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ease
features
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support

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Description

Piper is a rapidly operating, localized neural text-to-speech (TTS) system that is particularly optimized for devices like the Raspberry Pi 4, aiming to provide top-notch speech synthesis capabilities without the dependence on cloud infrastructure. It employs neural network models developed with VITS and subsequently exported to ONNX Runtime, which facilitates both efficient and natural-sounding speech production. Supporting a diverse array of languages, Piper includes English (both US and UK dialects), Spanish (from Spain and Mexico), French, German, and many others, with downloadable voice options available. Users have the flexibility to operate Piper through command-line interfaces or integrate it seamlessly into Python applications via the piper-tts package. The system boasts features such as real-time audio streaming, JSON input for batch processing, and compatibility with multi-speaker models, enhancing its versatility. Additionally, Piper makes use of espeak-ng for phoneme generation, transforming text into phonemes before generating speech. It has found applications in various projects, including Home Assistant, Rhasspy 3, and NVDA, among others, illustrating its adaptability across different platforms and use cases. With its emphasis on local processing, Piper appeals to users looking for privacy and efficiency in their speech synthesis solutions.

Description

TekIVR (Based on RFC3261) is an Interactive Voice System (IVR), a SIP, for Windows. TekIVR can be used on Microsoft Windows Vista, Windows 7/8/10/11, and Windows 2008-2022 servers. TekIVR's user interface is simple and easy to use. You can create your own IVR scenario using built-in scenario editor. You can choose your own audio files for use in an IVR scenario. TekIVR can also read out texts using TTS (Text to Speech) engine and recognize input via speech recognition. When defining prompts, Speech Synthesis Markup Language can be used. TekIVR supports SAPI and Google Cloud Speech API, Azure Cognitive Services, and MRCPv2 to support TTS and ASR functions. It supports ITU G.711 A.Mu Law, G.722 codecs, and UPnP to support NAT traversal. TekIVR can be used as a proxy between MRCP v2 based applications servers and SAPI Azure, Google Speech based speech engine. MRCP v2 based servers can use TekIVR to access SAPI, Azure, and Google Speech based TTS/ASR services.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

JSON Yes 
Python Yes 

Integrations

JSON No 
Python No 

Pricing Details

Free
Free Trial No 
Free Version Yes 

Pricing Details

$548
Permanent license, includes 5 channels
Free Trial Yes 
Free Version Yes 

Deployment

Web-Based No 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux Yes 
Chromebook No 

Deployment

Web-Based No 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows Yes 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours Yes 
Live Rep (24/7) No 
Online Support No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Rhasspy

Country

United States

Website

github.com/rhasspy/piper

Vendor Details

Company Name

KaplanSoft

Founded

2011

Country

Turkey

Website

www.kaplansoft.com/tekivr/

Product Features

Text to Speech

API No 
Adjust Speaking Rate / Pitch No 
Audio Optimization No 
Custom Lexicons No 
Different Voice Choices No 
Multi-Language Support No 
Synchronize Speech No 

Product Features

IVR

Call Center No 
Call Logging Yes 
Call Recording Yes 
Call Routing No 
Multiple Scripts No 
Phone Key Input No 
Survey Management No 
Text to Speech Yes 
Voice Customization No 
Voice Mail Yes 

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