license:mit region:us
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license: mit
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## Description

- **Total Audio Files**: **673,659**
- **Total Audio Length**: **856.20 hours**
- **Total Audio Collected Data**: 18 OCT, 2024

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### **Department-wise Statistics** (After Removal)

| Department | Number of Audio Files | Total Audio Length (hours) |
|------------|-----------------------|----------------------------|
| **STT_AB** | 174,525               | 224.92                     |
| **STT_HS** | 87,088                | 96.27                      |
| **STT_NS** | 241,007               | 318.28                     |
| **STT_NW** | 97,145                | 137.82                     |
| **STT_PC** | 73,894                | 78.90                      |

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### Summary:

After removing the departments `STT_MV`, `STT_CS`, and `STT_TT`, the dataset now contains:

- **673,659** total audio files
- **856.20 hours** of total audio length



**Transcription Quality Grades:**

| Grade | Description                     |
|-------|---------------------------------|
| 1     | Transcribed only                |
| 2     | Reviewed by the team lead       |
| 3     | Reviewed by the quality control team |

## Departments and Metadata
Here is the structured table format for the metadata descriptions:


## STT_Training Metadata

| Column      | Description                                                                                       |
|-------------|---------------------------------------------------------------------------------------------------|
| **file_name** | Structured name of the audio file, including department, project ID, segment ID, and time range.|
| **uni**      | Tibetan transcript in Unicode.                                                                  |
| **wylie**    | Wylie transliteration of the Tibetan text.                                                      |
| **url**      | URL link to the corresponding audio file.                                                       |
| **dept**     | Department identifier (e.g., STT_NS).                                                           |
| **grade**    | Quality grade of the transcription.                                                             |
| **char_len** | Character length of the transcript.                                                            |
| **audio_len** | Duration of the audio file in seconds.                                                         |

## STT_NS (Natural Speech) Metadata

| Column            | Description                                                                                   |
|-------------------|-----------------------------------------------------------------------------------------------|
| **Original ID**   | Unique identifier of the source, if available.                                               |
| **Speaker ID**    | Identifier for the speaker; multiple speakers are listed as a group.                         |
| **Mic/Phone**     | Type of recording device used (e.g., microphone, phone).                                     |
| **Location**      | Geographical location of the speaker.                                                        |
| **Topic**         | Subject matter of the audio.                                                                 |
| **A Short Scenario** | Brief summary of the recording.                                                           |
| **Speaker Name**  | Name of the speaker.                                                                         |
| **Email ID**      | Email address of the speaker.                                                               |
| **Gender**        | Gender of the speaker.                                                                       |
| **Home Address**  | Speaker's home address.                                                                      |
| **Contact No**    | Contact number of the speaker.                                                               |
| **Age**           | Age of the speaker.                                                                          |
| **Course**        | Associated course, if relevant.                                                             |
| **Year**          | Year of the recording.                                                                       |
| **Nationality**   | Nationality of the speaker.                                                                  |
| **Birth Place**   | Speaker's birthplace.                                                                       |
| **Date of Birth** | Date of birth of the speaker.                                                               |
| **Native Language** | First language of the speaker.                                                            |
| **College**       | Associated institution of the speaker.                                                      |

## STT_AB (Audio Book) Metadata

| Column               | Description                                                                                     |
|----------------------|-------------------------------------------------------------------------------------------------|
| **Original ID**      | Unique identifier of the source, if available.                                                  |
| **Collection**       | Collection or set to which the audio belongs.                                                   |
| **Book Title**       | Title of the recorded book or text.                                                             |
| **Category**         | Classification of the recording (e.g., text).                                                   |
| **Recorder**         | Identifier of the person who recorded the audio.                                                |
| **Music**            | Indicates if background music is present (True/False).                                          |
| **Name**             | Speaker's name.                                                                                 |
| **Gender**           | Gender of the speaker.                                                                          |
| **Age**              | Age of the speaker.                                                                             |
| **Place**            | Recording location.                                                                             |
| **Livelihood**       | Speaker's profession or occupation.                                                             |
| **Birth Place**      | Birthplace of the speaker.                                                                      |
| **Social/Marital Status** | Speaker’s social or marital status.                                                       |
| **Education Level**  | Educational background of the speaker.                                                          |

## STT_NW (News) Metadata

| Column               | Description                                                                                     |
|----------------------|-------------------------------------------------------------------------------------------------|
| **Name of News**     | Title of the news segment.                                                                      |
| **Publishing Year**  | Year the news was published.                                                                    |
| **Media Organization** | Media outlet responsible (e.g., TibetTV, VOA Tibetan).                                       |
| **Audio Quality**    | Quality rating of the audio.                                                                   |
| **Single Speaker**   | Indicates if a single speaker is present (True/False).                                          |
| **Country**          | Country of the news production.                                                                 |
| **Original ID**      | Unique identifier of the original source, if available.                                         |

## STT_HS (Historical Speech) Metadata

| Column            | Description                                                                                   |
|-------------------|-----------------------------------------------------------------------------------------------|
| **file_name**     | Structured name of the audio file, including department, project ID, segment ID, and time range. |
| **uni**           | Tibetan transcript in Unicode format, preserving the original speech content.                 |
| **wylie**         | Wylie transliteration of the Tibetan transcript, providing a phonetic representation.         |
| **url**           | Direct URL link to the corresponding audio file stored on a cloud server.                     |
| **dept**          | Department identifier, specifically for Historical Speech recordings (STT_HS).                |
| **grade**         | Quality grade of the transcription, indicating the level of review and quality assurance.     |
| **char_len**      | The character length of the transcript, representing the size of the text content.            |
| **audio_len**     | Duration of the audio file in seconds, indicating the length of the speech segment.           |
| **Publishing Year** | Year the speech was recorded or published, providing historical context to the content.     |
| **Name**          | Name of the speaker, often with an alias to protect privacy.                                  |
| **Gender**        | Gender of the speaker, typically categorized as Male or Female.                               |
| **Age Group**     | Age range of the speaker at the time of recording, categorized into groups.                   |
| **Place of Origin** | Region or cultural area the speaker originates from, such as Kham or Utsang.               |
| **Exiled Year**   | Year when the speaker went into exile, providing context to their personal history.           |
| **Original ID**   | Unique identifier for the source or original collection of the recording.                     |


## STT_PC Podcast Speech Metadata

| Column              | Description                                                                                   |
|---------------------|-----------------------------------------------------------------------------------------------|
| **Name of podcast** | Title of the podcast episode, highlighting the main topic discussed.                          |
| **Publishing year** | Year the podcast episode was published, providing context to the content.                     |
| **Channel**         | Name of the channel or platform where the podcast is broadcasted (e.g., "Tibetan Libr").     |
| **Audio Quality**   | Rating of the audio quality, indicating clarity and production standards (e.g., "Good").      |
| **Country**         | Country of origin or production for the podcast episode (e.g., "India").                      |
| **Gender**          | Gender of the speaker in the podcast episode (e.g., "Male").                                 |
| **Age Group**       | Age range of the speaker at the time of recording (e.g., "60-70").                           |
| **Original ID**     | Unique identifier for the source or original collection of the recording.                     |



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