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Sam Tts

A JavaScript port of the classic SAM speech synthesizer from 1982.

Sam Tts - Cover Image

About

Sam Tts is a text-to-speech app that brings the classic 1982 SAM voice to modern browsers. It runs in JavaScript and turns typed text into the recognizable robotic speech style associated with the Commodore C64 original. The app includes both a text-to-phoneme converter and a phoneme-to-speech output stage, so the sound stays close to the vintage software rather than a modern neural voice. According to the site, it works on Firefox, Chrome, Safari, and iOS.

What is Sam Tts

Sam Tts is a text-to-speech app that recreates SAM, the 1982 Software Automatic Mouth speech synthesizer, in JavaScript. The project is a browser-based port of the original Commodore C64 voice software, so it aims to preserve the old-school character of the SAM speech engine instead of sounding like a modern assistant.

The app is specifically described as a very small TTS program that runs on most popular platforms. Its core is the same idea that made the original SAM memorable: convert text into phonemes first, then synthesize speech from those phonemes. That two-step design is what gives this text-to-speech app its distinctive robotic tone.

Because it is a JavaScript adaptation, Sam Tts is easy to try without installing desktop software. The site also points to a GitHub repository with the source code and to a list of demos.

Key features

This text-to-speech app focuses on the essentials of the classic SAM voice:

  • Text-to-phoneme conversion using a component called reciter.
  • Phoneme-to-speech synthesis for the final audio output.
  • Browser compatibility for Firefox, Chrome, Safari, and iOS.
  • Voice controls for pitch, speed, mouth, and throat.
  • Presets that quickly change the sound profile.

The available presets shown on the site include:

  • SAM
  • Elf
  • Little Robot
  • Stuffy Guy
  • Little Old Lady
  • Extra-Terrestrial

The site also shows the numeric values behind those presets. For example, the default SAM setting uses speed 72, pitch 64, throat 128, and mouth 128, while the Little Robot preset pushes the sound toward a more mechanical result with higher mouth and throat values. Those controls matter because they shape how the text-to-speech app pronounces words and how synthetic the voice feels.

How to use it

Using Sam Tts is straightforward if you want to hear text in the SAM style.

  1. Open the app in a supported browser.
  2. Type the text you want spoken into the input area.
  3. Adjust Pitch, Speed, Mouth, and Throat to change the voice.
  4. Pick a preset if you want a quick starting point.
  5. Play the output and refine the controls until the text-to-speech app sounds right for your phrase.

A practical way to work with this text-to-speech app is to start with the default SAM preset, then compare it with one of the character presets like Elf or Little Robot. That makes it easier to hear how the controls affect articulation and tone. Since the app uses phoneme conversion, short test phrases often help more than long paragraphs when you are tuning the voice.

Who it is for

Sam Tts is a good fit for people who want a retro text-to-speech app rather than a polished modern voice.

  • Retro computing fans who know the Commodore 64 and the original SAM software.
  • Developers who want to inspect or reuse a small JavaScript TTS example.
  • Demo makers who need a distinctive computer voice for playful projects.
  • Accessibility-curious builders who want to study how a simple text-to-speech pipeline works.
  • Anyone exploring sound design and looking for a recognizable synthetic voice.

This text-to-speech app is more about character than realism. If you want a voice that sounds like a vintage computer speaker, Sam Tts is the point.

What to know before you use it

Sam Tts is not a modern AI voice generator, and it does not try to sound natural. It reproduces a specific historical speech engine, so the result is intentionally synthetic, limited, and stylized.

A few important caveats:

  • The site says it is compatible with Firefox, Chrome, Safari, and iOS, but it does not list every browser or device, so support outside those environments is unknown.
  • It is a JavaScript port of older speech software, so pronunciation can be quirky by design.
  • The app is best for novelty, demos, and retro effects, not for professional narration.
  • If you need authoritative pronunciation, accessibility-grade narration, or a voice for production media, use a modern TTS platform or official accessibility tools instead.
  • The source page mentions a GitHub repository and demos, but pricing information is not provided, so the safest assumption is that this text-to-speech app is available at no stated cost.

Sam Tts is valuable because it preserves the specific behavior of the original SAM speech engine in the browser. If you want a vintage text-to-speech app with controllable pitch, speed, mouth, and throat settings, this is a compact and historically faithful way to hear it.

FAQ

Is Sam Tts free to use? Yes, the site does not list any pricing, subscriptions, or paid tiers. Based on the public page, there is no stated cost.

What platforms does this text-to-speech app support? The site explicitly names Firefox, Chrome, Safari, and iOS. Support for other browsers or desktop environments is not confirmed on the page.

Can I change how the voice sounds? Yes, you can adjust pitch, speed, mouth, and throat. The app also provides presets like Elf, Little Robot, and Extra-Terrestrial to quickly change the voice character.

Is this a modern AI voice tool? No, it is a port of the classic SAM speech synthesizer. It uses text-to-phoneme and phoneme-to-speech processing rather than a modern neural voice model.

Can developers inspect the source? Yes, the site links to a GitHub repository with the source code. That makes the app useful both as a text-to-speech app and as a small JavaScript reference project.

If you want a compact text-to-speech app with the unmistakable SAM sound, Sam Tts is the browser version to try.

FAQ

What exactly is Sam Tts?

Sam Tts is a JavaScript port of the classic 1982 SAM (Software Automatic Mouth) speech synthesizer that originally ran on the Commodore 64. It uses a text-to-phoneme converter and a phoneme-to-speech engine to generate retro-sounding speech directly in your web browser.

Is Sam Tts free?

Yes, the site does not show any pricing or subscription plan. The public page provides the app and source code without a stated fee.

Is Sam Tts free to use?

Yes, Sam Tts is completely free and open-source. You can use the live web version at any time without charge, and the source code is available on GitHub under an open-source license.

What browsers can I use with Sam Tts?

The site explicitly says Firefox, Chrome, Safari, and iOS are supported. Other browsers are not confirmed on the page.

What voice parameters can I adjust?

You can adjust pitch (0–255), speed (0–255), mouth shape (0–255), and throat resonance (0–255) using sliders on the interface. Additionally, six built-in presets—like Elf, Little Robot, and Extra-Terrestrial—let you instantly change the voice character.

How do I change the voice in this text-to-speech app?

You change it with Pitch, Speed, Mouth, and Throat controls. The app also offers presets such as Elf, Little Robot, Stuffy Guy, and Extra-Terrestrial.

Which browsers and devices support Sam Tts?

Sam Tts runs on modern JavaScript-enabled browsers, including Firefox, Chrome, Safari, and iOS Safari. It does not require any plugins or server-side processing, so it works on both desktop and mobile devices.

Who is Sam Tts best for?

It is best for retro computing fans, developers, and anyone who wants the classic SAM robot voice. It is not aimed at users who need natural or studio-quality narration.

How accurate is the speech output?

The speech output is intentionally robotic and nostalgic, not designed for natural-sounding modern TTS. It reproduces the characteristic phoneme-based synthesis of the original SAM, which often results in quirky and entertaining pronunciations.

Does Sam Tts use AI voice generation?

No, it recreates the vintage SAM speech synthesizer instead. The app uses text-to-phoneme and phoneme-to-speech logic rather than a modern neural model.

sam-tts
Pricing
Free
CategoryAudio
PlatformWeb, iOS, Firefox, Chrome, Safari
LaunchedAug 2026
Updated2 months ago
Verified3 months ago
Tags
#text to speech#retro#commodore-64#javascript#open source#speech synthesis#web-audio
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Sam Tts
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