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Datasets:
10wind
/
PhysWave_dataset

Tasks:
Text-to-Audio
Audio-to-Audio
Modalities:
Tabular
Text
Audio
Formats:
parquet
Languages:
English
Size:
100K - 1M
Tags:
audio
spatial-audio
first-order-ambisonics
foa
pcm16
parquet
Libraries:
Datasets
Dask
Polars
License:
Dataset card Data Studio Files
xet
 Community
10wind commited on
Commit
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1 Parent(s): 47e5261

Upload parquet FOA release

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  1. README.md +39 -11
  2. audio/static/test-00002/fsd50k_102437__static.wav +0 -3
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README.md CHANGED
@@ -1,12 +1,27 @@
1
- # PhysWave Mono-Label FOA Release
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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- This directory contains pre-rendered first-order ambisonic (FOA) audio derived
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- from Mono-Label-120k mono clips. Each source mono clip is rendered twice:
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- - one static trajectory
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- - one deterministic moving trajectory (`linear`, `circular`, or `approach_recede`)
 
8
 
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- Audio files are 10 second, 16 kHz, 4-channel PCM16 WAV.
 
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  FOA convention:
12
 
@@ -20,11 +35,11 @@ distance gain = 1 / max(distance_m, 0.5)
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  moving trajectories use retarded-time propagation at 343 m/s
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  ```
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- Angles are in degrees. Distances are in meters. Metadata stores 10 Hz
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- waypoints, so a normal 10 second render has 101 waypoints:
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- `[t_seconds, azimuth_deg, elevation_deg, distance_m]`.
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- Summary:
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  ```json
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  {
@@ -49,6 +64,19 @@ Summary:
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  "waypoints_per_10s_clip": 101,
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  "renderer_version": "physwave_foa_release_v1_pcm16",
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  "metadata_path": "/media/volume/Spatial_audio_dataset_upload/metadata.jsonl",
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- "metadata_shards_dir": "/media/volume/Spatial_audio_dataset_upload/metadata_shards"
 
 
 
 
 
 
 
 
 
 
 
 
 
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  }
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  ```
 
1
+ ---
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+ license: unknown
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+ task_categories:
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+ - text-to-audio
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+ - audio-to-audio
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+ language:
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+ - en
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+ tags:
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+ - audio
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+ - spatial-audio
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+ - first-order-ambisonics
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+ - foa
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+ - pcm16
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+ - parquet
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+ ---
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+ # PhysWave Dataset
 
18
 
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+ Pre-rendered first-order ambisonic (FOA) release derived from Mono-Label-120k.
20
+ Each mono source clip is rendered twice: one static trajectory and one
21
+ deterministic moving trajectory (`linear`, `circular`, or `approach_recede`).
22
 
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+ Audio is stored in parquet rows as an `audio` struct with embedded PCM16 WAV
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+ bytes and a relative path. This audio column contains 4-channel FOA.
25
 
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  FOA convention:
27
 
 
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  moving trajectories use retarded-time propagation at 343 m/s
36
  ```
37
 
38
+ Trajectory waypoints are stored as JSON strings containing 10 Hz arrays:
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+ `[t_seconds, azimuth_deg, elevation_deg, distance_m]`. A 10 second clip has
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+ 101 waypoints.
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+ Packing summary:
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  ```json
45
  {
 
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  "waypoints_per_10s_clip": 101,
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  "renderer_version": "physwave_foa_release_v1_pcm16",
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  "metadata_path": "/media/volume/Spatial_audio_dataset_upload/metadata.jsonl",
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+ "metadata_shards_dir": "/media/volume/Spatial_audio_dataset_upload/metadata_shards",
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+ "parquet_rows": 254538,
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+ "parquet_split_counts": {
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+ "test": 6436,
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+ "train": 248102
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+ },
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+ "parquet_shard_counts": {
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+ "test": 7,
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+ "train": 249
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+ },
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+ "rows_per_shard": 1000,
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+ "row_group_size": 100,
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+ "audio_column": "audio",
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+ "parquet_compression": "zstd"
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  }
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  ```
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