引言
播客(Podcast)作为一种广受欢迎的媒体形式,已成为新闻、娱乐和知识传播的重要渠道。然而,制作内容丰富且结构清晰的播客脚本对许多创作者而言是一项耗时且具挑战性的任务。本文将深入探讨如何利用 DigitalOcean 的 HuggingFace 一键模型 GPU Droplet,来自动化播客脚本的生成过程,从而显著提升内容创作效率并激发无限创意。
准备工作
在开始自动化播客脚本生成之旅前,请确保您已具备以下条件:
- Python 编程基础:本教程中的所有交互代码将基于 Python 编写。
- Linux 终端操作技能:需要基本的终端导航和命令执行能力,文中会直接提供所需命令。
- 播客主题或大纲:预先确定播客的核心内容或讨论点,这将有助于 AI 模型生成更具相关性和连贯性的脚本。
- DigitalOcean 账户:如果您还没有账户,请访问 digitalocean.com 注册。
设置 HuggingFace 一键模型 GPU Droplet
首先,我们需要在 DigitalOcean 上配置一台用于运行大型语言模型(LLMs)的 GPU 服务器。您可以按照 HuggingFace 官方文档 中提供的步骤,创建一个全新的 HuggingFace 一键模型 GPU Droplet。
为了更直观地理解 Droplet 的创建过程,您可以观看以下视频教程:
完成 GPU Droplet 的启动和配置后,我们即可进入下一步。
启动个人助理应用
接下来,我们将部署一个基于 Gradio 的个人助理应用程序。这个应用将作为我们构建和测试播客脚本的交互式环境。
在您的 GPU Droplet 终端窗口中,粘贴并执行以下命令,以安装必要的 Python 包并创建脚本文件:
cd ../home
apt-get install python3-pip
pip install gradio tts huggingface_hub transformers datasets scipy torch torchaudio accelerate
touch personalAssistant.py
vim personalAssistant.py
执行 vim personalAssistant.py 命令后,Vim 文本编辑器将打开。请将以下 Python 脚本完整粘贴到 Vim 窗口中。粘贴完成后,按下 Escape 键,然后输入 :wq 并回车,保存并退出文件。
import gradio as gr
import torch
from transformers import AutoModelForCausalLM, AutoTokenizer, StoppingCriteria, StoppingCriteriaList, TextIteratorStreamer
from threading import Thread
import os
from huggingface_hub import InferenceClient
import gradio as gr
import random
import time
from TTS.api import TTS
import torch
from transformers import AutoModelForSpeechSeq2Seq, AutoProcessor, pipeline
from datasets import load_dataset
import scipy.io.wavfile as wavfile
import numpy as np
device = "cuda:0" if torch.cuda.is_available() else "cpu"
torch_dtype = torch.float16 if torch.cuda.is_available() else torch.float32
model_id_w = "openai/whisper-large-v3"
model_w = AutoModelForSpeechSeq2Seq.from_pretrained(
model_id_w, torch_dtype=torch_dtype, low_cpu_mem_usage=True, use_safetensors=True
)
model_w.to(device)
processor = AutoProcessor.from_pretrained(model_id_w)
pipe_w = pipeline(
"automatic-speech-recognition",
model=model_w,
tokenizer=processor.tokenizer,
feature_extractor=processor.feature_extractor,
torch_dtype=torch_dtype,
device=device,
)
client = InferenceClient(base_url="http://localhost:8080", api_key=os.getenv("BEARER_TOKEN"))
# Example voice cloning with YourTTS in English, French and Portuguese
# tts = TTS("tts_models/multilingual/multi-dataset/bark", gpu=True)
# get v2.0.2
tts = TTS(model_name="xtts_v2.0.2", gpu=True)
with gr.Blocks() as demo:
chatbot = gr.Chatbot(type="messages")
with gr.Row():
msg = gr.Textbox(label = 'Prompt')
audi = gr.Audio(label = 'Transcribe audio')
with gr.Row():
submit = gr.Button('Submit')
submit_audio = gr.Button('Submit Audio')
read_audio = gr.Button('Transcribe Text to Audio')
clear = gr.ClearButton([msg, chatbot])
with gr.Row():
token_val = gr.Slider(label = 'Max new tokens', value = 512, minimum = 128, maximum = 1024, step = 8, interactive=True)
temperature_ = gr.Slider(label = 'Temperature', value = .7, minimum = 0, maximum =1, step = .1, interactive=True)
top_p_ = gr.Slider(label = 'Top P', value = .95, minimum = 0, maximum =1, step = .05, interactive=True)
def respond(message, chat_history, token_val, temperature_, top_p_):
bot_message = client.chat.completions.create(messages=[{"role":"user","content":f"{message}"},],temperature=temperature_,top_p=top_p_,max_tokens=token_val,).choices[0]['message']['content']
chat_history.append({"role": "user", "content": message})
chat_history.append({"role": "assistant", "content": bot_message})
# tts.tts_to_file(bot_message, speaker_wav="output.wav", language="en", file_path="output.wav")
return "", chat_history, #"output.wav"
def respond_audio(audi, chat_history, token_val, temperature_, top_p_):
wavfile.write("output.wav", 44100, audi[1])
result = pipe_w('output.wav')
message = result["text"]
print(message)
bot_message = client.chat.completions.create(messages=[{"role":"user","content":f"{message}"},],temperature=temperature_,top_p=top_p_,max_tokens=token_val,).choices[0]['message']['content']
