# HELP timbre_q_synthesis_active Synthesis streams currently in flight.
# TYPE timbre_q_synthesis_active gauge
timbre_q_synthesis_active 0.0
# HELP timbre_q_ws_active_connections WebSocket synthesis connections currently open.
# TYPE timbre_q_ws_active_connections gauge
timbre_q_ws_active_connections 0.0
# HELP timbre_q_ws_connections_total WebSocket synthesis connections accepted.
# TYPE timbre_q_ws_connections_total counter
timbre_q_ws_connections_total 0.0
# HELP timbre_q_ws_idle_timeouts_total WebSocket connections closed by the idle watchdog.
# TYPE timbre_q_ws_idle_timeouts_total counter
timbre_q_ws_idle_timeouts_total 0.0
# HELP timbre_q_transcode_errors_total ffmpeg transcoding failures.
# TYPE timbre_q_transcode_errors_total counter
timbre_q_transcode_errors_total 0.0
# HELP timbre_q_requests_by_language_total Synthesis requests by requested language hint.
# TYPE timbre_q_requests_by_language_total counter
timbre_q_requests_by_language_total{language="english"} 1.0
# HELP timbre_q_requests_by_output_format_total Synthesis requests by output container and encoding.
# TYPE timbre_q_requests_by_output_format_total counter
timbre_q_requests_by_output_format_total{container="wav",encoding="pcm_s16le"} 1.0
# HELP timbre_q_synthesis_requests_total Synthesis requests, by model/voice/transport and success or error result.
# TYPE timbre_q_synthesis_requests_total counter
timbre_q_synthesis_requests_total{model="timbre-v3.0",result="success",transport="http_bytes",voice="ishaan"} 1.0
