Understanding data formats, resumed keys, and metadata structures for the SFT pipeline
.jsonl).idx field in the JSON objects.<think>...</think> tags.==> stage0_input/metadata.jsonl <== {"dataset": "clotho_aqa", "type": "generation", "qwen_caption": "The audio begins with a sharp metallic clank, immediately followed by the sound of water pouring from a faucet into a metal sink, accompanied by a steady, low-frequency hum likely from a refrigerator or HVAC system. As the water continues, a series of four distinct metallic impacts occur in quick succession, each with a hollow, resonant timbre and slightly varying pitch, suggesting the deliberate placement or adjustment of metal objects such as a spoon or pot lid in the sink. The water sound persists, uninterrupted, while the hum remains a constant background presence.\n\nSuddenly, the water flow stops, leaving the hum as the only audible element. After a brief pause, a heavy, resonant metallic thud is heard, followed by a lighter metallic clink, indicating the placement or settling of a large metal pot or pan onto a hard surface such as a countertop. This is immediately followed by a brief, high-pitched metallic scrape or clatter, likely from a utensil or pot handle making contact with the counter or another metal object. The hum continues, maintaining the ambient atmosphere.\n\nA sharp, high-pitched metallic click then occurs, consistent with a kitchen appliance switch or latch being engaged, and is immediately followed by a louder, low-frequency metallic thud, suggesting the closure of a heavy appliance door—possibly an oven or microwave. Throughout these events, the water remains off, and the hum persists as the sole background sound.\n\nSuddenly, all ambient and mechanical sounds are cut off with an abrupt, hard digital edit, and a loud, continuous low-frequency electronic buzz with a harsh, synthetic timbre takes over. This electronic tone, reminiscent of a square or sawtooth wave, remains constant and unwavering until the audio ends. There is no speech, vocalization, or human sound present at any point in the recording.\n\nThe recording is clear and high-fidelity, with a wide frequency range capturing both deep hums and sharp metallic transients. There is no distortion, clipping, or static, and the spatial characteristics indicate a small, hard-surfaced room with minimal reverberation. The sequence of events—metallic impacts, water flow, appliance activation, and the abrupt electronic buzz—suggests a modern kitchen environment, with the absence of speech or music implying a solitary, routine activity. The electronic buzz at the end is a non-diegetic sound, likely an edit artifact or intentional signal, and the overall atmosphere is utilitarian and domestic.\n\nIn summary, the audio captures a series of everyday kitchen actions: metallic objects are handled and placed in a sink with water running, a heavy appliance is activated, and the scene is abruptly interrupted by a loud electronic buzz. The environment is modern and functional, with no speech or music, highlighting a solitary, routine activity in a domestic kitchen setting.", "gemini_caption": "", "gemini_version": "", "audio_path": "/work/nvme/bbjs/shared/opuslm_v2_data/sft_data/part2_pretrain_curation/audio/stage4_filtering_sound_gen_sft/clotho_aqa/nxSample010_0000.flac"}