chat_history.append({"role": "user", "content": message})
chat_history.append({"role": "assistant", "content": bot_message})
tts.tts_to_file(bot_message, speaker_wav="output.wav", language="en", file_path="output2.wav")
tts.tts_to_file(bot_message,
file_path="output.wav",
speaker_wav="output.wav",
language="en")
return "", chat_history, #"output.wav"
def read_text(chat_history):
print(chat_history)
print(type(chat_history))
tts.tts_to_file(chat_history[-1]['content'],
file_path="output.wav",
speaker_wav="output.wav",
language="en")
return 'output.wav'
msg.submit(respond, [msg, chatbot, token_val, temperature_, top_p_], [msg, chatbot])
submit.click(respond, [msg, chatbot, token_val, temperature_, top_p_], [msg, chatbot])
submit_audio.click(respond_audio, [audi, chatbot, token_val, temperature_, top_p_], [msg, chatbot])
read_audio.click(read_text, [chatbot], [audi])
demo.launch(share = True)
脚本保存完毕后,通过以下命令运行应用程序:
python personalAssistant.py
执行成功后,终端会显示一个公共链接。复制该链接,并在本地浏览器中打开,即可访问并使用您的个人助理应用程序。
创建播客脚本
个人助理应用启动并成功访问后,我们就可以开始利用其强大的 LLM 能力来生成播客脚本了。
基于 LLMs 驱动的 HuggingFace 一键模型 GPU Droplet 具有极高的灵活性,几乎可以应对任何主题的生成需求。在输入提示(Prompt)时,务必确保模型能够理解您希望讨论的所有关键要点和细节。
以下是一个示例输入及其对应的输出,展示了模型如何根据提示生成播客对话:
示例输入:
Write a podcast script where two people, George and Maya, discuss the implications of a theoretical new competitor to Apple's Iphone. Have the two discuss in detail the consequences of the release of this new phone, considering the political, economic, and social implications of the end of the dominance of the Iphone.
输出:
Episode Title: "The Rise of a New Challenger: Implications of a Theoretical iPhone Rival"
Intro Music
George: Welcome to "Tech Talk", the podcast where we dive into the latest trends and innovations in the world of technology. I'm your host, George.
Maya: And I'm Maya. Today, we're going to explore a hypothetical scenario that's been making waves in the tech industry: the release of a new competitor to Apple's iPhone.
George: That's right. Imagine a phone that's not only on par with the iPhone in terms of hardware and software, but also offers a unique user experience that could potentially disrupt the market.
Maya: Exactly. So, let's dive into the implications of such a scenario. George, if this new phone were to become a reality, what do you think would be the immediate consequences?
Breaking Point 1: Initial Reaction
George: Well, I think the biggest impact would be on Apple's stock price. If a new competitor is offering a similar product at a lower price point, Apple's sales would likely take a hit, which would reflect in their stock price.
Maya: That's a great point. And what about the impact on consumers? Would they be willing to switch to a new brand?
Breaking Point 2: Consumer Perspective
George: I think some consumers might be interested in trying out a new brand, especially if it offers a unique feature or user experience that the iPhone doesn't. But, at the same time, there's a lot of loyalty built into the iPhone ecosystem, so it would be interesting to see how consumers respond.
Maya: That's true. And what about the impact on the ecosystem itself? Would this new competitor disrupt the entire app market?
Breaking Point 3: Ecosystem Disruption
George: Ah, that's a great question. If a new phone were to gain significant market share, it could potentially disrupt the entire app market. Developers would need to create apps for multiple platforms, which could lead to a fragmentation of the market.
Maya: Exactly. And what about the impact on the economy? Would this new competitor create new jobs or disrupt existing ones?
Breaking Point 4: Economic Impact
George: Well, it's likely that the release of a new competitor would create new jobs in the manufacturing and development sectors, but it could also lead to job losses in industries that are closely tied to the iPhone ecosystem.
Maya: That's a good point. And what about the impact on politics? Would this new competitor have any implications for national security or trade policies?