# HELP timbre_q_request_playback_speed Requested playback-speed multiplier.
# TYPE timbre_q_request_playback_speed histogram
timbre_q_request_playback_speed_sum 0.0
timbre_q_request_playback_speed_bucket{le="0.5"} 0.0
timbre_q_request_playback_speed_bucket{le="0.7"} 0.0
timbre_q_request_playback_speed_bucket{le="0.85"} 0.0
timbre_q_request_playback_speed_bucket{le="1.0"} 0.0
timbre_q_request_playback_speed_bucket{le="1.15"} 0.0
timbre_q_request_playback_speed_bucket{le="1.3"} 0.0
timbre_q_request_playback_speed_bucket{le="1.5"} 0.0
timbre_q_request_playback_speed_bucket{le="1.75"} 0.0
timbre_q_request_playback_speed_bucket{le="2.0"} 0.0
timbre_q_request_playback_speed_bucket{le="+Inf"} 0.0
timbre_q_request_playback_speed_count 0.0
# HELP timbre_q_request_temperature Requested synthesis temperature.
# TYPE timbre_q_request_temperature histogram
timbre_q_request_temperature_sum 0.0
timbre_q_request_temperature_bucket{le="0.1"} 0.0
timbre_q_request_temperature_bucket{le="0.5"} 0.0
timbre_q_request_temperature_bucket{le="0.8"} 0.0
timbre_q_request_temperature_bucket{le="1.0"} 0.0
timbre_q_request_temperature_bucket{le="1.2"} 0.0
timbre_q_request_temperature_bucket{le="1.5"} 0.0
timbre_q_request_temperature_bucket{le="2.0"} 0.0
timbre_q_request_temperature_bucket{le="+Inf"} 0.0
timbre_q_request_temperature_count 0.0
# HELP timbre_q_request_cfg_value Requested classifier-free-guidance strength.
# TYPE timbre_q_request_cfg_value histogram
timbre_q_request_cfg_value_sum 0.0
timbre_q_request_cfg_value_bucket{le="0.5"} 0.0
timbre_q_request_cfg_value_bucket{le="1.0"} 0.0
timbre_q_request_cfg_value_bucket{le="1.5"} 0.0
timbre_q_request_cfg_value_bucket{le="2.0"} 0.0
timbre_q_request_cfg_value_bucket{le="2.5"} 0.0
timbre_q_request_cfg_value_bucket{le="3.0"} 0.0
timbre_q_request_cfg_value_bucket{le="4.0"} 0.0
timbre_q_request_cfg_value_bucket{le="5.0"} 0.0
timbre_q_request_cfg_value_bucket{le="+Inf"} 0.0
timbre_q_request_cfg_value_count 0.0
# HELP timbre_q_request_max_generate_length Requested upstream max-generate-length token cap.
# TYPE timbre_q_request_max_generate_length histogram
timbre_q_request_max_generate_length_sum 0.0
timbre_q_request_max_generate_length_bucket{le="100.0"} 0.0
timbre_q_request_max_generate_length_bucket{le="200.0"} 0.0
timbre_q_request_max_generate_length_bucket{le="400.0"} 0.0
timbre_q_request_max_generate_length_bucket{le="800.0"} 0.0
timbre_q_request_max_generate_length_bucket{le="1200.0"} 0.0
timbre_q_request_max_generate_length_bucket{le="1600.0"} 0.0
timbre_q_request_max_generate_length_bucket{le="2400.0"} 0.0
timbre_q_request_max_generate_length_bucket{le="4000.0"} 0.0
timbre_q_request_max_generate_length_bucket{le="+Inf"} 0.0
timbre_q_request_max_generate_length_count 0.0
# HELP timbre_q_synthesis_client_ttfb_seconds Time to first audio byte delivered to the client, in seconds (headline latency).
# TYPE timbre_q_synthesis_client_ttfb_seconds histogram
timbre_q_synthesis_client_ttfb_seconds_sum{model="timbre-v3.0",transport="http_bytes"} 0.23840069770812988
timbre_q_synthesis_client_ttfb_seconds_bucket{le="0.025",model="timbre-v3.0",transport="http_bytes"} 0.0
timbre_q_synthesis_client_ttfb_seconds_bucket{le="0.05",model="timbre-v3.0",transport="http_bytes"} 0.0
timbre_q_synthesis_client_ttfb_seconds_bucket{le="0.1",model="timbre-v3.0",transport="http_bytes"} 0.0
timbre_q_synthesis_client_ttfb_seconds_bucket{le="0.2",model="timbre-v3.0",transport="http_bytes"} 0.0
timbre_q_synthesis_client_ttfb_seconds_bucket{le="0.3",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_client_ttfb_seconds_bucket{le="0.5",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_client_ttfb_seconds_bucket{le="0.75",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_client_ttfb_seconds_bucket{le="1.0",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_client_ttfb_seconds_bucket{le="1.5",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_client_ttfb_seconds_bucket{le="2.0",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_client_ttfb_seconds_bucket{le="3.0",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_client_ttfb_seconds_bucket{le="5.0",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_client_ttfb_seconds_bucket{le="10.0",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_client_ttfb_seconds_bucket{le="+Inf",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_client_ttfb_seconds_count{model="timbre-v3.0",transport="http_bytes"} 1.0
# HELP timbre_q_synthesis_prep_duration_seconds Text normalization and prompt-building time in seconds.
# TYPE timbre_q_synthesis_prep_duration_seconds histogram
timbre_q_synthesis_prep_duration_seconds_sum{model="timbre-v3.0"} 0.026669740676879883
timbre_q_synthesis_prep_duration_seconds_bucket{le="0.025",model="timbre-v3.0"} 0.0
timbre_q_synthesis_prep_duration_seconds_bucket{le="0.05",model="timbre-v3.0"} 1.0
timbre_q_synthesis_prep_duration_seconds_bucket{le="0.1",model="timbre-v3.0"} 1.0
timbre_q_synthesis_prep_duration_seconds_bucket{le="0.2",model="timbre-v3.0"} 1.0
timbre_q_synthesis_prep_duration_seconds_bucket{le="0.3",model="timbre-v3.0"} 1.0
timbre_q_synthesis_prep_duration_seconds_bucket{le="0.5",model="timbre-v3.0"} 1.0
timbre_q_synthesis_prep_duration_seconds_bucket{le="0.75",model="timbre-v3.0"} 1.0
timbre_q_synthesis_prep_duration_seconds_bucket{le="1.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_prep_duration_seconds_bucket{le="1.5",model="timbre-v3.0"} 1.0
timbre_q_synthesis_prep_duration_seconds_bucket{le="2.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_prep_duration_seconds_bucket{le="3.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_prep_duration_seconds_bucket{le="5.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_prep_duration_seconds_bucket{le="10.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_prep_duration_seconds_bucket{le="+Inf",model="timbre-v3.0"} 1.0
timbre_q_synthesis_prep_duration_seconds_count{model="timbre-v3.0"} 1.0
# HELP timbre_q_synthesis_upstream_headers_duration_seconds Time until the upstream TTS response headers arrive, in seconds.
