Korzystanie z klasy System.Speech.Synthesis.SpeechSynthesizer w .Net 3.5, właściwość AudioPosition programu SpeakProgressEventArgs wydaje się być niedokładna.Czy ustawienia SpeakProgressEventArgs w SpeechSynthesizer są niedokładne?
Poniższy kod daje następujący wynik:
Kod:
using System;
using System.Speech.Synthesis;
using System.Threading;
namespace SpeechTest
{
class Program
{
static ManualResetEvent speechDoneEvent = new ManualResetEvent(false);
static void Main(string[] args)
{
SpeechSynthesizer synthesizer = new SpeechSynthesizer();
synthesizer.SpeakProgress += new EventHandler<SpeakProgressEventArgs>(synthesizer_SpeakProgress);
synthesizer.SpeakCompleted += new EventHandler<SpeakCompletedEventArgs>(synthesizer_SpeakCompleted);
synthesizer.SetOutputToWaveFile("Test.wav");
synthesizer.SpeakAsync("This holiday season, support the music you love by shopping at Made in Washington, online and at one of five local stores. Made in Washington chocolates, bountiful gift baskets and ornaments are the perfect holiday gifts for family, friends and co-workers.");
speechDoneEvent.WaitOne();
}
static void synthesizer_SpeakCompleted(object sender, SpeakCompletedEventArgs e)
{
speechDoneEvent.Set();
}
static void synthesizer_SpeakProgress(object sender, SpeakProgressEventArgs e)
{
Console.WriteLine("SpeakProgress: AudioPosition=" + e.AudioPosition + ",\tCharacterPosition=" + e.CharacterPosition + ",\tCharacterCount=" + e.CharacterCount + ",\tText=" + e.Text);
}
}
}
wyjściowa:
SpeakProgress: AudioPosition=00:00:00.0043750, CharacterPosition=0, CharacterCount=4, Text=This
SpeakProgress: AudioPosition=00:00:00.2925625, CharacterPosition=5, CharacterCount=7, Text=holiday
SpeakProgress: AudioPosition=00:00:00.9086250, CharacterPosition=13, CharacterCount=6, Text=season
SpeakProgress: AudioPosition=00:00:01.9421250, CharacterPosition=21, CharacterCount=7, Text=support
SpeakProgress: AudioPosition=00:00:02.5621250, CharacterPosition=29, CharacterCount=3, Text=the
SpeakProgress: AudioPosition=00:00:02.6760625, CharacterPosition=33, CharacterCount=5, Text=music
SpeakProgress: AudioPosition=00:00:03.2648125, CharacterPosition=39, CharacterCount=3, Text=you
SpeakProgress: AudioPosition=00:00:03.5199375, CharacterPosition=43, CharacterCount=4, Text=love
SpeakProgress: AudioPosition=00:00:03.8435625, CharacterPosition=48, CharacterCount=2, Text=by
SpeakProgress: AudioPosition=00:00:04.0701875, CharacterPosition=51, CharacterCount=8, Text=shopping
SpeakProgress: AudioPosition=00:00:04.6840625, CharacterPosition=60, CharacterCount=2, Text=at
SpeakProgress: AudioPosition=00:00:04.8036250, CharacterPosition=63, CharacterCount=4, Text=Made
SpeakProgress: AudioPosition=00:00:05.0698125, CharacterPosition=68, CharacterCount=2, Text=in
SpeakProgress: AudioPosition=00:00:05.2521250, CharacterPosition=71, CharacterCount=10, Text=Washington
SpeakProgress: AudioPosition=00:00:06.2961875, CharacterPosition=83, CharacterCount=6, Text=online
SpeakProgress: AudioPosition=00:00:07.0540625, CharacterPosition=90, CharacterCount=3, Text=and
SpeakProgress: AudioPosition=00:00:07.3331250, CharacterPosition=94, CharacterCount=2, Text=at
SpeakProgress: AudioPosition=00:00:07.6818750, CharacterPosition=97, CharacterCount=3, Text=one
SpeakProgress: AudioPosition=00:00:08.0598750, CharacterPosition=101, CharacterCount=2, Text=of
SpeakProgress: AudioPosition=00:00:08.2163750, CharacterPosition=104, CharacterCount=4, Text=five
SpeakProgress: AudioPosition=00:00:08.5971875, CharacterPosition=109, CharacterCount=5, Text=local
SpeakProgress: AudioPosition=00:00:09.0243750, CharacterPosition=115, CharacterCount=6, Text=stores
SpeakProgress: AudioPosition=00:00:10.5325625, CharacterPosition=123, CharacterCount=4, Text=Made
SpeakProgress: AudioPosition=00:00:10.7700625, CharacterPosition=128, CharacterCount=2, Text=in
SpeakProgress: AudioPosition=00:00:10.9377500, CharacterPosition=131, CharacterCount=10, Text=Washington
SpeakProgress: AudioPosition=00:00:11.6708125, CharacterPosition=142, CharacterCount=10, Text=chocolates
SpeakProgress: AudioPosition=00:00:12.9798750, CharacterPosition=154, CharacterCount=9, Text=bountiful
SpeakProgress: AudioPosition=00:00:13.6303125, CharacterPosition=164, CharacterCount=4, Text=gift
SpeakProgress: AudioPosition=00:00:14.0959375, CharacterPosition=169, CharacterCount=7, Text=baskets
SpeakProgress: AudioPosition=00:00:14.7848125, CharacterPosition=177, CharacterCount=3, Text=and
SpeakProgress: AudioPosition=00:00:15.0507500, CharacterPosition=181, CharacterCount=9, Text=ornaments
SpeakProgress: AudioPosition=00:00:15.7195000, CharacterPosition=191, CharacterCount=3, Text=are
SpeakProgress: AudioPosition=00:00:15.9872500, CharacterPosition=195, CharacterCount=3, Text=the
SpeakProgress: AudioPosition=00:00:16.1488750, CharacterPosition=199, CharacterCount=7, Text=perfect
SpeakProgress: AudioPosition=00:00:16.7275000, CharacterPosition=207, CharacterCount=7, Text=holiday
SpeakProgress: AudioPosition=00:00:17.3336875, CharacterPosition=215, CharacterCount=5, Text=gifts
SpeakProgress: AudioPosition=00:00:17.9813125, CharacterPosition=221, CharacterCount=3, Text=for
SpeakProgress: AudioPosition=00:00:18.2216875, CharacterPosition=225, CharacterCount=6, Text=family
SpeakProgress: AudioPosition=00:00:19.0973750, CharacterPosition=233, CharacterCount=7, Text=friends
SpeakProgress: AudioPosition=00:00:19.7726250, CharacterPosition=241, CharacterCount=3, Text=and
SpeakProgress: AudioPosition=00:00:19.9655625, CharacterPosition=245, CharacterCount=10, Text=co-workers
SpeakProgress: AudioPosition=00:00:20.2518750, CharacterPosition=245, CharacterCount=10, Text=co-workers
Jednak czas trwania pliku .wav produkowanych jest 15.69 sekund. To samo zachowanie występuje, jeśli wyjście do strumienia lub null.
Dla tej właściwości właściwość mówi, że właściwość to "Obiekt TimeSpan, który reprezentuje pozycję czasową zdarzenia w strumieniu wyjściowym audio".
Czy powinien to być dokładny czas wskazujący godzinę rozpoczęcia lub zakończenia wypowiedzi w pliku wyjściowym, czy też błędnie ją interpretuję?
Jaki jest wybrany głos? – Ahmad