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leonardotrapani 3ae86f7bae feat: better language selection

2026-02-01 18:53:44 +01:00

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Configuration Reference

This document covers manual configuration of hyprvoice via the config.toml file. For most users, the interactive wizard is recommended:

hyprvoice configure

Configuration is stored in ~/.config/hyprvoice/config.toml and changes are applied immediately without restarting the daemon.

Unified Provider System
Transcription Providers
Model Management
LLM Post-Processing
Keywords
Recording Configuration
Text Injection
Notifications
Example Configurations
Migration from Old Config Format

Unified Provider System

Hyprvoice uses a unified provider system where API keys are configured once and shared between transcription and LLM features:

# Configure API keys for providers you want to use
[providers.openai]
  api_key = "sk-..."           # Or set OPENAI_API_KEY env var

[providers.groq]
  api_key = "gsk_..."          # Or set GROQ_API_KEY env var

[providers.mistral]
  api_key = "..."              # Or set MISTRAL_API_KEY env var

[providers.elevenlabs]
  api_key = "..."              # Or set ELEVENLABS_API_KEY env var

[providers.deepgram]
  api_key = "..."              # Or set DEEPGRAM_API_KEY env var

API key resolution order:

[providers.X] section in config
Environment variable (OPENAI_API_KEY, GROQ_API_KEY, etc.)

Transcription Providers

Hyprvoice supports multiple transcription backends. See docs/providers.md for detailed comparisons.

Cloud Providers

OpenAI Whisper API

Cloud-based transcription using OpenAI's Whisper API:

[transcription]
provider = "openai"
model = "whisper-1"
language = ""                   # Empty for auto-detect, or "en", "es", "fr", etc.

Features:

High-quality transcription
Supports 50+ languages
Auto-detection or specify language for better accuracy

Groq Whisper API (Transcription)

Fast cloud-based transcription using Groq's Whisper API:

[transcription]
provider = "groq-transcription"
model = "whisper-large-v3"      # Or "whisper-large-v3-turbo" for faster processing
language = ""                   # Empty for auto-detect, or "en", "es", "fr", etc.

Features:

Ultra-fast transcription (significantly faster than OpenAI)
Same Whisper model quality
Supports 50+ languages
Free tier available with generous limits

Mistral Voxtral

Transcription using Mistral's Voxtral API, excellent for European languages:

[transcription]
provider = "mistral-transcription"
model = "voxtral-mini-latest"   # Or "voxtral-mini-2507"
language = ""                   # Empty for auto-detect

ElevenLabs Scribe

Transcription using ElevenLabs' Scribe API with 57+ language support:

[transcription]
provider = "elevenlabs"
model = "scribe_v1"             # Or "scribe_v2" for lower latency
language = ""                   # Empty for auto-detect

Features:

57+ languages supported
Both batch and streaming models available
Ultra-low latency streaming options

Deepgram Nova

Fast streaming transcription using Deepgram's Nova models:

[providers.deepgram]
  api_key = "..."               # Or set DEEPGRAM_API_KEY env var

[transcription]
provider = "deepgram"
model = "nova-3"                # Or "nova-2" for different language support
language = ""                   # Empty for auto-detect

Features:

All models are streaming-only
Nova-3: 42 languages, best accuracy
Nova-2: 33 languages, faster with filler word detection
Excellent for real-time transcription and live captions

Local Transcription (whisper-cpp)

Run Whisper models locally on your machine. No API keys, no network latency, complete privacy.

Prerequisites:

Install whisper-cli: https://github.com/ggerganov/whisper.cpp
Download a model: hyprvoice model download base.en

[transcription]
provider = "whisper-cpp"
model = "base.en"               # English-only model (fastest)
language = ""                   # Empty for auto-detect (use "en" for English-only models)
threads = 0                     # 0 = auto (uses NumCPU - 1)

Available models:

Model	Size	Languages	Best For
`tiny.en`	75MB	English only	Quick tests, low-power devices
`base.en`	142MB	English only	Daily use, good balance
`small.en`	466MB	English only	Better accuracy
`medium.en`	1.5GB	English only	Best English accuracy
`tiny`	75MB	57 languages	Quick multilingual
`base`	142MB	57 languages	Daily multilingual use
`small`	466MB	57 languages	Better multilingual
`medium`	1.5GB	57 languages	Great accuracy
`large-v3`	3GB	57 languages	Best accuracy

Threads configuration:

threads = 0 (default): auto-detects, uses NumCPU - 1 to leave one core free
threads = 4: explicitly use 4 threads
Higher thread count = faster transcription but more CPU usage

Streaming Transcription

For real-time transcription, use streaming models:

# ElevenLabs streaming
[transcription]
provider = "elevenlabs"
model = "scribe_v1-streaming"   # Or "scribe_v2-streaming" for <150ms latency

# Deepgram streaming (all models are streaming)
[transcription]
provider = "deepgram"
model = "nova-3"

# OpenAI Realtime
[transcription]
provider = "openai"
model = "gpt-4o-realtime-preview"

Streaming models:

Provider	Model	Latency	Languages
ElevenLabs	`scribe_v1-streaming`	Low	57+
ElevenLabs	`scribe_v2-streaming`	<150ms	57+
Deepgram	`nova-3`	Low	42
Deepgram	`nova-2`	Very Low	33
OpenAI	`gpt-4o-realtime-preview`	Low	57

Language Configuration

Language is configured per transcription model in the [transcription] section:

[transcription]
provider = "openai"
model = "whisper-1"
language = ""                   # Empty for auto-detect (recommended)
# language = "en"               # English
# language = "es"               # Spanish
# language = "fr"               # French

When using hyprvoice configure, you select the language after choosing the model. Only languages supported by the selected model are shown.

Recommendations:

Use auto-detect (language = "") for most cases - it works well
Specify a language if you always speak the same language (slight accuracy boost)
English-only models (e.g., base.en) only support language = "en" or auto-detect

Supported Languages

Hyprvoice supports 57 languages:

Afrikaans (af), Arabic (ar), Armenian (hy), Azerbaijani (az), Belarusian (be), Bosnian (bs), Bulgarian (bg), Catalan (ca), Chinese (zh), Croatian (hr), Czech (cs), Danish (da), Dutch (nl), English (en), Estonian (et), Finnish (fi), French (fr), Galician (gl), German (de), Greek (el), Hebrew (he), Hindi (hi), Hungarian (hu), Icelandic (is), Indonesian (id), Italian (it), Japanese (ja), Kannada (kn), Kazakh (kk), Korean (ko), Latvian (lv), Lithuanian (lt), Macedonian (mk), Malay (ms), Marathi (mr), Maori (mi), Nepali (ne), Norwegian (no), Persian (fa), Polish (pl), Portuguese (pt), Romanian (ro), Russian (ru), Serbian (sr), Slovak (sk), Slovenian (sl), Spanish (es), Swahili (sw), Swedish (sv), Tagalog (tl), Tamil (ta), Thai (th), Turkish (tr), Ukrainian (uk), Urdu (ur), Vietnamese (vi), Welsh (cy)

Language-Model Compatibility

Some models only support English. When configuring via hyprvoice configure, only supported languages are shown for selection.

English-only models:

Provider	Model
Groq	`distil-whisper-large-v3-en`
whisper-cpp	`tiny.en`, `base.en`, `small.en`, `medium.en`

Deepgram models support fewer languages than the full 57 - see providers.md.

Validation behavior:

At config time (TUI): Only languages supported by the selected model are shown
At runtime: If config was manually edited to an invalid combination, hyprvoice logs a warning, sends a desktop notification, and falls back to auto-detect

# This combination will be rejected at validation:
[transcription]
provider = "groq-transcription"
model = "distil-whisper-large-v3-en"   # English only!
language = "es"                         # Error: model does not support Spanish

Model Management

Manage local whisper models with CLI commands:

List Models

# List all models
hyprvoice model list

# Filter by provider
hyprvoice model list --provider whisper-cpp

# Filter by type
hyprvoice model list --type transcription

Shows installed status [x] for local models and model details.

Download Models

# Download a whisper model
hyprvoice model download base.en

# Download with progress
hyprvoice model download large-v3

Cloud models (OpenAI, Groq, etc.) don't require download - this is for local models only.

Remove Models

# Remove a downloaded model
hyprvoice model remove base.en

LLM Post-Processing

LLM post-processing is enabled by default and significantly improves transcription quality. After transcription, the text is processed by an LLM to:

Remove stutters and repeated words ("I I I want" → "I want")
Add proper punctuation
Fix grammar errors
Remove filler words ("um", "uh", "like", "you know", etc.)

