voice_audio_multi/model_specs/parakeet_tdt.json
Fabio c36510c21e
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Initial import: audio.cpp with Orange Pi documentation
2026-11-04 19:05:22 +01:00

317 lines
9.3 KiB
JSON

{
"schema_version": 1,
"family": "parakeet_tdt",
"display_name": "Parakeet-TDT 0.6B v3",
"description": "NVIDIA Parakeet-TDT 0.6B v3 FastConformer-TDT ASR covering 25 European languages with automatic language detection. Supports the upstream Transformers-compatible safetensors package and standalone audio.cpp GGUF, with offline full-context, bounded-window long-form, and buffered streaming; the checkpoint uses unlimited bidirectional attention and is not a native cache-aware streaming model.",
"category": "asr",
"status": "community",
"tasks": [
"asr"
],
"modes": [
"offline",
"streaming"
],
"languages": [
"bg",
"cs",
"da",
"de",
"el",
"en",
"es",
"et",
"fi",
"fr",
"hr",
"hu",
"it",
"lt",
"lv",
"mt",
"nl",
"pl",
"pt",
"ro",
"ru",
"sk",
"sl",
"sv",
"uk"
],
"runtime": {
"tags": [
"gguf",
"stream"
]
},
"capabilities": {
"asr": [
"word_timestamps",
"partial_results",
"vad_chunking"
]
},
"options": {
"request": [
{
"name": "return_timestamps",
"type": "bool",
"description": "Accepted for CLI --words-out compatibility. Word timestamps are always returned, including when false or omitted.",
"required": false
},
{
"name": "max_tokens",
"type": "int",
"description": "Maximum TDT generated tokens; 0 or omitted uses the model-derived limit.",
"required": false,
"min": 0,
"default": 0
},
{
"name": "keep_language_tags",
"type": "bool",
"description": "Keep language tag tokens in decoded text; default false.",
"required": false,
"default": false
},
{
"name": "audio_chunk_mode",
"type": "enum",
"description": "Offline audio chunking mode. fixed selects overlapping long-form windows regardless of offline_mode; vad uses the configured VAD model (Silero by default) to skip silence; auto follows offline_mode. Offline input is downmixed and resampled as needed.",
"values": [
"auto",
"fixed",
"vad",
"none"
],
"required": false,
"default": "auto"
},
{
"name": "audio_chunk_duration_sec",
"type": "float",
"description": "VAD maximum chunk duration; omitted inherits the session duration. Fixed/long_form windows use the session setting, not this request override.",
"required": false,
"min": 0.001
}
],
"session": [
{
"name": "weight_type",
"type": "enum",
"description": "Shared matmul weight storage type; default native.",
"preset": "weight_type_full",
"required": false,
"default": "native"
},
{
"name": "matmul_weight_type",
"type": "enum",
"description": "Encoder and decoder matmul weight storage type; defaults to weight_type, which defaults to native. Q8_0 measured 1.79x faster on the tested CPU and changed roughly 8 percent of transcripts without moving aggregate word error rate.",
"preset": "weight_type_full",
"required": false
},
{
"name": "conv_weight_type",
"type": "enum",
"description": "Convolution weight storage type; default native.",
"preset": "weight_type_conv",
"required": false,
"default": "native"
},
{
"name": "perf_mode",
"type": "enum",
"description": "Encoder attention implementation. Default off uses the validated relative-attention path; flash_attention enables the fused implementation, which was numerically validated but slower on the tested hardware.",
"preset": "perf_mode_flash_attention",
"required": false,
"default": "off"
},
{
"name": "weight_context_mb",
"type": "int",
"description": "Weight context arena size in MiB; default 3072.",
"required": false,
"min": 1,
"default": 3072
},
{
"name": "encoder_graph_arena_mb",
"type": "int",
"description": "Encoder graph arena size in MiB; default 1024.",
"required": false,
"min": 1,
"default": 1024
},
{
"name": "decoder_graph_arena_mb",
"type": "int",
"description": "Decoder graph arena size in MiB; default 256.",
"required": false,
"min": 1,
"default": 256
},
