Phonexia Browser FAQ Q: What operating systems can your application run on? Our technologies are prepared to run on both Windows and Linux OS. For more details of the supported operating systems as well as recommended HW setup, see Recommended OS and HW in FAQ Phonexia Browser, FAQ Speech Platform Permalink Q: What are the supported audio formats? Formats supported…
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…audio manipulation SPE has built-in basic audio files manipulation functionality, like separating individual channels from stereo recordings, cut one audio to several files, save audio from incoming stream to file and others. Stream audio player To support voicebot scenarios, SPE has the ability to play audiofiles directly to output RTP stream External Text-to-speech (TTS) integration Easy integration with external TTS…
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…configured do this conversion automatically in background, see Understand SPE audio converter article. Great tools for converting other than supported formats to supported are FFmpeg (http://www.ffmpeg.org) or SoX (http://sox.sourceforge.net/). Both are multiplatform software tools for Microsoft Windows, Linux and Apple OS X. Example of usage: FFmpeg ffmpeg -i <source_audio_file_name> <output_audio_base_name>.wav This command converts any supported format/codec audio file to normalized…
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…w/o speech context) Methodology SID4 performance was measured on a virtual machine, Ubuntu 18.04 installed as host OS. SID4 v 3.21.3 command line was used, supported by VAD 3.22.1 command line used for collecting statistical metadata. The Virtual Machine was reserved only for this measurement experiment. Technical details: Driven by bash script in terminal emulator Measuring script was run 50…
…your project’s success with project-specific support and guidance from Phonexia experts. For a fee of 9,000 EUR, you can enjoy three months of: An NFR license to access and test Phonexia technologies and solutions in real scenarios Up to 20 hours of consultation with a project-allocated technical consultant All the remaining benefits of the Gold partnership level The combination of…
…it can help in other applications, too – e.g. when transcribing domain-specific audios, the frequently used domain-specific phrases can be boosted. How preferred phrases work The picture below shows a simplified standard speech transcription process – the digitized speech signal spectrum is analyzed in the neural network acoustic model (which describes the pronunciations of a given language) and goes into…
…Speech Engine is used together with Phonexia Browser in so-called “embedded” mode (see details about “embedded SPE” mode in Browser manual), Phonexia Browser creates its own separate SPE configuration file and the SQLite database file is located in SPE home directory and named phxserver.sqlite. This might be important in certain scenarios, e.g. when registering LID language pack using phxadmin –…
SPE home directory is an analogy of user home directory in operating systems (e.g. /home/ in *nix, /Users/ in macOS or Windows, etc.) – it is the place where SPE stores data for users configured in SPE. Default SPE home directory location is {SPE_installation_directory}/home/. This location can be changed using server.user.home setting in phxspe.properties SPE configuration file. Changing the home…
SPE can be easily connected with external Text-To-Speech (TTS) services using simple connector system. This article describes the principles and how-tos; following this instructions you can create your own connector, allowing to use a custom 3rd party TTS service via SPE. The TTS connector should be a command line (CLI) application or script, which communicates with the external TTS service…
…i.e. should be handled by the application built on top of the SPE API. This includes handling of any metadata associated with the processed audiofiles, like phone numbers, source of the recording, date/time the audio was recorded, references to the persons speaking in the recording (names, photos, …), languages spoken in the recording, etc. – all this data is expected…
…lengths and speech/non-speech ratios it is recommended to run the benchmark using multiple different audio files and calculate the average FtRT processing speed yourself. Alternatively, you can tune (or hack) SPE and prepare your own, or replace the default set of benchmarking recordings – see further below… Benchmark recordings sets The default sets of audio files supplied with SPE are…
MODULE 2: Filtering and supporting technologies (22 min) Common generic rules for CLI, REST and GUI Filtering, sorting, pre-/post-processing overview Speech Quality Estimation (SQE) in CLI, REST and GUI Voice Activity Detection (VAD) in CLI, REST and GUI Diarization (DIAR) in CLI, REST and GUI Age Estimation (AGE) in CLI, REST and GUI Denoiser (DENOISER) in CLI, REST and GUI…
MODULE 1: Getting started with Speech Engine (19 min) Installation Technologies configuration Server and database configuration Users configuration Files processing Synchronous and asynchronous requests, results polling Stream processing https://youtu.be/4qrB-GfFdWY…