How to Transcribe Bad Quality Audio and Represent Inaudible in Transcripts?

Ever since the world went digital, transcription has become one of the busiest service industries. Everyone, from students to professionals, now relies on professional transcription services.

The process is simple. You record your call or dictation, then share it with a professional transcription service company that transcribes it for you.

But what happens when the recording is not good quality? How do you transcribe a bad-quality dictation in a way that is still accurate and useful?

And what even counts as a bad-quality dictation? As a professional, you cannot simply hand it back. So this article walks through what to do when a poor recording lands on your desk.

What is a Bad-Quality Recording?

A bad-quality recording could include any of the following:

• Unnecessary background noise
• Overlapping conversations
• Muffled voices
• Different volumes
• Lagged conversations
• All of the above in one recording

A poor-quality audio file can contain so many inaudible parts that it becomes hard to produce a usable transcript.

How Do Poor-Quality Recordings Affect Transcription?

Transcription is a detailed process, which is exactly why professionals handle it. Substandard audio makes that work harder, because the transcriptionist has to strain to hear what is being said before typing it accurately.

It can also lower the quality of the final transcript. Critical parts of the conversation may be lost in the inaudible sections.

Ideally, recordings should be made in a quiet place to keep the audio clear. In practice, that does not always happen, and a microphone placed in the wrong spot often leads to inaudible voices.

Also Read: Top Digital Tools for Transcribing Audio Interviews

What to Do When You Receive a Low-Quality or Distorted Recording

Here are a few methods that help you understand a poor recording better and transcribe it precisely, in case one ever reaches you.

• Use good-quality earphones or a headset: A quality headset is a lifesaver. It helps you hear sounds far more clearly, which makes accurate transcription much easier.
• Slow down or speed up the recording: Changing the playback speed can make words clearer. Slowing it down often improves clarity.
• Use a sound editor to enhance the audio: Sound editors can strip out background noise and help you make sense of the speech.
• Use software to clean up the audio: A cleanup app works much like a sound editor, removing background noise so the voices come through.

What to Do with Inaudible Words?

If a few words or sentences are hard to catch, first try to work out the meaning from the surrounding context.

Even so, guessing is not advisable. A professional transcriptionist's job is to deliver an accurate transcript, not to fill gaps with guesswork.

When you cannot understand the audio at all, mark it instead of guessing. Use [inaudible] or [unintelligible] to show that part of the recording was not clear. You can also use symbols like '-' or '....', or write [several inaudible words] to flag unclear sounds.

Adding timestamps makes this even more useful, since anyone can then find the exact spot you are referring to. Put the tag and timestamp together in brackets, in the format "[inaudible at 00:16:52]", to pinpoint the unclear portion.

Inaudible vs. Unintelligible: What's the Difference?

Both tags mark a spot where the words could not be captured. They point to different problems, though, and using the right one tells your client something useful.

Use [inaudible] when you cannot hear the speech at all. The audio itself is the barrier, such as background noise, low volume, a dropout, or a muffled microphone.

Use [unintelligible] when you can hear the speech clearly but still cannot make out the words. This usually comes from a strong accent, mumbling, people talking over each other, or unfamiliar technical terms.

The distinction matters because it signals the fix. An [inaudible] tag suggests the recording setup needs to improve. An [unintelligible] tag suggests the content may need clarification from someone who knows the subject or the speakers.

What These Placeholders Mean If You See Them in Your Transcript

Sometimes you are the one reading a finished transcript, not typing it, and you find tags like [inaudible] or [unintelligible] in the text. They are not errors. They are the transcriptionist's honest signal that a specific moment could not be captured with confidence.

A good transcript will usually pin the spot with a timestamp, in a format such as [inaudible at 00:16:52]. That lets you jump straight to that point in the recording and try to confirm the word yourself.

If you see several of these tags, it is a sign the source audio was hard to work with. Reviewing the recording quality, or supplying a cleaner file, often clears up most of them. When context is critical, ask your provider whether a second pass or a subject-matter reviewer could recover the missing words.

What Do You Do If the Audio is Still Poor-Quality?

If you have tried everything above and still cannot make sense of the recording, tell your client clearly.

Let them know what is causing the difficulty and how much extra time it will take. That extra time usually means additional charges, so discuss it with them directly. Be clear that the audio quality affects the transcript quality, along with the cost and effort needed to produce it.

To help prevent poor recordings, you can also share some simple recording advice with your client. For example, sit in a quiet place with the microphone close enough to everyone, which helps capture the audio correctly.

These tips save a lot of time and effort for both you and your client. For more information on transcriptions of bad-quality recordings and excellent professional audio transcription services, contact us today.

Also Read: The Pros and Cons of Google Voice's Voicemail Transcription