Accurately convert
English FLAC files to text

Sonix automatically transcribes your English FLAC files to text in minutes. Access industry-leading artificial intelligence and the days of manually transcribing your English FLAC files are long gone. English speech to text: Sonix has been independently reviewed the most accurate English automated transcription, translation, and subtitling platform.

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Thousands of Sonix customers convert their English FLAC files to text

ESPN uses automated transcription by Sonix to create English FLAC files to text
CIBC uses automated transcription by Sonix to create English FLAC files to text
Google uses automated transcription by Sonix to create English FLAC files to text
CNBC uses automated transcription by Sonix to create English FLAC files to text
NBC Universal uses automated transcription by Sonix to create English FLAC files to text
ABC News uses automated transcription by Sonix to create English FLAC files to text
Microsoft uses automated transcription by Sonix to create English FLAC files to text
Quartz uses automated transcription by Sonix to create English FLAC files to text
University of Arizona uses automated transcription by Sonix to create English FLAC files to text
Yale University uses automated transcription by Sonix to create English FLAC files to text
Stanford University uses automated transcription by Sonix to create English FLAC files to text
What's the best way to convert English FLAC files to text?

Use Sonix to quickly convert
English FLAC files to text

  1. 1
    Log into your Sonix account~30 sec

    If you don't have one, you can sign up for Sonix's free account — Your free trial includes 30 minutes of transcription and translation.

  2. 2
    Upload your English FLAC file~1 min

    Click “Upload” and locate the English FLAC file on your computer.

  3. 3
    Choose language: English~10 sec

    Select English as the language spoken, then click “Transcribe”.

  4. 4
    Sonix transcribes your FLAC file~5 min

    Sonix transcribes your English FLAC file and converts it to English text.

  5. 5
    Polish your English transcript~2 min

    Edit your English transcript directly in the browser to correct any misheard words.

  6. 6
    Export English text~10 sec

    Export the English text to MS Word, PDF, subtitles, or plain text.

English FLAC, in detail

Understanding English FLAC files

English spans many regional varieties, including American, British, Australian, Irish, Canadian, Caribbean, Indian, and Nigerian English, each with distinct pronunciation, vocabulary, and rhythm. Non-rhotic accents (many British and Australian varieties drop the "r" after vowels, as in "car" or "letter") and vowel shifts across regions are the variations most likely to affect speech recognition.

FLAC technical specifications

Codec
FLAC (Free Lossless Audio Codec)
Container
Native FLAC stream (can also be muxed into Ogg or Matroska)
Typical bitrate
Roughly 400–1,000 kbps for CD-quality stereo (varies with content; typically 50–70% of uncompressed size)
Sample rate
44.1–192 kHz common (format supports 1 Hz up to 655 kHz)
Compression
Lossless

English at a glance

Speakers
~1.5 billion speakers worldwide, including roughly 380 million native speakers
Writing system
Latin alphabet
Say hello
Hello!
English FLAC conversion FAQ

Frequently asked questions

How to improve the accuracy of your English transcripts?

Start by improving the quality of the English FLAC file that you upload to Sonix. Please use high quality recording equipment, recording in a quiet environment, and ensure that your speakers are speaking clearly to ensure that your transcript is as accurate as possible.

Any advice for the English FLAC file that I upload?

Yes, please do not over-compress or over-filter the audio track of your English FLAC file. By uploading a high quality version of your audio, we can give you the best level of accuracy.

Aside from FLAC, do you support other types of audio/video files?

Yes, we do! You can convert the following file types in English with Sonix:

Do I need to convert FLAC to MP3 before transcribing?

No. FLAC files can be uploaded and transcribed directly, and skipping the MP3 conversion avoids an unnecessary lossy re-encode of your audio.

Why won't my FLAC file play in iTunes or Apple Music?

Apple's media apps do not natively support FLAC; Apple uses its own lossless codec, ALAC. You can play FLAC on Apple devices through the Files app or a third-party player, or convert the file to ALAC or AAC for library use.

Can Sonix transcribe British and Australian English as well as American English?

Yes. Sonix transcribes English recordings from any region, including British, Australian, Irish, Canadian, and Caribbean accents. Upload your file, review the transcript in the in-browser editor, and export it in your preferred format.

Does English transcription handle recordings with multiple accents?

Yes. A single English recording can include speakers with different regional accents, and Sonix transcribes them in one pass. Speaker labels help you attribute lines to each participant while you edit.

Can Sonix transcribe English audio with heavy background noise?

Sonix can transcribe noisy English audio, but cleaner recordings produce better results. Recordings with background noise, low volume, or crosstalk typically need more correction in the editor.

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