OpenAi Text To Speech TTS | Python Quick Start Tutorial, 5 Min Setup

Tech with Hitch
22 Jan 202404:19

TLDRIn this tutorial, the focus is on OpenAI's Text to Speech (TTS) capabilities. The video introduces six distinct voices, comparing the quality and latency of the tts1 and tts1 HD models. The tutorial demonstrates how to use TTS in Python, highlighting the ease of generating audio files and discussing the limitations, such as the inability to create custom voices. A comparison between the standard and HD models is made using a poem, showcasing the difference in audio quality. The video concludes by positioning OpenAI's TTS as a convenient, all-in-one solution, though it acknowledges the superior audio quality of competitors like 11 Labs.

Takeaways

  • 📘 The tutorial is about OpenAI's Text to Speech (TTS) system.
  • 🔊 OpenAI TTS offers six different voices for text conversion.
  • 🎛️ There are two models: tts1 (lower latency, lower quality) and tts1 HD (higher quality).
  • 🗣️ The alloy voice resembles the Zoomer meme voice.
  • 🎵 The Onyx voice has a monotone, low tone.
  • 🌟 The Shimmer voice is particularly liked by the tutorial creator.
  • 🗣️ OpenAI TTS supports multiple languages but performs best in English.
  • 🔑 Users need to enter their OpenAI API key to use the TTS service.
  • 📄 The script saves the generated audio as an MP3 file.
  • 🎧 A comparison between the non-HD and HD versions of the TTS model was made.
  • 📖 A longer test with a poem by Mark Mike Gentile was used to evaluate the TTS quality.

Q & A

  • What is the main topic of the tutorial?

    -The main topic of the tutorial is about OpenAI's Text to Speech (TTS) technology.

  • How many different voices does OpenAI TTS offer?

    -OpenAI TTS offers six different voices.

  • What are the two models available in OpenAI TTS?

    -The two models available are tts1 (lower latency but lower quality) and tts1 HD (higher quality).

  • Which voice does the tutorial creator find amusing?

    -The tutorial creator finds the alloy voice amusing, as it resembles the Zoomer meme voice.

  • What is the tutorial creator's opinion on the Shimmer voice?

    -The tutorial creator really likes the Shimmer voice.

  • Are there other languages supported by OpenAI TTS?

    -Yes, OpenAI TTS supports other languages, but it performs best in English.

  • What is the process for saving the generated audio file?

    -The generated audio file is saved as an MP3, and if no file path is specified, it saves on the desktop by default.

  • How does the tutorial creator compare the quality of the non-HD and HD versions of TTS?

    -The tutorial creator didn't notice much difference between the non-HD and HD versions in a short test.

  • What is the poem about in the longer test?

    -The poem is a humorous narrative about three ladies, a market protest, and a sandwich called BLT.

  • What is the biggest competitor of OpenAI TTS mentioned in the tutorial?

    -The biggest competitor mentioned is 11 Labs.

  • What is the tutorial creator's final verdict on OpenAI TTS?

    -The tutorial creator finds OpenAI TTS straightforward and appreciates having it all inside of OpenAI, despite 11 Labs having better audio quality.

Outlines

00:00

📘 Introduction to Open AI Text to Speech (TTS)

This paragraph introduces the topic of Open AI's Text to Speech (TTS) technology. It mentions that the tutorial will be brief and straightforward, focusing on Python coding. The script provides an overview of the TTS documentation, highlighting six different voice options and two audio quality models: tts1 (lower latency, lower quality) and tts1-HD (higher quality). The speaker also discusses their personal preference for the Shimmer voice and notes that while other languages are supported, the performance is best in English. The paragraph concludes with a mention of frequently asked questions and the inability to create custom voices, unlike some other services.

🔧 Setting Up and Testing TTS with Python

The speaker guides the audience through the process of setting up TTS in Python, emphasizing the importance of entering the Open AI API key. The script includes a code snippet from the documentation and explains that the audio file will be saved as an MP3 on the desktop. A test audio is played to demonstrate the difference between the standard and HD models, with the speaker noting minimal differences. The paragraph also addresses the limitations of TTS, such as the inability to create custom voices like in other services.

