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license: mit |
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# STT Training Data |
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This dataset is prepared for Speech-to-Text (STT) training. It contains audio files from different departments, each annotated with their transcription. The dataset is split by department and includes the duration of audio data per department. |
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## Dataset Overview |
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- **Total Audio Files**: 1,391,020 |
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- **Total Audio Length**: 1,576.76 hours |
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- **Total Audio collected data**: 18 OCT, 2024 |
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## Department-wise Statistics |
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| Department | Number of Audio Files | Total Audio Length (hours) | |
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|------------|-----------------------|----------------------------| |
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| STT_AB | 174,525 | 224.92 | |
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| STT_CS | 150,310 | 219.51 | |
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| STT_HS | 87,088 | 96.27 | |
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| STT_MV | 112,756 | 193.27 | |
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| STT_NS | 241,007 | 318.28 | |
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| STT_NW | 97,145 | 137.82 | |
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| STT_PC | 73,894 | 78.90 | |
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| STT_TT | 454,295 | 307.78 | |
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## Total Audio Length by Department |
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The total audio length of each department in hours: |
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- **STT_AB**: 224.92 hours |
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- **STT_CS**: 219.51 hours |
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- **STT_HS**: 96.27 hours |
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- **STT_MV**: 193.27 hours |
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- **STT_NS**: 318.28 hours |
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- **STT_NW**: 137.82 hours |
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- **STT_PC**: 78.90 hours |
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- **STT_TT**: 307.78 hours |
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## Total Audio Length |
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The combined audio length across all departments is **1,576.76 hours**. |
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**Transcription Quality Grades:** |
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| Grade | Description | |
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|-------|---------------------------------| |
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| 1 | Transcribed only | |
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| 2 | Reviewed by the team lead | |
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| 3 | Reviewed by the quality control team | |
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## Departments and Metadata |
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Here is the structured table format for the metadata descriptions: |
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## STT_Training Metadata |
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| Column | Description | |
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|-------------|---------------------------------------------------------------------------------------------------| |
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| **file_name** | Structured name of the audio file, including department, project ID, segment ID, and time range.| |
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| **uni** | Tibetan transcript in Unicode. | |
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| **wylie** | Wylie transliteration of the Tibetan text. | |
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| **url** | URL link to the corresponding audio file. | |
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| **dept** | Department identifier (e.g., STT_NS). | |
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| **grade** | Quality grade of the transcription. | |
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| **char_len** | Character length of the transcript. | |
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| **audio_len** | Duration of the audio file in seconds. | |
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## STT_NS (Natural Speech) Metadata |
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| Column | Description | |
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|-------------------|-----------------------------------------------------------------------------------------------| |
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| **Original ID** | Unique identifier of the source, if available. | |
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| **Speaker ID** | Identifier for the speaker; multiple speakers are listed as a group. | |
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| **Mic/Phone** | Type of recording device used (e.g., microphone, phone). | |
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| **Location** | Geographical location of the speaker. | |
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| **Topic** | Subject matter of the audio. | |
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| **A Short Scenario** | Brief summary of the recording. | |
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| **Speaker Name** | Name of the speaker. | |
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| **Email ID** | Email address of the speaker. | |
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| **Gender** | Gender of the speaker. | |
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| **Home Address** | Speaker's home address. | |
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| **Contact No** | Contact number of the speaker. | |
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| **Age** | Age of the speaker. | |
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| **Course** | Associated course, if relevant. | |
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| **Year** | Year of the recording. | |
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| **Nationality** | Nationality of the speaker. | |
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| **Birth Place** | Speaker's birthplace. | |
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| **Date of Birth** | Date of birth of the speaker. | |
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| **Native Language** | First language of the speaker. | |
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| **College** | Associated institution of the speaker. | |
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## STT_AB (Audio Book) Metadata |
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| Column | Description | |
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|----------------------|-------------------------------------------------------------------------------------------------| |
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| **Original ID** | Unique identifier of the source, if available. | |
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| **Collection** | Collection or set to which the audio belongs. | |
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| **Book Title** | Title of the recorded book or text. | |
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| **Category** | Classification of the recording (e.g., text). | |
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| **Recorder** | Identifier of the person who recorded the audio. | |
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| **Music** | Indicates if background music is present (True/False). | |
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| **Name** | Speaker's name. | |
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| **Gender** | Gender of the speaker. | |
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| **Age** | Age of the speaker. | |
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| **Place** | Recording location. | |
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| **Livelihood** | Speaker's profession or occupation. | |
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| **Birth Place** | Birthplace of the speaker. | |
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| **Social/Marital Status** | Speaker’s social or marital status. | |
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| **Education Level** | Educational background of the speaker. | |
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## STT_NW (News) Metadata |
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| Column | Description | |
