Release notes 4.6.0

Release date 19th January 2024

Summary

This page highlights all the changes, new features and bugs addressed within the LumenVox Containers version 4.6.0 release (this incorporates 4.5.1 changes). This change affects Speech products. This version is not available for Voice biometric products, this will be made available in upcoming releases.

Highlights

Improvements made to RabbitMQ to handle queue deletion by clients
New Prometheus metrics added lumenvox_api_active_requests & asr_active_ms_audio_processing
Improvements made to binary storage service performance

*Note: For TTS, we recommend that text not exceed 4mb (this is roughly 1300 Characters with spaces or around 250 words)

**Note: For Transcription, we recommend that users not exceed 90 minutes of transcribed audio due to gRPC size limits.

What’s new on LumenVox Cloud 4.6.0

New Features

None

Updates

Improvements made to RabbitMQ to handle queue deletion by clients
New Prometheus metrics added lumenvox_api_active_requests & asr_active_ms_audio_processing
Improvements made to binary storage service performance
Decode/recognition timeout added to ASR/Transcription requests which clients can set
Update MRCP CDR logs to report timezone
Changes made to support Apple: custom flag added to condense multiple interaction results into single result
Fixes made to resolve issues reported by customers using custom grammars in negative testing and performing grammar-based interactions.
Fixed applied to issues with ITN results for English

Installation notes

The following helm chart can be used

Helm Chart

Note that for MRCP there is no helm chart but a docker compose file. MRCP will run on its own Docker virtual machine which will integrate into the Kubernetes cluster.

Upgrade procedures

Upgrade or migration from previous versions is supported. Please contact LumenVox to discuss.

Updated API guide

APIs for all speech products available on version 4.6 can be obtained here: https://developer.lumenvox.com/4.6.0/

Information for voice biometric products relates to version 3.4.0-3.4.3

Model versions as part of the release

ASR - 4.1.0

TTS - 1.0 sample rate 22

VB - 2.1.15

VB incorporates Selene 2.4.3 which was integrated into the Container stack

Model version changes

None

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