public void TestCongnitiveSpeechSynthesis() { SpeechSynthesizer synthesizer = new SpeechSynthesizer(new Uri(SynthesisUri), SubscriptionKey); Stopwatch stopWatch = Stopwatch.StartNew(); Stream stream = synthesizer.GetSynthesizedData("ÄãºÃÄãºÃ¡£", new SynthesisParams { Language = "zh-CN", VoiceFont = VoiceName }, AudioEncode.Mp3Mono16K128Br); _output.WriteLine(stopWatch.ElapsedMilliseconds.ToString()); Assert.NotNull(stream); Assert.True(stream.Length > 0); #if DEBUG stream.Seek(0, SeekOrigin.Begin); stream.CopyTo(new FileStream(Path.Combine(_outputDirInfo.FullName, "ttsresult.mp3"), FileMode.Create)); #endif }