import wave import threading import tkinter import tkinter.filedialog import tkinter.messagebox import pyaudio root = tkinter.Tk() root.title('Recorder') root.geometry('270x80+550+300') root.resizable(False, False) fileName = None allowRecording = False # 录音状态 CHUNK_SIZE = 1024 # 数据块大小 CHANNELS = 2 # 频道 FORMAT = pyaudio.paInt16 # 16位量化编码 RATE = 44100 # 音频采样率 def record(): global fileName p = pyaudio.PyAudio() # audio流对象 stream = p.open(format=FORMAT, channels=CHANNELS, rate=RATE, input=True, frames_per_buffer=CHUNK_SIZE) # 音频文件对象 wf = wave.open(fileName, 'wb') wf.setnchannels(CHANNELS) wf.setsampwidth(p.get_sample_size(FORMAT)) wf.setframerate(RATE) # 读取数据写入文件 while allowRecording: data = stream.read(CHUNK_SIZE) wf.writeframes(data) wf.close() stream.stop_stream() stream.close() p.terminate() fileName = None def start(): global allowRecording, fileName fileName = tkinter.filedialog.asksaveasfilename(filetypes=[('未压缩波形文件', '*.wav')]) if not fileName: return if not fileName.endswith('.wav'): fileName = fileName + '.wav' allowRecording = True lbStatus['text'] = 'Recording...' threading.Thread(target=record).start() def stop(): global allowRecording allowRecording = False lbStatus['text'] = 'Ready' # 关闭程序时检查是否正在录制 def closeWindow(): if allowRecording: tkinter.messagebox.showerror('Recording', 'Please stop recording before close the window.') return root.destroy() btnStart = tkinter.Button(root, text='Start', command=start) btnStart.place(x=30, y=20, width=100, height=20) btnStop = tkinter.Button(root, text='Stop', command=stop) btnStop.place(x=140, y=20, width=100, height=20) lbStatus = tkinter.Label(root, text='Ready', anchor='w', fg='green') # 靠左显示绿色状态字 lbStatus.place(x=30, y=50, width=200, height=20) root.protocol('WM_DELETE_WINDOW', closeWindow) root.mainloop()

这段代码是一个简单的录音程序，使用了Python的tkinter库和pyaudio库。它创建了一个窗口，包含了开始录音和停止录音的按钮，并显示录音状态。

在开始录音按钮的回调函数start()中，它首先弹出一个文件保存对话框，让用户选择保存录音文件的路径和文件名。然后通过创建一个PyAudio对象p和一个音频流对象stream，打开音频流并设置参数。接着创建一个Wave_write对象wf，用于写入音频数据到文件。在一个循环中，不断从音频流中读取数据，并将数据写入文件。直到停止录音按钮被按下，循环结束，关闭文件和音频流。

停止录音按钮的回调函数stop()会将全局变量allowRecording设置为False，停止录音循环，并将录音状态显示为"Ready"。

在窗口关闭时，会检查是否正在录制，如果是，则弹出错误提示框。

这段代码的功能是实现一个简单的录音程序，可以开始录制声音，并将录制的声音保存为.wav文件。

相关问题

import socket import threading import tkinter as tk

您好，这是一段 Python 代码，包含了 socket、threading 和 tkinter 三个模块的引用。其中 socket 模块用于网络编程，threading 模块用于多线程编程，tkinter 模块用于 GUI 编程。这段代码可能用于创建一个带有图形界面的网络聊天程序。请问有其他问题吗？

import os import random import time from fnmatch import fnmatch import pygame import tkinter as tk from tkinter import * import wave import threading import tkinter import tkinter.filedialog import tkinter.messagebox import pyaudio root = tk.Tk() root.geometry("450x200+374+182") root.title("英语单词") english1 = "开始" w = Label(root, font=('times', 20, 'bold'), text=english1) w.pack() timer_running = False def word(): path = "D:\MY python\English" lists = os.listdir(path) english = (random.choice(lists)) global english1 english1 = english.strip(".wav") time.sleep(3) basedir = r"D:\MY python\English" for root, dirs, files in os.walk(basedir): for file in files: english3 = os.path.join(root, file) if fnmatch(file, f"{english1}*.wav"): pygame.mixer.init() pygame.mixer.music.load(english3) pygame.mixer.music.play() w.configure(text=f"{english1}") w.after(100, word) fileName = None allowRecording = False CHUNK_SIZE = 1024 CHANNELS = 2 FORMAT = pyaudio.paInt16 RATE = 44100 def record(): global fileName p = pyaudio.PyAudio() stream = p.open(format=FORMAT, channels=CHANNELS, rate=RATE, input=True, frames_per_buffer=CHUNK_SIZE) wf = wave.open(fileName, 'wb') wf.setnchannels(CHANNELS) wf.setsampwidth(p.get_sample_size(FORMAT)) wf.setframerate(RATE) while allowRecording: data = stream.read(CHUNK_SIZE) wf.writeframes(data) wf.close() stream.stop_stream() stream.close() p.terminate() fileName = None def start(): global allowRecording, fileName fileName = tkinter.filedialog.asksaveasfilename(filetypes=[('未压缩波形文件', '*.wav')]) if not fileName: return if not fileName.endswith('.wav'): fileName = fileName + '.wav' allowRecording = True start_timer() lbStatus['text'] = '正在录音中...' threading.Thread(target=record).start() def stop(): global allowRecording allowRecording = False lbStatus['text'] = '录音已结束' stop_timer() def closeWindow(): if allowRecording: tkinter.messagebox.showerror('Recording', 'Please stop recording before close the window.') return root.destroy() def tick(): global sec sec += 1 time['text'] = sec # Take advantage of the after method of the Label if timer_running: time.after(1000, tick) def start_timer(): global timer_running timer_running = True tick() def stop_timer(): global timer_running, sec timer_running = False sec = 0 time['text'] = sec button = tk.Button(text="开始", command=word) button.pack() btnStart = tkinter.Button(root, text='开始录音', command=start) btnStart.pack() btnStop = tkinter.Button(root, text='结束录音', command=stop) btnStop.pack() lbStatus = tkinter.Label(root, text='录音已准备', anchor='w', fg='green') lbStatus.pack() root.protocol('WM_DELETE_WINDOW', closeWindow) time = Label(root, fg='green') time.pack() root.mainloop()

