如何用Python将PDF转换为MP3。

# -*- coding: utf-8 -*-

import pdfplumber
import asyncio  
import os
import edge_tts  
from edge_tts import VoicesManager  

async def txt2mp3(txt,mp3,announcer='Microsoft Server Speech Text to Speech Voice (zh-CN, XiaoxiaoNeural)') -> None:
    # 将文本转换为mp3音频
    communicate = edge_tts.Communicate(txt, announcer)  
    await communicate.save(mp3)

async def get_announcer(Gender="Female", Language="zh"):
    voices = await VoicesManager.create()  
    voice = voices.find(Gender=Gender, Language=Language)
    print(voice)

if __name__ == "__main__":  

    rootdir = 'd:\\python_csdn\\files\\'
    filename = '道德经.pdf'
    pdf_path = rootdir+filename
    announcer='Microsoft Server Speech Text to Speech Voice (zh-CN, XiaoxiaoNeural)'

    if 0:
        # 查看可用播音角色(性别女性，语言为中文)
        asyncio.run(get_announcer(Gender="Female", Language="zh"))
        
    if 1:
        # 读取pdf并提取文本到txt文件，并将其内容转为mp3音频文件。
        page_num = 0
        with pdfplumber.open(pdf_path) as pdf:
            for page in pdf.pages:
                textdata = page.extract_text().replace("\n", "")#提取文字后删除末尾换行，以免转音频卡顿
                page_num += 1
                txt_path = pdf_path.split(".")[0]+"{:03d}".format(page_num)+'.txt'
                if len(textdata)>0:
                    with open(txt_path ,'a',encoding='utf-8') as txt:
                        txt.write(textdata)
                        print('第'+str(page_num)+'页:',textdata)
                        mp3_path = txt_path.split(".")[0]+'.mp3'
                        asyncio.run(txt2mp3(textdata,mp3_path))
                        print('第'+str(page_num)+'个txt文件已转音频:',mp3_path)
        print('Pdf文件共有'+str(page_num)+'页，已转换完成')

    if 1:
        # 查看可用播音角色(性别女性，语言为中文)，男性Gender="Male"
        asyncio.run(get_announcer(Gender="Female", Language="zh"))

