Konuşmacı günlüğü is an AI-powered process that automatically identifies and labels different speakers in audio or video recordings, answering the fundamental question “who spoke when.” By analyzing voice characteristics like pitch, tone, and speaking patterns, diarization transforms multi-speaker recordings into structured transcripts where each segment is attributed to a specific speaker — turning unusable walls of text into searchable, organized documents.
Think of speaker diarization like how you recognize voices at a dinner party — even with your eyes closed, you can tell who’s speaking based on their unique vocal characteristics. AI systems do this through a five-step process:
The system first identifies when speech occurs versus silence or background noise. This separates the “talking parts” from everything else in your recording.
Speech is divided into small chunks, typically 0.5 to 10 seconds each. Each segment represents a continuous stretch of one person speaking.
Here’s where the real intelligence happens. The system creates “speaker embeddings” — essentially digital fingerprints that capture unique voice characteristics. These embeddings encode patterns like vocal pitch, speaking rhythm, accent markers, and tonal qualities that make each voice distinct.
Modern systems automatically detect how many different speakers appear in a recording — typically handling anywhere from 2 to 26 distinct voices depending on the platform.
Finally, the system groups segments with similar voice fingerprints together and assigns consistent labels throughout the recording. Speaker A in minute one gets the same label as Speaker A in minute thirty.
The result? A transcript that clearly shows who said what, with labels like “Speaker 1,” “Speaker 2,” or custom names you assign.
Without speaker labels, multi-speaker transcripts are nearly useless. Imagine reading a meeting transcript that’s just paragraphs of text with no indication of who’s speaking — you can’t follow the conversation flow, search for what a specific person said, or identify who committed to action items.
Manual speaker labeling takes 3-4 times longer than the audio duration to complete. A one-hour interview? That’s 3-4 hours of tedious work just to add speaker labels. Otomatik transkripsiyon with diarization handles this in minutes, freeing you to focus on analysis rather than grunt work.
Different fields leverage diarization for different outcomes:
İçin araştırmacılar ve gazeteciler handling hours of interview recordings, diarization transforms the analysis process from overwhelming to manageable.
Modern diarization systems achieve 80-95% accuracy in optimal conditions, with leading providers reporting up to 48% fewer speaker identification errors compared to baseline systems.
Be realistic: most automated diarization requires 10-20% manual review and correction. The technology works best as a highly accurate assistant that handles the heavy lifting while you provide quality control. Platforms like Sonix offer in-browser editing tools that make reviewing and correcting speaker labels quick and painless.
These terms sound similar but solve different problems:
Konuşmacı Günlüğü assigns generic labels (Speaker 1, Speaker 2) based on voice differences within a single recording. It doesn’t know kim the speakers are — just that they’re different from each other.
Konuşmacı Tanıma learns specific voices over time, automatically applying names after you’ve labeled the same speaker in a few recordings. This requires building a voice profile library, which raises additional privacy considerations around biometric data storage.
Most transcription workflows start with diarization, then manually assign names to the generic labels. Some enterprise platforms like Sonix offer recognition features for teams with recurring speakers — helpful for organizations transcribing weekly meetings with the same participants.
Meeting Minutes: An 8-person strategy meeting becomes searchable by speaker. Find every commitment Sarah made or every question the CEO asked.
Podcast Production: Automatically separate host questions from guest answers for clip creation, chapter markers, and show notes.
Legal Depositions: Create speaker-indexed transcripts where attorneys can instantly locate all testimony from a specific witness.
Qualitative Research: Code interview data by speaker, tracking how different participants respond to the same topics.
Yapay zeka analiz araçları can take diarization further — extracting themes, sentiment, and key moments from speaker-attributed transcripts, helping you surface insights from hours of recordings in minutes.
Modern systems achieve 80-95% accuracy with clear audio and distinct voices. Accuracy decreases with overlapping speech, similar-sounding speakers, or poor audio quality. Plan for a quick manual review pass to catch the 10-20% that needs correction.
Standard diarization assigns generic labels like “Speaker 1” and “Speaker 2.” You’ll need to manually assign names after reviewing the transcript. Some platforms offer speaker recognition that learns voices over time, but this requires building voice profiles across multiple recordings.
Clear audio with minimal background noise delivers the best results. Use quality microphones, reduce echo, and minimize crosstalk between speakers. Even decent smartphone recordings typically work well if speakers aren’t talking over each other.
Most commercial systems reliably handle 2-10 speakers, with some supporting up to 26. Accuracy is highest with 2-4 distinct voices. Large meetings or panel discussions with many participants may require more manual correction.
Yes — leading platforms support diarization across dozens of languages. The technology analyzes acoustic voice features that transcend language, though accuracy can vary depending on the specific language and how well-trained the underlying models are.
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