Breaking Point 5: Political Implications
George: Ah, that's an interesting question. If a new competitor were to gain significant market share, it could potentially create new tensions in the trade space, especially if the new phone were to be manufactured in a country with which the US has a trade agreement.
Maya: Exactly. And finally, what about the social implications of this new competitor? Would it lead to a more diverse and inclusive tech industry?
Breaking Point 6: Social Impact
George: Well, I think it's possible that a new competitor could lead to a more diverse and inclusive tech industry, especially if the new phone were to be designed with accessibility features or other inclusive technologies.
Maya: That's a great point. And what about the potential for social change? Would this new competitor be able to challenge the dominant narratives around tech and society?
Breaking Point 7: Social Change
George: Ah, that's a great question. If a new competitor were to gain significant market share, it could potentially challenge the dominant narratives around tech and society, especially if the new phone were to be designed with a focus on social responsibility.
Maya: Exactly. Well, that's all the time we have for today. Thanks for joining us on this thought experiment, George.
Outro Music
George: Thanks for tuning in to "Tech Talk". Join us next time for more discussions on the latest trends and innovations in the world of technology.
Maya: And don't forget to subscribe to our podcast for more in-depth analysis and expert insights.
Outro Music Continues
Note: The breaking points are indicated where the conversation can be improvised, allowing for a more dynamic and engaging discussion.
模型自动生成的脚本包含多个“Breaking Point”(切入点/讨论点),这为播客创作者提供了灵活的扩展空间,可以在这些点上进一步填充内容、引入数据或进行即兴讨论。例如,我们可以针对“Breaking Point 4: Economic Impact”提供额外的指令,让模型对该部分进行更详细的阐述。
以下是尝试扩展“Breaking Point 4”时收到的输出:
## Input
Continue this conversation. Focus entirely on the political economic implications of a new competitor for the iPhone
"Breaking Point 4: Economic Impact
George: Well, it's likely that the release of a new competitor would create new jobs in the manufacturing and development sectors, but it could also lead to job losses in industries that are closely tied to the iPhone ecosystem.
Maya: That's a good point. And what about the impact on politics? Would this new competitor have any implications for national security or trade policies?"
## Output
George: That's a great question, Maya. The implications for national security and trade policies could be significant. The iPhone is a symbol of American innovation and technological prowess, and any disruption to the market could have broader implications for the US economy and its position in the world.
Maya: I see what you mean. But what about the competitor's country of origin? If it's a company from a country like China, for example, would that change the dynamics of trade policies and national security concerns?
George: Exactly. If the competitor is a Chinese company, it could lead to increased scrutiny of Chinese trade practices and potentially even calls for tariffs or other trade restrictions. This could have a ripple effect on the global economy and potentially lead to a trade war.
Maya: That's a scary prospect. And what about the impact on the US dollar? If the competitor is able to gain significant market share, could that lead to a decrease in the value of the dollar?
George: It's possible. A decrease in the value of the dollar could make American exports more expensive and potentially lead to inflation. This could have a negative impact on the US economy and potentially even lead to a recession.
Maya: I see what you mean. But what about the impact on Apple's stock price? If the competitor is able to gain significant market share, could that lead to a decline in Apple's stock price?
George: That's a good question. If the competitor is able to gain significant market share, it could lead to a decline in Apple's stock price, potentially by 10-20% or more. This could have a significant impact on the company's valuation and potentially even lead to a change in leadership.
Maya: Wow, that's a lot to consider. But what about the impact on consumers? Would a new competitor lead to lower prices and more innovation in the smartphone market?
George: Absolutely. A new competitor could lead to increased competition, which could drive down prices and lead to more innovation in the smartphone market. This could be a win for consumers, who could see better quality and more features at lower prices.
Maya: That's a great point. But what about the impact on Apple's ecosystem? If the competitor is able to gain significant market share, could that lead to a decline in the value of Apple's ecosystem, including its App Store and other services?
George: That's a good question. If the competitor is able to gain significant market share, it could lead to a decline in the value of Apple's ecosystem
通过这些示例,我们可以清晰地看到 AI 模型能够根据给定主题提供有深度和价值的对话内容。播客创作者可以利用这些生成的“骨架”脚本,进一步添加细节、引用统计数据、进行深入研究或融入个人风格,从而完善和优化最终的播客内容。
总结与展望
HuggingFace 一键模型及其背后强大的 LLM 功能和多功能性不容小觑。通过这些先进的 AI 模型,我们不仅能够实现文章的本地化翻译、构建可媲美闭源解决方案的个人助理,如今更能高效生成完整的播客脚本。
展望未来,我们计划进一步探索利用先进的 文本到语音(Text-to-Speech, TTS)技术,实现播客脚本的完全自动化语音化过程,甚至集成语音克隆功能。这将最终实现完全由 AI 生成播客的自动化流程,为内容创作者带来前所未有的效率提升和创作自由。
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