我有一个代码,它将把语音识别中的文本显示到文本框中。
问题:它只听一次,然后停止运行。我需要听它,直到我关闭 Tkinter
。
如果我说清除,那么它必须清除文本框中的内容。 我的问题是,我无法直接将内容告诉 Tkinter。它在 Shell 输出后监听。
请帮我解决我的问题。
编码:
from Tkinter import *
import pyaudio
import tkMessageBox
import Tkinter as tki
import tkFileDialog as th1
import speech_recognition as sr
r = sr.Recognizer()
with sr.Microphone() as source:
audio = r.listen(source)
try:
a=(r.recognize(audio))
print a
except LookupError:
a=("Could not understand audio")
print a
class App(object):
def __init__(self,root):
self.root = root
# create a Frame for the Text and Scrollbar
txt_frm = tki.Frame(self.root, width=900, height=900)
txt_frm.pack(fill="both", expand=True)
# ensure a consistent GUI size
txt_frm.grid_propagate(False)
# create first Text label, widget and scrollbar
self.lbl1 = tki.Label(txt_frm, text="Type")
self.lbl1.grid(row=0,column=0,padx=2,pady=2)
self.txt1 = tki.Text(txt_frm, borderwidth=3, relief="sunken", height=4,width=55)
self.txt1.config(font=("consolas", 12), undo=True, wrap='word')
self.txt1.grid(row=25, column=7, sticky="nsew", padx=2, pady=2)
self.txt1.insert(0.0,a)
def clearBox(self):
if a == "clear":
self.txt1.delete('1.0', 'end')
root = tki.Tk()
app = App(root)
root.mainloop()
最佳答案
您需要使用线程来运行正确的并发语音识别,并使用 after-method 更新文本小部件内容,因为 Tkinter 不支持不同方式的线程。
我这里没有语音识别功能,因此您需要填写空白并将 random.choice-call 替换为实际的语音识别功能。
import threading
import time
import random
from Tkinter import *
import tkMessageBox
import Tkinter as tki
import tkFileDialog as th1
class SpeechRecognizer(threading.Thread):
ANSWERS = ["foo", "bar"]
def __init__(self):
super(SpeechRecognizer, self).__init__()
self.setDaemon(True)
self.recognized_text = "initial"
def run(self):
while True:
time.sleep(1.0)
self.recognized_text = random.choice(self.ANSWERS)
recognizer = SpeechRecognizer()
recognizer.start()
class App(object):
def __init__(self,root):
self.root = root
# create a Frame for the Text and Scrollbar
txt_frm = tki.Frame(self.root, width=900, height=900)
txt_frm.pack(fill="both", expand=True)
# ensure a consistent GUI size
txt_frm.grid_propagate(False)
# create first Text label, widget and scrollbar
self.lbl1 = tki.Label(txt_frm, text="Type")
self.lbl1.grid(row=0,column=0,padx=2,pady=2)
self.recognized_text = StringVar()
self.txt1 = tki.Text(txt_frm, borderwidth=3, relief="sunken", height=4,width=55,
)
self.txt1.config(font=("consolas", 12), undo=True, wrap='word')
self.txt1.grid(row=25, column=7, sticky="nsew", padx=2, pady=2)
root.after(100, self.update_recognized_text)
def update_recognized_text(self):
self.txt1.delete(0.0, END)
self.txt1.insert(0.0, recognizer.recognized_text)
root.after(100, self.update_recognized_text)
def clearBox(self):
if a == "clear":
self.txt1.delete('1.0', 'end')
root = tki.Tk()
app = App(root)
root.mainloop()
关于Tkinter 中的 python 语音识别,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/26719084/