要实现点击按钮退出并重置时间，可以在按钮的命令函数中添加退出和重置时间的功能。以下是修改的代码示例：

import os
import random
import time
from fnmatch import fnmatch
import pygame
import tkinter as tk
from tkinter import *
import wave
import threading
import tkinter
import tkinter.filedialog
import tkinter.messagebox
import pyaudio

root = tk.Tk()
root.geometry("450x200+374+182")
root.title("英语单词")
english1 = "开始"

w = Label(root, font=('times', 20, 'bold'), text=english1)
w.pack()
timer_running = False


def word():
    path = "D:\MY python\English"
    lists = os.listdir(path)
    english = (random.choice(lists))
    global english1
    english1 = english.strip(".wav")

    time.sleep(3)
    basedir = r"D:\MY python\English"
    for root, dirs, files in os.walk(basedir):
        for file in files:
            english3 = os.path.join(root, file)
            if fnmatch(file, f"{english1}*.wav"):
                pygame.mixer.init()
                pygame.mixer.music.load(english3)
                pygame.mixer.music.play()
    w.configure(text=f"{english1}")
    w.after(100, word)


fileName = None
allowRecording = False
CHUNK_SIZE = 1024
CHANNELS = 2
FORMAT = pyaudio.paInt16
RATE = 44100


def record():
    global fileName
    p = pyaudio.PyAudio()

    stream = p.open(format=FORMAT,
                    channels=CHANNELS,
                    rate=RATE,
                    input=True,
                    frames_per_buffer=CHUNK_SIZE)

    wf = wave.open(fileName, 'wb')
    wf.setnchannels(CHANNELS)
    wf.setsampwidth(p.get_sample_size(FORMAT))
    wf.setframerate(RATE)

    while allowRecording:
        data = stream.read(CHUNK_SIZE)
        wf.writeframes(data)
    wf.close()
    stream.stop_stream()
    stream.close()
    p.terminate()
    fileName = None


def start():
    global allowRecording, fileName
    fileName = tkinter.filedialog.asksaveasfilename(filetypes=[('未压缩波形文件', '*.wav')])
    if not fileName:
        return
    if not fileName.endswith('.wav'):
        fileName = fileName + '.wav'
    allowRecording = True
    start_timer()
    lbStatus['text'] = '正在录音中...'
    threading.Thread(target=record).start()


def stop():
    global allowRecording
    allowRecording = False
    lbStatus['text'] = '录音已结束'
    stop_timer()


def closeWindow():
    if allowRecording:
        tkinter.messagebox.showerror('Recording', 'Please stop recording before close the window.')
        return
    stop_timer()  # 停止计时器
    root.destroy()


def tick():
    global sec
    sec += 1
    time['text'] = sec
    # Take advantage of the after method of the Label
    if timer_running:
        time.after(1000, tick)


def start_timer():
    global timer_running, sec
    sec = 0  # 重置时间
    timer_running = True
    tick()


def stop_timer():
    global timer_running, sec
    timer_running = False
    sec = 0
    time['text'] = sec


button = tk.Button(text="开始", command=word)
button.pack()
btnStart = tkinter.Button(root, text='开始录音', command=start)
btnStart.pack()
btnStop = tkinter.Button(root, text='结束录音', command=stop)
btnStop.pack()
lbStatus = tkinter.Label(root, text='录音已准备', anchor='w', fg='green')
lbStatus.pack()
root.protocol('WM_DELETE_WINDOW', closeWindow)
time = Label(root, fg='green')
time.pack()
root.mainloop()

在上面的代码中，我添加了一个 `stop_timer` 函数来停止计时器并重置时间。在 `stop` 函数中调用 `stop_timer` 函数来停止计时器。同时，在 `closeWindow` 函数中也调用了 `stop_timer` 函数来确保在关闭窗口之前停止计时器。