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|----------------------|-------------------------------------------------------------------------------------------------| |
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| **Name of News** | Title of the news segment. | |
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| **Publishing Year** | Year the news was published. | |
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| **Media Organization** | Media outlet responsible (e.g., TibetTV, VOA Tibetan). | |
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| **Audio Quality** | Quality rating of the audio. | |
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| **Single Speaker** | Indicates if a single speaker is present (True/False). | |
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| **Country** | Country of the news production. | |
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| **Original ID** | Unique identifier of the original source, if available. | |
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## STT_HS (Historical Speech) Metadata |
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| Column | Description | |
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|-------------------|-----------------------------------------------------------------------------------------------| |
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| **file_name** | Structured name of the audio file, including department, project ID, segment ID, and time range. | |
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| **uni** | Tibetan transcript in Unicode format, preserving the original speech content. | |
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| **wylie** | Wylie transliteration of the Tibetan transcript, providing a phonetic representation. | |
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| **url** | Direct URL link to the corresponding audio file stored on a cloud server. | |
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| **dept** | Department identifier, specifically for Historical Speech recordings (STT_HS). | |
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| **grade** | Quality grade of the transcription, indicating the level of review and quality assurance. | |
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| **char_len** | The character length of the transcript, representing the size of the text content. | |
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| **audio_len** | Duration of the audio file in seconds, indicating the length of the speech segment. | |
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| **Publishing Year** | Year the speech was recorded or published, providing historical context to the content. | |
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| **Name** | Name of the speaker, often with an alias to protect privacy. | |
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| **Gender** | Gender of the speaker, typically categorized as Male or Female. | |
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| **Age Group** | Age range of the speaker at the time of recording, categorized into groups. | |
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| **Place of Origin** | Region or cultural area the speaker originates from, such as Kham or Utsang. | |
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| **Exiled Year** | Year when the speaker went into exile, providing context to their personal history. | |
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| **Original ID** | Unique identifier for the source or original collection of the recording. | |
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## STT_CS Children Speech Metadata |
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| Column | Description | |
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|---------------------|----------------------------------------------------------------------------------------------| |
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| **Microphone_Type** | Type of microphone used for recording, if available. | |
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| **Recording_Type** | The type of recording (e.g., classroom, outdoor, etc.). | |
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| **Speakers ID** | Unique identifier for the child speaker. | |
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| **Birth Year** | Year of birth of the child speaker, providing demographic context. | |
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| **Gender** | Gender of the child speaker, typically categorized as Male or Female. | |
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| **CITY** | City of residence of the child speaker, indicating their geographical background. | |
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| **TOWN** | Town of residence, if applicable, providing more specific location details. | |
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| **school** | Identifier for the school attended by the child, if available. | |
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| **school name** | Name of the school or educational institution attended by the child. | |
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| **Birth Place** | Birthplace of the child speaker, indicating their origin. | |
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| **spoken tongue** | Primary language spoken by the child, providing context for their linguistic background. | |
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| **Original ID** | Unique identifier for the source or original collection of the recording. | |
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| **CLASS** | Academic class or grade level of the child at the time of the recording. | |
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## STT_MV Movie Speech Metadata |
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| Column | Description | |
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|---------------------|----------------------------------------------------------------------------------------------| |
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| **Name of the movie** | Title of the movie from which the dialogue is extracted. | |
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| **Subtitle** | Subtitle information for the dialogue, if available (e.g., "Chinese"). | |
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| **Original ID** | Unique identifier for the source or original collection of the recording. | |
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## STT_PC Podcast Speech Metadata |
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| Column | Description | |
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|---------------------|-----------------------------------------------------------------------------------------------| |
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| **Name of podcast** | Title of the podcast episode, highlighting the main topic discussed. | |
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| **Publishing year** | Year the podcast episode was published, providing context to the content. | |
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| **Channel** | Name of the channel or platform where the podcast is broadcasted (e.g., "Tibetan Libr"). | |
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| **Audio Quality** | Rating of the audio quality, indicating clarity and production standards (e.g., "Good"). | |
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| **Country** | Country of origin or production for the podcast episode (e.g., "India"). | |
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| **Gender** | Gender of the speaker in the podcast episode (e.g., "Male"). | |
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| **Age Group** | Age range of the speaker at the time of recording (e.g., "60-70"). | |
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| **Original ID** | Unique identifier for the source or original collection of the recording. | |
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## STT_TT Tibetan Teaching Talk Metadata |
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| Column | Description | |
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|---------------------|-----------------------------------------------------------------------------------------------| |
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| **Teacher** | Name of the teacher delivering the talk, often with an alias to protect privacy. | |
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| **Topic** | Subject matter discussed in the talk, providing context to the content. | |
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| **books** | Associated books or materials referenced in the talk, if applicable. | |
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| **Episode** | Episode number or identifier for the talk series. | |
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| **Original ID** | Unique identifier for the source or original collection of the recording. | |
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