# TYPE timbre_q_synthesis_upstream_headers_duration_seconds histogram
timbre_q_synthesis_upstream_headers_duration_seconds_sum{model="timbre-v3.0"} 0.1978006362915039
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="0.025",model="timbre-v3.0"} 0.0
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="0.05",model="timbre-v3.0"} 0.0
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="0.1",model="timbre-v3.0"} 0.0
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="0.2",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="0.3",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="0.5",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="0.75",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="1.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="1.5",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="2.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="3.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="5.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="10.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_headers_duration_seconds_bucket{le="+Inf",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_headers_duration_seconds_count{model="timbre-v3.0"} 1.0
# HELP timbre_q_synthesis_total_duration_seconds End-to-end synthesis stream duration in seconds.
# TYPE timbre_q_synthesis_total_duration_seconds histogram
timbre_q_synthesis_total_duration_seconds_sum{model="timbre-v3.0",transport="http_bytes"} 0.23840069770812988
timbre_q_synthesis_total_duration_seconds_bucket{le="0.025",model="timbre-v3.0",transport="http_bytes"} 0.0
timbre_q_synthesis_total_duration_seconds_bucket{le="0.05",model="timbre-v3.0",transport="http_bytes"} 0.0
timbre_q_synthesis_total_duration_seconds_bucket{le="0.1",model="timbre-v3.0",transport="http_bytes"} 0.0
timbre_q_synthesis_total_duration_seconds_bucket{le="0.2",model="timbre-v3.0",transport="http_bytes"} 0.0
timbre_q_synthesis_total_duration_seconds_bucket{le="0.3",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_total_duration_seconds_bucket{le="0.5",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_total_duration_seconds_bucket{le="0.75",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_total_duration_seconds_bucket{le="1.0",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_total_duration_seconds_bucket{le="1.5",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_total_duration_seconds_bucket{le="2.0",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_total_duration_seconds_bucket{le="3.0",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_total_duration_seconds_bucket{le="5.0",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_total_duration_seconds_bucket{le="10.0",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_total_duration_seconds_bucket{le="+Inf",model="timbre-v3.0",transport="http_bytes"} 1.0
timbre_q_synthesis_total_duration_seconds_count{model="timbre-v3.0",transport="http_bytes"} 1.0
# HELP timbre_q_synthesis_output_bytes Audio bytes emitted per synthesis stream.
# TYPE timbre_q_synthesis_output_bytes histogram
timbre_q_synthesis_output_bytes_sum{model="timbre-v3.0"} 145964.0
timbre_q_synthesis_output_bytes_bucket{le="1024.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_output_bytes_bucket{le="4096.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_output_bytes_bucket{le="16384.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_output_bytes_bucket{le="65536.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_output_bytes_bucket{le="262144.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_output_bytes_bucket{le="1.048576e+06",model="timbre-v3.0"} 1.0
timbre_q_synthesis_output_bytes_bucket{le="4.194304e+06",model="timbre-v3.0"} 1.0
timbre_q_synthesis_output_bytes_bucket{le="1.6777216e+07",model="timbre-v3.0"} 1.0
timbre_q_synthesis_output_bytes_bucket{le="+Inf",model="timbre-v3.0"} 1.0
timbre_q_synthesis_output_bytes_count{model="timbre-v3.0"} 1.0
# HELP timbre_q_synthesis_input_chars Input text length in characters per synthesis request.
# TYPE timbre_q_synthesis_input_chars histogram
timbre_q_synthesis_input_chars_sum{model="timbre-v3.0"} 47.0
timbre_q_synthesis_input_chars_bucket{le="16.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_input_chars_bucket{le="32.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_input_chars_bucket{le="64.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_chars_bucket{le="128.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_chars_bucket{le="256.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_chars_bucket{le="512.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_chars_bucket{le="1024.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_chars_bucket{le="2048.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_chars_bucket{le="+Inf",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_chars_count{model="timbre-v3.0"} 1.0
