Audio Annotator and Transcriber - European Portuguese

Job Title: European Portuguese Audio Annotation & Transcription Specialist Project Description: We are seeking detail-oriented native or fluent European Portuguese (EP) linguists/annotators for an audio processing project involving customer service dialogues across four sectors: Healthcare, Public Sector, Energy, and NGO. The work involves audio segmentation, speaker role tagging, and accurate verbatim transcription. Key Responsibilities Audio Segmentation & Alignment: Segment audio line-by-line based on semantic coherence (average segment length: 5–6 seconds; maximum 8 seconds). Maintain clean silence margins around audio cuts (100ms–150ms) while avoiding speech truncation or sudden noise inclusions. Speaker & Attribute Tagging: Tag audio-level attributes (Gender: Male/Female; Role: Operator/Customer). Assign sentence-level speaker IDs (e.g., 01, C1, 02, C2 for multi-speaker dialogues). Verbatim Transcription & Special Tagging: Provide verbatim transcription matching spoken words exactly. Transcribe numbers as full words (no Arabic numerals allowed). Apply specific structural and acoustic tags: [N] for background noise [OVERLAP/][/OVERLAP] for simultaneous speech [LAUGHTER] for non-verbal laughter [PIL] for sensitive private information (addresses, phone numbers, IDs) [OIVS] for non-recording human background voices (TV, radio, background chatter) * for inaudible/unclear words Requirements & Qualifications Native or high-level proficiency in European Portuguese (EP). Note: Audio entirely in Brazilian Portuguese (BP) is considered invalid for this project. Exceptional listening skills and high attention to rule-based guidelines. Prior experience with audio annotation tools (DataPlus, Audacity, Praat, CVAT, or similar) is preferred. Ability to meet strict quality benchmarks: Word Transcription Accuracy: ≥ 98% Speaker Role Accuracy: ≥ 97% Special Label Accuracy: ≥ 90% How to Apply Please submit your proposal including: Your rate per audio hour or per 1,000 segments. Summary of your experience with audio annotation or transcription in European Portuguese. Your daily availability (hours/day).

Project ID: 40684187