; P_PROM=22; P_HEAD=52; P_LOWER=40; P_VOLUME=70; P_EXPR=59 ;;
+            hev) P_PITCH=15; P_RATE=24; P_PROM=22; P_HEAD=52; P_LOWER=40; P_VOLUME=70; P_EXPR=59 ;;
+        esac
+    fi
+
     if [ -n "$PROFILE" ]; then
         OLDIFS=$IFS
         IFS=','