Publish v1 dataset card and metadata

LICENSE.md

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+# Component licenses
+
+Copyright © 2026 Abdelrahman R. Hashem.
+
+This mixed-source dataset does not have one blanket license. The `license` and
+`license_note` fields in each `metadata.jsonl` row are authoritative for that
+row.
+
+## Author-created generated rows
+
+The author-created prompts, generated transcripts, and resulting synthetic
+audio identified as `cc-by-4.0` are licensed under the Creative Commons
+Attribution 4.0 International License (CC BY 4.0):
+https://creativecommons.org/licenses/by/4.0/
+
+Attribution: Abdelrahman R. Hashem, *Synthetic Arabic-English Code-Switched
+Speech for ASR* (2026).
+
+## ArE-CSTD-derived rows
+
+Rows identified as `cc-by-nc-sa-4.0` contain text adapted from ArE-CSTD and are
+distributed under Creative Commons Attribution-NonCommercial-ShareAlike 4.0
+International (CC BY-NC-SA 4.0), following the stricter license stated in the
+ArE-CSTD dataset card:
+https://creativecommons.org/licenses/by-nc-sa/4.0/
+
+Users of those rows must also attribute ArE-CSTD and comply with its
+noncommercial and share-alike conditions. This notice does not replace the
+upstream terms or grant rights beyond them.

README.md

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+---
+language:
+- ar
+- en
+pretty_name: Synthetic Arabic-English Code-Switched Speech for ASR
+tags:
+- audio
+- automatic-speech-recognition
+- code-switching
+- egyptian-arabic
+- synthetic-speech
+- datasets
+task_categories:
+- automatic-speech-recognition
+size_categories:
+- 1K<n<10K
+license: other
+configs:
+- config_name: generated_only
+  drop_labels: true
+  data_files:
+  - split: train
+    path: generated_only/train/**
+  - split: test
+    path: generated_only/test/**
+- config_name: synthetic
+  drop_labels: true
+  data_files:
+  - split: train
+    path: synthetic/train/**
+  - split: test
+    path: synthetic/test/**
+---
+
+# Synthetic Arabic-English Code-Switched Speech for ASR
+
+This dataset contains synthetic speech generated for Egyptian Arabic-English code-switched automatic speech recognition. It is published separately from the human review annotations so the human audio remains in its [upstream Hugging Face repository](https://huggingface.co/datasets/MohamedRashad/arabic-english-code-switching).
+
+## Configurations
+
+| Configuration | Train | Test | Publication status |
+|---|---:|---:|---|
+| `generated_only` | 3,555 | 389 | Author-created components released under CC BY 4.0 |
+| `synthetic` | 8,655 | 962 | Contains 5,673 ArE-CSTD-derived texts; noncommercial/share-alike terms apply |
+
+## Loading
+
+```python
+from datasets import load_dataset
+
+dataset = load_dataset("abdo1819/arabic-english-code-switching-synthetic-asr", "generated_only")
+```
+
+Use `"synthetic"` only after reviewing the component-license section below.
+
+## Data fields
+
+- `audio`: decoded by Hugging Face from `file_name`
+- `text`: ASR reference transcript
+- `id`: deterministic public identifier without a local path
+- `language`: `ar-en`
+- `split`: `train` or `test`
+- `data_source` and `source_dataset`: source identity
+- `license` and `license_note`: row-level license status
+- `domain`, `text_source`, `source_type`, `prompt_file`, `text_generation_model`, `tts_model`, and `tts_language`: generation provenance
+
+## Data creation
+
+All 9,617 mono 16-bit PCM WAV files were synthesized at 24 kHz with `gemini-2.5-pro-preview-tts`, using the `ar-EG` language setting and prebuilt voices. The text has two origins:
+
+- 5,673 cleaned Egyptian Arabic-English lines adapted from ArE-CSTD.
+- 3,944 domain-oriented lines generated from structured prompts for engineering, finance, justice, and medicine; the recorded text-generation model is `gemini-3.1-pro-preview`.
+
+The corpus contains approximately 14.69 hours. The `generated_only` configuration filters out ArE-CSTD-derived rows.
+
+## Component licenses
+
+This repository uses `license: other` because its components have different licenses. The `license` and `license_note` fields identify the terms for each row.
+
+- **Prompt-generated rows:** Abdelrahman R. Hashem releases the author-created prompts, generated text, and resulting synthetic audio under **CC BY 4.0**. [Google's Gemini API terms](https://ai.google.dev/gemini-api/terms) state that Google does not claim ownership of generated content.
+- **ArE-CSTD-derived rows:** the [ArE-CSTD card](https://huggingface.co/datasets/SDAIANCAI/Ar-En-Code-Switching-Textual-Dataset) body states **CC BY-NC-SA 4.0**, although its Hugging Face metadata currently says CC BY-SA 4.0. This release follows the stricter card-body statement. Attribution and share-alike obligations apply, and commercial use is not permitted.
+
+This section records provenance and risks; it is not legal advice.
+
+## Intended uses and limitations
+
+- Training or evaluating Arabic-English code-switched ASR.
+- Studying synthetic speech augmentation.
+- The synthetic test partition is not evidence of real-world human-speech robustness.
+- TTS voices do not represent real demographic, acoustic, or prosodic diversity.
+- TTS artifacts and prompt repetition can make results easier or more model-specific than human speech.
+
+## Companion human review annotations
+
+Review decisions, correction deltas, and canonical split membership for the upstream human dataset are prepared as a separate metadata-only repository:
+
+[`abdo1819/arabic-english-code-switching-review-annotations`](https://huggingface.co/datasets/abdo1819/arabic-english-code-switching-review-annotations)
+
+That package contains no human audio and joins to the pinned upstream dataset by row index.
+
+## Citation
+
+```bibtex
+@dataset{hashem2026syntheticcodeswitchasr,
+  author    = {Hashem, Abdelrahman R.},
+  title     = {Synthetic Arabic-English Code-Switched Speech for ASR},
+  year      = {2026},
+  publisher = {Hugging Face},
+  url       = {https://huggingface.co/datasets/abdo1819/arabic-english-code-switching-synthetic-asr}
+}
+```
+
+Please also cite ArE-CSTD when using the `synthetic` configuration.
+
+## Contact
+
+Abdelrahman R. Hashem — `arh13@fayoum.edu.eg`

