A transcription service turns spoken words from audio and video files into an accurate written record. This guide explains what transcription services are, how they work, the difference between AI and human transcription, the types of transcription available, and what to look for when choosing a transcription company.
What is a transcription service?
A transcription service converts recorded speech from an audio or video file into a written transcript. The work is done by professional human transcribers (also called transcriptionists), by automatic speech-recognition software, or by a combination of both. The finished transcript is an accurate, formatted written record of the spoken words that can be read, searched, quoted, edited, and translated.
How do transcription services work?
A professional transcription service follows a simple transcription process:
- You upload the recording — the audio or video recording is submitted securely online in any common file format.
- The audio is transcribed — a human transcriptionist types out the speech, or speech-recognition software produces a first draft.
- The draft is reviewed and edited — a transcription editor checks the text against the audio for accuracy, speaker labels, and formatting.
- The transcript is delivered — you receive a clean, high-quality transcription, usually within 24 hours for short files.
Types of transcription: AI vs human
Automated (AI) transcription
Automated transcription uses AI transcription tools and speech-recognition software to convert audio to text in minutes at low cost. This AI transcription is fast and affordable, but its accuracy falls sharply with background noise, multiple speakers, strong accents, and specialist terminology.
Human (manual) transcription
Human transcription is produced by professional human transcribers who listen to the recording and type it out. Human transcription services deliver the accurate, high-quality transcription that legal, medical, academic, and official documents require, even on difficult audio with several speakers. This is also the only reliable way to produce verbatim transcription, where every word, pause, and filler is captured exactly.
AI vs human transcription: which is more accurate?
Human transcription is more accurate than automated transcription, especially on complex or low-quality audio. Transcription accuracy is the single most important factor for anything submitted to a court, regulator, or publisher. Many providers combine the two — an AI draft corrected by a human transcriptionist — to balance speed and accuracy, but accurate human transcription remains the gold standard.
Transcription tools and software
A range of transcription software and AI transcription tools can produce a quick draft using speech recognition, and a transcription editor speeds up manual work with playback control and shortcuts. These tools help, but they do not replace a skilled transcriptionist: on real-world audio, software still needs a human to reach professional accuracy.
Specialist transcription services
Some transcription is handled by specialists trained in the vocabulary and formatting of a specific field:
- Legal transcription — the legal industry relies on exact transcripts of legal cases, court hearings, and depositions, formatted to court requirements
- Medical transcription services — clinical notes and consultations, handled under strict confidentiality and HIPAA (Health Insurance Portability and Accountability Act) rules
- Academic and market research transcription — interviews and focus groups transcribed verbatim for coding and analysis
- Business transcription — meetings, calls, and conferences turned into searchable minutes
What audio and video files can be transcribed?
A professional transcription service works with virtually all types of audio and video files — interviews, podcasts, lectures, webinars, phone calls, meetings, and video recordings, in every common file format. Video transcription also feeds captions and subtitles, because the transcript can be timestamped and synced to the picture.
Transcription and translation
Transcription and translation often go hand in hand. A written transcript is the first step to translating an audio or video recording into another language, and the same transcript feeds subtitling and dubbing. As an American Translators Association (ATA) accredited agency, Espresso Translations transcribes and translates audio and video across 150+ language pairs, so one recording can move from spoken word to accurate translated text in any language you need.
Why use a professional transcription service?
- Accuracy and efficiency — trained human transcriptionists catch what software misses on difficult audio
- Time — transcribing one hour of audio takes an experienced transcriber several hours, so outsourcing frees you to focus on your work
- Secure and confidential — reputable providers handle sensitive recordings under an NDA
- Affordable — professional transcription is priced fairly per audio minute, with AI and human options to suit your budget
Are transcription services secure and confidential?
A professional transcription service handles your recordings securely and confidentially. Files are transferred over encrypted connections, access is limited to the assigned transcriptionist, and sensitive projects are covered by a non-disclosure agreement. For medical work, secure transcription that follows HIPAA and equivalent data-protection standards is essential.
Who uses transcription services?
Demand for transcription services spans almost every field: journalists transcribing interviews, market-research and academic teams coding focus groups, the legal industry preparing depositions, medical practices documenting consultations, businesses recording meetings, and content creators turning podcasts and videos into text, captions, and subtitles.
Frequently asked questions about transcription services
How much does a transcription service cost?
Professional transcription is usually priced per audio minute. The rate depends on audio quality, the number of speakers, the subject matter, and turnaround time. AI transcription is cheaper but less accurate; human transcription costs more and delivers a reliable, accurate transcript.
What is the difference between verbatim and edited transcription?
Verbatim transcription captures every spoken word, filler, and pause exactly, and is used for legal and research work. Edited transcription removes fillers and false starts for a clean, readable text, and is used for interviews, articles, and business documents.
Can I use speech-to-text software instead?
Speech-recognition software is useful for a quick, rough draft, but it struggles with accents, background noise, and multiple speakers. For accurate transcripts you can rely on — especially legal, medical, or published work — a professional human transcription service is the better choice.
Check Out Our Transcription Service
If you are looking for the most accurate and best transcription services, check out our service.
We deliver transcriptions where every word is accurate and can do so in unbeatable turnaround time if needed; 48, 24 or even 12 hours if needed.
If you are interested in our professionals transcribing for you, just get in touch using the link below to request a free quote.
And if you are in a rush, don’t worry; our team will get back to you within an hour after you request a quote.
Bonus Tip: How To Keep Your Transcription Cost Low
We also wanted to quickly give you some tips on keeping your costs low when using transcription services.
- Avoid multiple speakers speaking at the same time
- Avoid recording in places with lots of background noise
- Use a microphone that outputs clear volume
- Test the audio before recording to make sure it’s recording clearly
By doing this, it will make it easier to transcribe, which will keep your costs lower. If you would like to learn more about this, we have some blog posts explaining this in further detail with even more tips.

