Microsoft Azure AI Speech vs Murf API

The best way to compare Microsoft Azure AI Speech vs Murf API: audio samples, latency, features, plans, pricing, and more.

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Microsoft Azure AI Speech

Enables your applications, tools, or devices to convert text into human-like synthesized speech.
vs

Murf API

Deploy high quality voices for your apps, website and other services at scale.

Voice Quality

Microsoft Azure AI Speech Samples

Mean Opinion Score
Fiction
3.69
Non-Fiction
3.13
Conversation
3.18

Murf API Samples

Mean Opinion Score
Fiction
N/A
Non-Fiction
N/A
Conversation
N/A

Mean Opinion Score (MOS) is a numerical measure that represents the perceived quality of audio samples, commonly used in evaluating text-to-speech systems. The score ranges from 1 to 5, with 1 indicating poor quality and 5 signifying excellent quality. These scores are derivedfrom comprehensive, professionally-conducted evaluations, and are anonymized to ensure unbiased results.

Features

Microsoft Azure AI Speech Features

Voice Cloning
Multi-lingual
Per-word Timestamps
Pitch Control
Speed Control
Phone Formats (e.g. pcm_mulaw)

Murf API Features

Voice Cloning
Multi-lingual
Per-word Timestamps
Pitch Control
Speed Control
Phone Formats (e.g. pcm_mulaw)

Features - Conclusion

  • Comprehensive Capabilities: Shared Features: Both Microsoft Azure AI Speech and Murf API offer a range of features that cater to the development of applications requiring text-to-speech capabilities, including voice cloning, multi-lingual support, pitch and speed control, and support for phone formats.
  • Advanced Synchronization: Azure's Per-Word Timestamps:However, Microsoft Azure AI Speech provides additional functionality with per-word timestamps, which could be crucial for applications requiring precise synchronization between text and speech. This comparison highlights the importance of specific features like per-word timestamps in choosing the right text-to-speech service for developers' needs.

Pricing & Plans

Microsoft Azure AI Speech Pricing

Free

$0/mo

  • 5 hours of audio (~225K chars)

Pay As You Go

$15/mo

  • 1M characters

Murf API Pricing

API Subscription

$3000/year

  • 12M characters (per year)

Pricing & Plans - Conclusion

  • Cost-Effective Solution: Microsoft Azure AI Speech: In a direct comparison of pricing for text-to-speech services, Microsoft Azure AI Speech offers a more cost-effective solution with its Pay As You Go plan priced at $15 per million characters, significantly lower than Murf API's annual subscription rate of $250 per million characters. This makes Microsoft Azure AI Speech a more budget-friendly option for users looking to convert text to speech.
  • Value Consideration: Beyond Cost: However, users should consider their specific needs and the overall value each service provides beyond just the cost.

Customer Reviews

Microsoft Azure AI Speech Reviews

4.6 out of 5
Average of 88 ratings from leading review sites.

Customers appreciate Azure Text to Speech API for its ease of use, high-quality audio output, and seamless integration with other services. They find it particularly beneficial for accessibility and enhancing user experience across various applications. However, concerns about the cost and limited customization options are frequently mentioned. The API's multilingual support and continuous updates are praised, but some users desire improvements in voice naturalness and additional language options.

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Murf API Reviews

3.8 out of 5
Average of 819 ratings from leading review sites.

Murf API generally receives praise for its variety of natural-sounding voices, user-friendly interface, and quick setup, making it a popular choice for voiceover projects. Customers appreciate the diverse voice options and the ability to customize speech patterns. However, there are significant concerns about the pricing model, which many find too expensive and restrictive in terms of voice generation limits. Additionally, there are complaints about customer service and misleading information regarding free trials and subscriptions. Issues with billing practices and refund policies are also frequently mentioned, causing distrust among some users.

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Summary

  • Feature-Rich and Cost-Effective: Azure's Advantages: When comparing Microsoft Azure AI Speech and Murf API for text-to-speech services, Microsoft Azure AI Speech emerges as a more cost-effective and feature-rich option. It offers a wider range of features, including per-word timestamps and a higher mean opinion score on voice quality across different content types, at a lower cost per million characters.
  • Overall Recommendation: Therefore, for developers seeking a balance between quality, functionality, and affordability, Microsoft Azure AI Speech stands out as the preferable choice.

TTS Property

Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.

Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.

TTS Property

-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy low latency websocket support and mult-speaker voice generation at pricing that helps you scale.


Our next-gen TTS model surpasses competitors on performance at onespeaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoyspeaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoyspeaker voice generation at pricing that helps you scale.Our next-gen TTS model surpasses competitors on performance at one-tenth the cost. Enjoy

Signal Noise Ratio

Signal Noise Ratio

Signal Noise Ratio

The signal-to-noise ratio (SNR) is a crucial metric that measures  the amount of useful information vs. false or irrelevant background noise, frequently measured in decibels (dB). Engineers aim to maximize SNR to enhance system performance by minimizing noise interference.

Do you offer any free credits for TTS & ASR?

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We offer a generous free plan for developers with one month of free:

  • 160 hours of text-to-speech generation
  • 1.2 million characters of speech-to-text transcription

What is the monthly subscription?

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Our monthly plan is $20 per month for

  • 160 hours of text-to-speech generation
  • 1.2 million characters of Speech-to-Text transcription

Once you exceed those limits, you can add $5 top-ups to your plan for

  • additional 30hrs of Text-to-Speech
  • additional 300,000 characters of Speech-to-Text

Do you offer voices & transcription other in languages?

drop-down

We currently only have English voice generation & transcription. But we're working on multilingual voice support, expected to roll out in 2-3 months.

Can I create custom voices (voice cloning)?

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Please contact us at founders@snr.audio with your custom voice (voice cloning) usecase. Once approved by our compliance team, you will get access to your custom voice in under 48-72 hours.

Can I use the generated audio & transcription commercially?

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Yes, audio & transcription generated with Signal Noise Labs can be used commercially. You own the license to the generated content to perpetuity.

How do I cancel my subscription?

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You can cancel your subscription at any time. Go to the Subscription panel in the dashboard and click the "Cancel Subscription" button.

app.snr.audio

SNR.Audio

SNR.Audio - Text to Speech and Speech to Text