release_summary.json

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+{
+  "release_name": "classic_asr_v1",
+  "canonical_dir": "/home/abdo1819/work/master/qwen_asr/qwen3asr_data/canonical_v1",
+  "link_mode": "hardlink",
+  "profiles": {
+    "generated_only": {
+      "splits": {
+        "train": {
+          "rows": 3555,
+          "hours": 7.864,
+          "source_counts": {
+            "synthetic": 3555
+          },
+          "license_counts": {
+            "cc-by-4.0": 3555
+          },
+          "sample_rates": {
+            "24000": 3555
+          },
+          "metadata_sha256": "c6e1fb990d536be9349479ebb351d5631d6a0cddb95e1bb5b0cc57d86ea2a84d"
+        },
+        "test": {
+          "rows": 389,
+          "hours": 0.8589,
+          "source_counts": {
+            "synthetic": 389
+          },
+          "license_counts": {
+            "cc-by-4.0": 389
+          },
+          "sample_rates": {
+            "24000": 389
+          },
+          "metadata_sha256": "f05bf8d35d8cfadbea3ff34b7a269b13088fc257258ff972a27c928b23a3cbef"
+        }
+      }
+    },
+    "synthetic": {
+      "splits": {
+        "train": {
+          "rows": 8655,
+          "hours": 13.2281,
+          "source_counts": {
+            "synthetic": 8655
+          },
+          "license_counts": {
+            "cc-by-4.0": 3555,
+            "cc-by-nc-sa-4.0": 5100
+          },
+          "sample_rates": {
+            "24000": 8655
+          },
+          "metadata_sha256": "63f5675da5ddd098a4257d70e2ad1fbf060f663fce83d80ed607f9a953a48e57"
+        },
+        "test": {
+          "rows": 962,
+          "hours": 1.4576,
+          "source_counts": {
+            "synthetic": 962
+          },
+          "license_counts": {
+            "cc-by-nc-sa-4.0": 573,
+            "cc-by-4.0": 389
+          },
+          "sample_rates": {
+            "24000": 962
+          },
+          "metadata_sha256": "817ece51540a03c2ca8ec777b6d1d04cbf59d8b69f46ad3b52d02e91fca7e49f"
+        }
+      }
+    }
+  }
+}