A transcription service is a professional service that converts spoken words from audio or video recordings into written text. These services can be manual, where human transcribers do the work, or automated, using advanced speech recognition software. Transcription services are widely used in various fields, including legal, medical, academic, and business sectors, to create accurate text records of spoken content.
Transcription services operate by processing audio or video recordings and converting the spoken content into text. Here’s a simplified overview of the process:
The audio or video content is recorded using devices such as smartphones, digital recorders, or conferencing systems.
The recording is uploaded to the transcription service platform, which may use human transcribers, automated software, or a combination of both to process the audio.
The service listens to the audio and transcribes it into text. Manual transcription involves a person typing out the content, while automated transcription relies on software to recognize and transcribe the speech.
We currently have a file size limit of 10 MB. Given that most voice messages are encoded with a constant bitrate and a single channel (mono, no stereo), we can calculate the maximum duration of a file using the following equation:
Applying this equation to our 10 MB limit and a bitrate of 64 kbps (commonly used by the iPhone recorder app), we arrive at a maximum duration of approximately 21 minutes and 51 seconds. To easily calculate durations for different file sizes and bitrates, you can use our audio duration calculator.