Added

• Option to allow "unknown" words to be recognized with Kaldi with Text FST grammar enabled
• Changeable "cancel" word that can be spoken at any time to trigger a recognition failure
• Preliminary support for Arabic (ar)
• Initial support for Vosk ASR (English, German, French, Spanish, Italian, Russian, Portuguese, Vietnamese, Arabic)
• New Larynx voices for German, Dutch, and English
• Multiple audio streams for Precise/Porcupine/Snowboy/Pocketsphinx wake word service (thanks Romkabouter)
• Raven speed optimizations for dynamic time warping code (thanks maxbachmann)
• Dialogue manager will convert audio files to WAV using soundfile and audioread
• dialogue.sound_suffixes profile setting controls file extensions searched for when dialogue feedback sound path is a directory
• rhasspy-speakers-cli-mqtt will convert audio bytes to WAV using soundfile and audioread
• Wake word systems can receive raw UDP audio from multiple sites, and forward it to MQTT (see wake..udp_site_info)

Fixed

• Websocket queues are retained between restarts (thanks sabeechen)
• Avoid skipping 0 value in fsticuffs intent recognition
• Fix fsticuffs bug for dropping multiple words: [foo | bar]:

Changed

• The rhasspy-silence CLI tool can now split audio by silence and trim silence

Added

• New version of Larynx with improved performance and 35 voices (20 English, 1 German, 3 French, 2 Spanish, 3 Dutch, 2 Italian, 1 Swedish, 3 Russian)
• Kaldi ASR model for Swedish (sv)
• Confidence and word timings for Kaldi ASR
• Minimum ASR confidence threshold for dialogue manager
• Detect AVX support and warn for Larynx, DeepSpeech, and Precise in Web UI
• Handle spaces in converter arguments with word!(converter, ...)
• rhasspy-tts-cli-hermes TTS commands may be Jinja2 templates (--use-jinja2)
• Support for MaryTTS effects (jasonhildebrand)
• customData added to hermes/nlu/query message
• customData is copied by NLU services from query to intent/intentNotRecognized
• lang property added for wake, speech_to_text, and intent profile sections
• Wake, ASR, NLU services all set lang properties if null
• Profile now has "parent" setting, allowing one profile to load settings from another
• Dialogue manager sound paths may be directories, from which a random WAV will be chosen each time (thanks plafue)

Fixed

• Remote HTTP service sets site_id of satellite for ASR/NLU endpoints
• DeepSpeech token output (was letters, now words)
• Multiple values in custom converters are sent as a list on stdin
• Don't show restart/shutdown button if "sudo" isn't available (Docker, Hass.io)
• Added missing espeak phonemes for some profiles
• MaryTTS voice test in Web UI
• Remove dialogue session from site cache on end
• Don't throw error about system not configured if message is intent for satellite (schnopsi)
• Custom entities from /api/listen-for-command are passed through to NLU intent
• Slots inside sub-directories will properly show up in the web interface
• Use locks in dialogue manager to prevent multiple group satellite sessions during audio playback

Changed

• /api/listen-for-command uses a proper wake workflow now (requires dialogue manager)
• Show absolute paths for custom models (precise, snowboy, porcupine) in Web UI
• TTS timeouts are computing using text length (dialogue.say_chars_per_second)

Added

• Add DeepSpeech v0.9 profiles for English, German, French, Spanish, Italian, and Polish (Jaco)
• Add streaming audio support for DeepSpeech (faster transcription)
• Settings for energy-based silence detection
• Max seconds for voice commands
• English voice for Larynx (kathleen)
• Reboot/shutdown menu in web UI
• Add text to speech testing tools in settings page
• Make it clearer in web UI when restarts are required
• _site_id meta slot to Home Assistant intents/events (bk90)

Fixed

• Custom converters for fsticuffs and fuzzywuzzy
• fuzzywuzzy NluException: not enough values to unpack
• Download links for all profiles

Changed

• Upgrade to Mozilla DeepSpeech v0.9
• Upgrade porcupine wake word system to 1.9
• Move OpenAPI page from /api/ to /openapi/
• Improved web UI for Raven keywords

Added

• Russian Kaldi profile and Larynx TTS voice
• Spanish Kaldi profile and Larynx TTS voice
• French Kaldi profile and Larynx TTS voice
• Italian Kaldi profile
• German Larynx TTS voice
• Volume scale (0-1) for feedback sounds and TTS
• rhasspy/asr/setVolume MQTT message and /api/setVolume HTTP endpoint
• rhasspy/asr/recordingFinished MQTT message sent immediately after silence detection
• Satellite site ids to intent handling settings in web UI
• Group separator for co-located satellites (dialogue.group_separator)
• num2words support for Swedish (Bostrom)

Fixed

• Argument list for sound output command system (jrouly)
• Expand environment variables in TLS ca_certs
• spn silence phone in Swedish profile
• Use callback API in PyAudio to avoid buffer overrun
• HTTP API JSON should not be forced to ASCII

Changed

• Default Kaldi language model type is now text FST instead of arpa

Added

• Add support for Czech language
• Add --http-root option to run web server with a different prefix

Changed

• fuzzywuzzy examples database is deleted before training
• More graceful handling of missing site ids in dialogue manager

Fixed

• Use session id instead of site id where possible in dialogue manager
• Fix silence phones in Vietnamese and profiles
• Model index bug in rhasspy-wake-snowboy-hermes

Added

• Multi-site support for dialogue manager
• Add "Text FST" language model type for Kaldi for strict grammar-based recognition
• UDP audio settings in web UI for Pocketsphinx wake word system
• Rudimentary SSML support in Google Wavenet TTS (digitalfiz)

Changed

• JSON output from all services is no longer forced to be ASCII
• fuzzywuzzy performance improvement by using sqlite database (maxbachmann)
• Lots of documentation improvements (koen)
• Strip commans from replaced numbers ("one thousand, one hundred")
• Improve rhasspy-nlu performance (maxbachmann)
• Simplify Google Wavenet voice selection UI (Romkabouter)
• Fix local command when not using absolute path (DeadEnd)