espeak options: -s 130

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
tessel · Mar 18, 2016 · b750299 · b750299
1 parent 0b583b7
commit b750299
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Showing 3 changed files with 34 additions and 3 deletions.
diff --git a/lib/index.js b/lib/index.js
@@ -1,3 +1,5 @@
+require('./array-includes-shim');
+
 var Camera = require('./camera');
 var Player = require('./player');
 var Speaker = require('./speaker');

diff --git a/lib/speaker.js b/lib/speaker.js
@@ -142,6 +142,13 @@ Speaker.prototype.say = function(phrase) {
       this.emit('timeupdate', this.currentTime);
     }, 100);
 
+    // Apply some reasonable defaults...
+    Object.keys(espeak.options).forEach(key => {
+      if (!args.includes(key)) {
+        args.push(key, espeak.options[key]);
+      }
+    });
+
     state.process = cp.spawn('espeak', args);
 
     if (this.debug) {
@@ -203,4 +210,16 @@ Speaker.prototype.stop = function() {
   return this;
 };
 
+
+var espeak = {
+  options: {
+    // Words per minute defaults to 160.
+    // Tweaking this to 130 makes the output speed
+    // much easier to hear and follow.
+    '-s': 130,
+  }
+};
+
+espeak.keys = Object.keys(espeak.options);
+
 module.exports = Speaker;
diff --git a/test/unit/speaker.js b/test/unit/speaker.js
@@ -89,7 +89,7 @@ exports['av.Speaker'] = {
     test.equal(speaker.isSpeaking, true);
     test.equal(this.spawn.callCount, 1);
     test.equal(this.spawn.lastCall.args[0], 'espeak');
-    test.deepEqual(this.spawn.lastCall.args[1], ['0']);
+    test.deepEqual(this.spawn.lastCall.args[1], [ '0', '-s', 130 ]);
     test.done();
   },
 
@@ -101,7 +101,7 @@ exports['av.Speaker'] = {
     test.equal(speaker.isSpeaking, true);
     test.equal(this.spawn.callCount, 1);
     test.equal(this.spawn.lastCall.args[0], 'espeak');
-    test.deepEqual(this.spawn.lastCall.args[1], ['hello']);
+    test.deepEqual(this.spawn.lastCall.args[1], ['hello', '-s', 130]);
     test.done();
   },
 
@@ -114,7 +114,7 @@ exports['av.Speaker'] = {
     test.equal(speaker.isSpeaking, true);
     test.equal(this.spawn.callCount, 1);
     test.equal(this.spawn.lastCall.args[0], 'espeak');
-    test.deepEqual(this.spawn.lastCall.args[1], [message]);
+    test.deepEqual(this.spawn.lastCall.args[1], [message, '-s', 130]);
     test.done();
   },
 
@@ -262,4 +262,14 @@ exports['av.Speaker'] = {
     });
     speaker.stop();
   },
+
+  reasonableEspeakOptions: function(test) {
+    test.expect(1);
+    this.clock = this.sandbox.useFakeTimers();
+    var speaker = new av.Speaker();
+    speaker.say('Hi!');
+
+    test.deepEqual(this.spawn.lastCall.args[1], [ 'Hi!', '-s', 130 ]);
+    test.done();
+  },
 };