{
"name": "audio_chunk_duration_sec",
"type": "float",
"description": "Center-region duration for buffered streaming in seconds; default 2. Fixed context windows are re-encoded rather than cache-aware. Also sizes offline fixed/long_form windows.",
"required": false,
"min": 0.001,
"default": 2
},
{
"name": "left_context_sec",
"type": "float",
"description": "Past context included when re-encoding each buffered-streaming window in seconds; default 10. Also applies to offline fixed/long_form windows.",
"required": false,
"min": 0,
"default": 10
},
{
"name": "right_context_sec",
"type": "float",
"description": "Future lookahead included when re-encoding each buffered-streaming window in seconds; default 2 and adds equivalent partial-result latency. Also applies to offline fixed/long_form windows.",
"required": false,
"min": 0,
"default": 2
},
{
"name": "streaming_attention_mode",
"type": "enum",
"description": "Attention policy inside each buffered window. full_context preserves bidirectional attention over the bounded window.",
"values": [
"full_context"
],
"required": false,
"default": "full_context"
},
{
"name": "offline_mode",
"type": "enum",
"description": "Offline encoder scheduling. full_context encodes the whole utterance, long_form uses bounded overlapping windows, and auto selects long_form beyond audio_chunk_threshold_sec.",
"values": [
"full_context",
"long_form",
"auto"
],
"required": false,
"default": "full_context"
},
{
"name": "audio_chunk_threshold_sec",
"type": "float",
"description": "Duration threshold used by offline_mode=auto before switching to bounded-window long-form execution; default 30 seconds.",
"required": false,
"min": 0.001,
"default": 30.0
},
{
"name": "vad_model_path",
"type": "path",
"description": "VAD model path used by audio_chunk_mode=vad (any built-in VAD family); default assets/framework/models/silero_vad.",
"required": false,
"default": "assets/framework/models/silero_vad"
}
],
"load": []
},
"package_defaults": {
"download": {
"kind": "huggingface_snapshot",
"repo": "audio-cpp/audio.cpp-gguf",
"revision": "main",
"gated": false
}
},
"packages": [
{
"id": "parakeet_tdt_q8_0",
"display_name": "Parakeet-TDT 0.6B v3 Q8_0 GGUF",
"default": true,
"format": "gguf",
"precision": "q8_0",
"target_directory": "Parakeet-TDT-0.6B-v3-GGUF",
"files": [
"Parakeet-TDT-0.6B-v3-GGUF/parakeet-tdt-0.6b-v3-q8_0.gguf"
],
"strip_prefix": "Parakeet-TDT-0.6B-v3-GGUF"
},
{
"id": "parakeet_tdt_f16",
"display_name": "Parakeet-TDT 0.6B v3 F16 GGUF",
"format": "gguf",
"precision": "f16",
"target_directory": "Parakeet-TDT-0.6B-v3-GGUF",
"files": [
"Parakeet-TDT-0.6B-v3-GGUF/parakeet-tdt-0.6b-v3-f16.gguf"
],
"strip_prefix": "Parakeet-TDT-0.6B-v3-GGUF"
},
{
"id": "orukeet_q8_0",
"display_name": "Orukeet r3 Q8_0 GGUF (Parakeet-TDT 0.6B v3 fine-tune)",
"format": "gguf",
"precision": "q8_0",
"target_directory": "Orukeet-GGUF",
"files": [
"Orukeet-GGUF/orukeet-q8_0.gguf"
],
"strip_prefix": "Orukeet-GGUF"
},
{
"id": "orukeet_f16",
"display_name": "Orukeet r3 F16 GGUF (Parakeet-TDT 0.6B v3 fine-tune)",
"format": "gguf",
"precision": "f16",
"target_directory": "Orukeet-GGUF",
"files": [
"Orukeet-GGUF/orukeet-f16.gguf"
],
"strip_prefix": "Orukeet-GGUF"
}
],
"dependencies": [],
"ui": {
"recommended_package": "parakeet_tdt_q8_0",
"tags": [
"ASR",
"GGUF"
],
"docs": [
"docs/models/parakeet_tdt.md",
"docs/models/underdog_bark3.md"
]
},
"sources": [
{
"format": "gguf",
"roots": {
"model": ".",
"weights": "$gguf"
},
"files": {
"config": "model:config.json",
"processor_config": "model:processor_config.json",
"tokenizer_json": "model:tokenizer.json"
},
"tensors": {
"weights": "weights:"
}
},
{
"format": "safetensors",
"roots": {
"model": "."
},
"files": {
"config": "model:config.json",
"processor_config": "model:processor_config.json",
"tokenizer_json": "model:tokenizer.json"
},
"tensors": {
"weights": "model:model.safetensors"
}
}
]
}