📖 Exploring Different Voices and Quality

In this paragraph, the speaker experiments with different voices and audio quality settings. They change the voice to Shimmer and test a longer piece of text, a poem found online by Mark Mike Gentile. The poem is read aloud to showcase the capabilities of the TTS technology. The speaker reflects on the performance of the TTS, comparing it to its main competitor, 11 Labs, and concludes that while 11 Labs may have better audio quality, Open AI's TTS is convenient due to its integration with other Open AI services.

Mindmap

Keywords

💡Open AI Text to Speech (TTS)

Open AI's Text to Speech (TTS) is a technology that converts written text into spoken words using artificial intelligence. In the video, it's the primary focus, showcasing how to use it in Python to generate speech from text. The script mentions different voices and models, such as tts1 and tts1 HD, which are used to produce speech with varying levels of latency and quality.

💡Python

Python is a widely-used high-level programming language known for its readability and simplicity. In the context of the video, Python is the chosen language for implementing the TTS functionality. The script provides a brief overview of how to code in Python to utilize Open AI's TTS service.

💡API Key

An API (Application Programming Interface) Key is a unique code that allows developers to access a service or software. In the video, the API key for Open AI is mentioned as a necessary piece of information to authenticate and use the TTS service. The script instructs viewers to enter their Open AI API key to proceed with the tutorial.

💡Latency

Latency refers to the delay before a system responds to an input or request. In the video, tts1 is described as having lower latency, meaning it responds more quickly, but at the cost of lower speech quality compared to tts1 HD, which has higher quality but takes longer to process the text to speech conversion.

💡Voice Options

Voice options in TTS services allow users to choose from different synthesized voices for their text. The video script mentions various voices like 'alloy', 'onyx', and 'shimmer', each with its unique characteristics and tones. These options enable users to customize the speech output to suit their preferences or the context of their application.

💡Audio Quality

Audio quality refers to the clarity, richness, and overall sound quality of the audio output. The video discusses two models, tts1 and tts1 HD, highlighting the trade-off between response time (latency) and the quality of the generated speech. The HD model produces higher quality audio but with increased processing time.

💡Frequently Asked Questions (FAQs)

FAQs are a list of common questions and their answers regarding a particular topic or service. In the video, the script mentions FAQs related to the TTS service, such as the inability to create custom voices, which is a feature available in some other services like 11 Labs.

💡11 Labs

11 Labs is mentioned as a competitor to Open AI's TTS service. It is known for offering high-quality audio in its text-to-speech conversion. The video script suggests that while Open AI's service is convenient due to its integration, 11 Labs may provide superior audio quality.

💡Scripting

Scripting in this context refers to writing code or a set of instructions for a program to follow. The video provides a script example for using Open AI's TTS in Python, which includes importing necessary libraries, setting up the API key, and writing the code to convert text to speech.

💡MP3

MP3 is a popular audio file format for storing and playing audio. In the video, the script mentions saving the generated speech as an MP3 file, which is a common format for audio playback and distribution. The script provides an example of how to save the output of the TTS service in this format.

💡Poem

A poem is a form of literary art that uses aesthetic and often rhythmic qualities of language to evoke meanings in addition to, or in place of, prosaic ostensible meaning. In the video, a poem by Mark Mike Gentile found on Poetry Soup is used as a longer test text for the TTS service to demonstrate its capability with more complex and creative content.

Highlights

Introduction to OpenAI Text to Speech (TTS) tutorial

Six different voices available in OpenAI TTS

Two models: tts1 (lower latency, lower quality) and tts1 HD (higher quality)

Alloy voice reminiscent of the Zoomer meme

Onyx voice with a monotone, low tone

Shimmer voice, the speaker's personal favorite

Support for other languages, but English performs best

Cannot create custom voices like some other services

Importing OpenAI API key and OS for Python coding

Saving the TTS output as an MP3 file

Comparison between non-HD and HD models

Longer test text with a poem by Mark Mike Gentile

Changing voice to Shimmer for the poem

Poem reading showcasing the TTS capabilities

TTS is straightforward and easy to use

Comparison with 11 Labs TTS, noting better audio quality

OpenAI TTS has the advantage of being integrated within the OpenAI ecosystem

Encouragement for viewers to leave questions or comments