# HELP timbre_q_synthesis_input_bytes Input text size in UTF-8 bytes (Indic scripts are multi-byte) per request.
# TYPE timbre_q_synthesis_input_bytes histogram
timbre_q_synthesis_input_bytes_sum{model="timbre-v3.0"} 47.0
timbre_q_synthesis_input_bytes_bucket{le="16.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_input_bytes_bucket{le="32.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_input_bytes_bucket{le="64.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_bytes_bucket{le="128.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_bytes_bucket{le="256.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_bytes_bucket{le="512.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_bytes_bucket{le="1024.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_bytes_bucket{le="2048.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_bytes_bucket{le="+Inf",model="timbre-v3.0"} 1.0
timbre_q_synthesis_input_bytes_count{model="timbre-v3.0"} 1.0
# HELP timbre_q_synthesis_sentences Number of sentences the input was split into per synthesis request.
# TYPE timbre_q_synthesis_sentences histogram
timbre_q_synthesis_sentences_sum{model="timbre-v3.0"} 1.0
timbre_q_synthesis_sentences_bucket{le="1.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_sentences_bucket{le="2.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_sentences_bucket{le="3.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_sentences_bucket{le="5.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_sentences_bucket{le="8.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_sentences_bucket{le="13.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_sentences_bucket{le="21.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_sentences_bucket{le="34.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_sentences_bucket{le="+Inf",model="timbre-v3.0"} 1.0
timbre_q_synthesis_sentences_count{model="timbre-v3.0"} 1.0
# HELP timbre_q_synthesis_audio_duration_seconds Seconds of audio produced per synthesis; _sum is cumulative audio generated.
# TYPE timbre_q_synthesis_audio_duration_seconds histogram
timbre_q_synthesis_audio_duration_seconds_sum{model="timbre-v3.0"} 3.04
timbre_q_synthesis_audio_duration_seconds_bucket{le="0.5",model="timbre-v3.0"} 0.0
timbre_q_synthesis_audio_duration_seconds_bucket{le="1.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_audio_duration_seconds_bucket{le="2.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_audio_duration_seconds_bucket{le="3.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_audio_duration_seconds_bucket{le="5.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_audio_duration_seconds_bucket{le="10.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_audio_duration_seconds_bucket{le="20.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_audio_duration_seconds_bucket{le="30.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_audio_duration_seconds_bucket{le="60.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_audio_duration_seconds_bucket{le="120.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_audio_duration_seconds_bucket{le="300.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_audio_duration_seconds_bucket{le="+Inf",model="timbre-v3.0"} 1.0
timbre_q_synthesis_audio_duration_seconds_count{model="timbre-v3.0"} 1.0
# HELP timbre_q_synthesis_realtime_factor Realtime factor: audio seconds produced / wall-clock seconds (>1 = faster than realtime).
# TYPE timbre_q_synthesis_realtime_factor histogram
timbre_q_synthesis_realtime_factor_sum{model="timbre-v3.0"} 12.751640533039978
timbre_q_synthesis_realtime_factor_bucket{le="0.25",model="timbre-v3.0"} 0.0
timbre_q_synthesis_realtime_factor_bucket{le="0.5",model="timbre-v3.0"} 0.0
timbre_q_synthesis_realtime_factor_bucket{le="1.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_realtime_factor_bucket{le="2.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_realtime_factor_bucket{le="4.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_realtime_factor_bucket{le="8.0",model="timbre-v3.0"} 0.0
timbre_q_synthesis_realtime_factor_bucket{le="16.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_realtime_factor_bucket{le="32.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_realtime_factor_bucket{le="64.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_realtime_factor_bucket{le="+Inf",model="timbre-v3.0"} 1.0
timbre_q_synthesis_realtime_factor_count{model="timbre-v3.0"} 1.0
# HELP timbre_q_synthesis_upstream_first_byte_seconds Time from the upstream request start to its first audio byte, in seconds.
# TYPE timbre_q_synthesis_upstream_first_byte_seconds histogram
timbre_q_synthesis_upstream_first_byte_seconds_sum{model="timbre-v3.0"} 0.1978006362915039
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="0.025",model="timbre-v3.0"} 0.0
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="0.05",model="timbre-v3.0"} 0.0
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="0.1",model="timbre-v3.0"} 0.0
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="0.2",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="0.3",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="0.5",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="0.75",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="1.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="1.5",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="2.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="3.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="5.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="10.0",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_first_byte_seconds_bucket{le="+Inf",model="timbre-v3.0"} 1.0
timbre_q_synthesis_upstream_first_byte_seconds_count{model="timbre-v3.0"} 1.0