[{
    'Name': 'Microsoft Server Speech Text to Speech Voice (zh-HK, HiuGaaiNeural)',
    'ShortName': 'zh-HK-HiuGaaiNeural',
    'Gender': 'Female',
    'Locale': 'zh-HK',
    'SuggestedCodec': 'audio-24khz-48kbitrate-mono-mp3',
    'FriendlyName': 'Microsoft HiuGaai Online (Natural) - Chinese (Cantonese Traditional)',
    'Status': 'GA',
    'VoiceTag': {
        'ContentCategories': ['General'],
        'VoicePersonalities': ['Friendly', 'Positive']
    },
    'Language': 'zh'
}, {
    'Name': 'Microsoft Server Speech Text to Speech Voice (zh-HK, HiuMaanNeural)',
    'ShortName': 'zh-HK-HiuMaanNeural',
    'Gender': 'Female',
    'Locale': 'zh-HK',
    'SuggestedCodec': 'audio-24khz-48kbitrate-mono-mp3',
    'FriendlyName': 'Microsoft HiuMaan Online (Natural) - Chinese (Hong Kong)',
    'Status': 'GA',
    'VoiceTag': {
        'ContentCategories': ['General'],
        'VoicePersonalities': ['Friendly', 'Positive']
    },
    'Language': 'zh'
}, {
    'Name': 'Microsoft Server Speech Text to Speech Voice (zh-CN, XiaoxiaoNeural)',
    'ShortName': 'zh-CN-XiaoxiaoNeural',
    'Gender': 'Female',
    'Locale': 'zh-CN',
    'SuggestedCodec': 'audio-24khz-48kbitrate-mono-mp3',
    'FriendlyName': 'Microsoft Xiaoxiao Online (Natural) - Chinese (Mainland)',
    'Status': 'GA',
    'VoiceTag': {
        'ContentCategories': ['News', 'Novel'],
        'VoicePersonalities': ['Warm']
    },
    'Language': 'zh'
}, {
    'Name': 'Microsoft Server Speech Text to Speech Voice (zh-CN, XiaoyiNeural)',
    'ShortName': 'zh-CN-XiaoyiNeural',
    'Gender': 'Female',
    'Locale': 'zh-CN',
    'SuggestedCodec': 'audio-24khz-48kbitrate-mono-mp3',
    'FriendlyName': 'Microsoft Xiaoyi Online (Natural) - Chinese (Mainland)',
    'Status': 'GA',
    'VoiceTag': {
        'ContentCategories': ['Cartoon', 'Novel'],
        'VoicePersonalities': ['Lively']
    },
    'Language': 'zh'
}, {
    'Name': 'Microsoft Server Speech Text to Speech Voice (zh-CN-liaoning, XiaobeiNeural)',
    'ShortName': 'zh-CN-liaoning-XiaobeiNeural',
    'Gender': 'Female',
    'Locale': 'zh-CN-liaoning',
    'SuggestedCodec': 'audio-24khz-48kbitrate-mono-mp3',
    'FriendlyName': 'Microsoft Xiaobei Online (Natural) - Chinese (Northeastern Mandarin)',
    'Status': 'GA',
    'VoiceTag': {
        'ContentCategories': ['Dialect'],
        'VoicePersonalities': ['Humorous']
    },
    'Language': 'zh'
}, {
    'Name': 'Microsoft Server Speech Text to Speech Voice (zh-TW, HsiaoChenNeural)',
    'ShortName': 'zh-TW-HsiaoChenNeural',
    'Gender': 'Female',
    'Locale': 'zh-TW',
    'SuggestedCodec': 'audio-24khz-48kbitrate-mono-mp3',
    'FriendlyName': 'Microsoft HsiaoChen Online (Natural) - Chinese (Taiwan)',
    'Status': 'GA',
    'VoiceTag': {
        'ContentCategories': ['General'],
        'VoicePersonalities': ['Friendly', 'Positive']
    },
    'Language': 'zh'
}, {
    'Name': 'Microsoft Server Speech Text to Speech Voice (zh-TW, HsiaoYuNeural)',
    'ShortName': 'zh-TW-HsiaoYuNeural',
    'Gender': 'Female',
    'Locale': 'zh-TW',
    'SuggestedCodec': 'audio-24khz-48kbitrate-mono-mp3',
    'FriendlyName': 'Microsoft HsiaoYu Online (Natural) - Chinese (Taiwanese Mandarin)',
    'Status': 'GA',
    'VoiceTag': {
        'ContentCategories': ['General'],
        'VoicePersonalities': ['Friendly', 'Positive']
    },
    'Language': 'zh'
}, {
    'Name': 'Microsoft Server Speech Text to Speech Voice (zh-CN-shaanxi, XiaoniNeural)',
    'ShortName': 'zh-CN-shaanxi-XiaoniNeural',
    'Gender': 'Female',
    'Locale': 'zh-CN-shaanxi',
    'SuggestedCodec': 'audio-24khz-48kbitrate-mono-mp3',
    'FriendlyName': 'Microsoft Xiaoni Online (Natural) - Chinese (Zhongyuan Mandarin Shaanxi)',
    'Status': 'GA',
    'VoiceTag': {
        'ContentCategories': ['Dialect'],
        'VoicePersonalities': ['Bright']
    },
    'Language': 'zh'
}]

(base) C:\Users\Administrator>edge-tts --list-voices
Name: af-ZA-AdriNeural
Gender: Female
Name: af-ZA-WillemNeural
Gender: Male
Name: am-ET-AmehaNeural
Gender: Male
Name: am-ET-MekdesNeural
Gender: Female
Name: ar-AE-FatimaNeural
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Gender: Female
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Name: ar-KW-FahedNeural
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Gender: Female
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Gender: Female
Name: ar-LY-OmarNeural
Gender: Male
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Gender: Male
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Gender: Female
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