Basic Configuration

[llm]
  enabled = true               # Disable with false if you want raw transcriptions
  provider = "openai"          # "openai" or "groq"
  model = "gpt-4o-mini"        # OpenAI: "gpt-4o-mini", Groq: "llama-3.3-70b-versatile"

Post-Processing Options

All options are enabled by default. Disable specific ones as needed:

[llm.post_processing]
  remove_stutters = true       # "I I I want" → "I want"
  add_punctuation = true       # Adds periods, commas, etc.
  fix_grammar = true           # Fixes grammatical errors
  remove_filler_words = true   # Removes "um", "uh", "like", "you know"

Custom Prompts

Add custom instructions for specific use cases:

[llm.custom_prompt]
  enabled = true
  prompt = "Format as bullet points"

Use cases for custom prompts:

"Format as bullet points" - for note-taking
"Keep technical terms exactly as spoken" - for programming dictation
"Use formal language" - for professional documents
"Translate to Spanish" - for translation workflows

LLM Provider Recommendations

Provider	Model	Best For
OpenAI	gpt-4o-mini	Best quality/cost balance (default)
Groq	llama-3.3-70b-versatile	Fastest processing, free tier

Keywords

Keywords help both transcription and LLM understand domain-specific terms, names, and technical vocabulary:

keywords = ["Hyprland", "Wayland", "PipeWire", "Claude", "TypeScript"]

How keywords work:

Transcription: Passed as provider-specific hints (prompt/keyterms/keywords) when supported to improve recognition
LLM: Included in the system prompt to ensure correct spelling

When to use keywords:

Names of people, companies, or products
Technical terminology specific to your field
Acronyms or abbreviations
Words commonly misheard by speech-to-text

Recording Configuration

Audio capture settings:

[recording]
sample_rate = 16000        # Audio sample rate in Hz (16000 recommended for speech)
channels = 1               # Number of audio channels (1 = mono, 2 = stereo)
format = "s16"             # Audio format (s16 = 16-bit signed integers)
buffer_size = 8192         # Internal buffer size in bytes (larger = less CPU, more latency)
device = ""                # PipeWire device name (empty = default microphone)
channel_buffer_size = 30   # Audio frame buffer size (frames to buffer)
timeout = "5m"             # Maximum recording duration (e.g., "30s", "2m", "5m")

Recording Timeout

Prevents accidental long recordings that could consume resources
Default: 5 minutes ("5m")
Format: Go duration strings like "30s", "2m", "10m"
Recording automatically stops when timeout is reached

Text Injection

Configurable text injection with multiple backends:

[injection]
backends = ["ydotool", "wtype", "clipboard"]  # Ordered fallback chain
ydotool_timeout = "5s"
wtype_timeout = "5s"
clipboard_timeout = "3s"

Injection Backends

ydotool: Uses ydotool (requires ydotoold daemon for ydotool v1.0.0+). Most compatible with Chromium/Electron apps.
wtype: Uses wtype for Wayland. May have issues with some Chromium-based apps (known upstream bug).
clipboard: Copies text to clipboard only. Most reliable, but requires manual paste.

Fallback Chain

Backends are tried in order. The first successful one wins. Example configurations:

# Clipboard only (safest, always works)
backends = ["clipboard"]

# wtype with clipboard fallback
backends = ["wtype", "clipboard"]

# Full fallback chain (default) - best compatibility
backends = ["ydotool", "wtype", "clipboard"]

# ydotool only (if you have it set up)
backends = ["ydotool"]

ydotool Setup

ydotool requires the ydotoold daemon running (for ydotool v1.0.0+) and access to /dev/uinput:

# Start ydotool daemon (systemd)
systemctl --user enable --now ydotool

# Or add user to input group
sudo usermod -aG input $USER
# Then logout/login

# For Hyprland, add to config to set correct keyboard layout:
# device:ydotoold-virtual-device {
#     kb_layout = us
# }

Notifications

Desktop notification settings:

[notifications]
enabled = true             # Enable/disable notifications
type = "desktop"           # "desktop", "log", or "none"

Notification Types

desktop: Use notify-send for desktop notifications
log: Log messages to console only
none: Disable all notifications

Custom Notification Messages

You can customize notification text via the [notifications.messages] section:

[notifications.messages]
  [notifications.messages.recording_started]
    title = "Hyprvoice"
    body = "Recording Started"
  [notifications.messages.transcribing]
    title = "Hyprvoice"
    body = "Recording Ended... Transcribing"
  [notifications.messages.llm_processing]
    title = "Hyprvoice"
    body = "Processing..."
  [notifications.messages.config_reloaded]
    title = "Hyprvoice"
    body = "Config Reloaded"
  [notifications.messages.operation_cancelled]
    title = "Hyprvoice"
    body = "Operation Cancelled"
  [notifications.messages.recording_aborted]
    body = "Recording Aborted"
  [notifications.messages.injection_aborted]
    body = "Injection Aborted"

Emoji-only example (for minimal pill-style notifications):

[notifications.messages.recording_started]
  title = ""
  body = "🎙️"

Example Configurations

Fast Transcription Only (No LLM)

[providers.groq]
  api_key = "gsk_..."

[transcription]
  provider = "groq-transcription"
  model = "whisper-large-v3-turbo"
  language = ""                 # Auto-detect

[llm]
  enabled = false

High Quality with OpenAI (Default)

[providers.openai]
  api_key = "sk-..."

[transcription]
  provider = "openai"
  model = "whisper-1"
  language = ""                 # Auto-detect

[llm]
  enabled = true
  provider = "openai"
  model = "gpt-4o-mini"

Budget-Friendly with Groq

[providers.groq]
  api_key = "gsk_..."

[transcription]
  provider = "groq-transcription"
  model = "whisper-large-v3-turbo"
  language = ""                 # Auto-detect

[llm]
  enabled = true
  provider = "groq"
  model = "llama-3.3-70b-versatile"

Mixed Providers (Groq Transcription + OpenAI LLM)

[providers.openai]
  api_key = "sk-..."

[providers.groq]
  api_key = "gsk_..."

[transcription]
  provider = "groq-transcription"
  model = "whisper-large-v3-turbo"
  language = ""                 # Auto-detect

[llm]
  enabled = true
  provider = "openai"
  model = "gpt-4o-mini"

Local Transcription (Privacy-First)

# No API keys needed!

[transcription]
  provider = "whisper-cpp"
  model = "base.en"
  language = ""                 # Auto-detect
  threads = 0                   # Auto-detect (NumCPU - 1)

[llm]
  enabled = false               # No LLM for full privacy

Real-Time Streaming with Deepgram

[providers.deepgram]
  api_key = "..."

[transcription]
  provider = "deepgram"
  model = "nova-3"              # All Deepgram models are streaming
  language = ""                 # Auto-detect

[llm]
  enabled = false               # Streaming doesn't need LLM post-processing

Ultra-Low Latency Streaming

[providers.elevenlabs]
  api_key = "..."

[transcription]
  provider = "elevenlabs"
  model = "scribe_v2-streaming" # <150ms latency
  language = ""                 # Auto-detect

[llm]
  enabled = false

Specific Language Setup

[providers.openai]
  api_key = "sk-..."

[transcription]
  provider = "openai"
  model = "whisper-1"
  language = "es"               # Always transcribe as Spanish

[llm]
  enabled = true
  provider = "openai"
  model = "gpt-4o-mini"

Migration from Old Config Format

Language Configuration Change

Language is now configured per transcription model in [transcription].language. If you had [general].language set, move it to the transcription section:

Old format:

[general]
  language = "en"

[transcription]
  provider = "openai"
  model = "whisper-1"

New format:

[transcription]
  provider = "openai"
  model = "whisper-1"
  language = "en"

Run hyprvoice configure to interactively update your config.

API Key Migration

If you're upgrading from an older version with transcription.api_key:

Old format (still works):

[transcription]
  provider = "openai"
  api_key = "sk-..."  # Legacy location
  model = "whisper-1"

New format (recommended):

[providers.openai]
  api_key = "sk-..."  # Unified location

[transcription]
  provider = "openai"
  model = "whisper-1"

[llm]
  enabled = true
  provider = "openai"
  model = "gpt-4o-mini"

Run hyprvoice configure to interactively update your config to the new format.

Configuration Hot-Reloading

The daemon automatically watches the config file for changes and applies them immediately:

Notification settings: Applied instantly
Injection settings: Applied to current and future operations
Recording/Transcription/LLM settings: Applied to new recording sessions
Invalid configs: Rejected with error notification, daemon continues with previous config

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Configuration Reference

Table of Contents

Unified Provider System

Transcription Providers

Cloud Providers

OpenAI Whisper API

Groq Whisper API (Transcription)

Mistral Voxtral

ElevenLabs Scribe

Deepgram Nova

Local Transcription (whisper-cpp)

Streaming Transcription

Language Configuration

Supported Languages

Language-Model Compatibility

Model Management

List Models

Download Models

Remove Models

LLM Post-Processing

Basic Configuration

Post-Processing Options

Custom Prompts

LLM Provider Recommendations

Keywords

Recording Configuration

Recording Timeout

Text Injection

Injection Backends

Fallback Chain

ydotool Setup

Notifications

Notification Types

Custom Notification Messages

Example Configurations

Fast Transcription Only (No LLM)

High Quality with OpenAI (Default)

Budget-Friendly with Groq

Mixed Providers (Groq Transcription + OpenAI LLM)

Local Transcription (Privacy-First)

Real-Time Streaming with Deepgram

Ultra-Low Latency Streaming

Specific Language Setup

Migration from Old Config Format

Language Configuration Change

API Key Migration

Configuration Hot-Reloading

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