Analysis of Audio Quality Issues in Modern Televisions and How to Improve Them

Introduction

This report examines the common audio problems found in modern thin televisions. It also evaluates whether internal software settings or external hardware are more effective at improving sound quality.

Main Body

The decline in built-in television audio is caused by the physical limits of thinner TV designs. Because the screens are so thin, manufacturers must use small speakers that often face backwards, which prevents high-quality sound and makes it difficult to hear dialogue clearly. While companies have introduced digital tools—such as sound modes, dialogue enhancers, and equalizers—these improvements are limited by the physical hardware. To optimize these settings, users usually need to lower the bass and increase the midrange or treble to make voices clearer. Furthermore, where the TV is placed in the room affects the sound; for example, putting a TV inside a cabinet can muffle the audio, whereas placing it against a flat wall helps the sound reflect better. If internal settings are not enough, using external hardware is recommended. Installing a soundbar is the first step toward better quality, as they offer more clarity and often include wireless subwoofers. For a more complete experience, using a receiver with separate speakers provides a more immersive feeling, although it is more difficult to install. In specialized systems like Sonos, users can further refine the sound by adjusting height channels and subwoofer settings. Specifically, choosing the 'Full' setting for rear speakers can expand the soundstage during stereo playback, which prevents the main soundbar from dominating the audio. However, the success of these changes depends on the room's size, such as the ceiling height and the shape of the space.

Conclusion

Modern televisions have significant audio limitations. These can be partially improved through software settings or fully solved by using external audio systems.

Learning

⚡ The 'Causality' Shift: Moving from Simple to Complex

At the A2 level, you likely say: "The TV is thin, so the sound is bad." To reach B2, you need to explain why and how things happen using more sophisticated structures. Look at how this text connects causes and effects.

🛠 The 'Cause-Effect' Upgrade

1. The "Passive Cause" (A2 \rightarrow B2)

  • A2: "Thin designs cause bad sound."
  • B2: "The decline in audio is caused by the physical limits..."
  • Why it works: By using the passive voice (is caused by), the focus shifts to the problem rather than the person or company. This is a hallmark of B2 academic and professional writing.

2. The "Constraint" Logic

  • The Text: "...these improvements are limited by the physical hardware."
  • The Logic: Instead of saying "They don't work because the hardware is bad," B2 learners use verbs like limit, prevent, or restrict.
  • Try this: Instead of saying "I can't study because it's noisy," try "My study progress is limited by the noise in my house."

🧠 Vocabulary for Precision

B2 is not about using big words, but precise words. Notice these shifts in the article:

A2 Word (General)B2 Word (Precise)Context in Text
BetterOptimize"To optimize these settings..."
ChangeRefine"...users can further refine the sound..."
FixSolve"...fully solved by using external systems."
Big/WideImmersive"...provides a more immersive feeling..."

🚀 Quick Strategy: The "Contrast" Connector

Notice the word "whereas" in the text: *"...putting a TV inside a cabinet can muffle the audio, whereas placing it against a flat wall helps..."

The B2 Rule: Stop using 'but' for everything. Use whereas or while when you are comparing two different situations. It makes your speech flow like a native speaker's.

Vocabulary Learning

analysis (n.)
A detailed examination or study of something, especially to understand its parts and how they work together.
Example:The report’s analysis of audio quality helped identify the main problems.
examines (v.)
To look at closely in order to understand or evaluate something.
Example:The report examines the common audio problems found in modern thin televisions.
decline (n.)
A reduction or decrease in quality, value, or amount.
Example:The decline in built‑in television audio is caused by the physical limits of thinner TV designs.
built‑in (adj.)
Integrated into something as a permanent part, rather than added separately.
Example:Built‑in speakers in modern televisions often face backwards, reducing sound quality.
physical (adj.)
Relating to the body or material reality, not to ideas or emotions.
Example:The improvements are limited by the physical hardware of the TV.
manufacturers (n.)
Companies that make products, especially in large quantities.
Example:Manufacturers must use small speakers that often face backwards.
dialogue (n.)
Conversation between two or more people, especially in a film or book.
Example:The TV’s small speakers make it difficult to hear dialogue clearly.
digital (adj.)
Relating to technology that uses discrete values, usually in binary form.
Example:Digital tools such as sound modes and equalizers are used to improve audio.
equalizers (n.)
Devices that adjust the balance of different frequency components in audio.
Example:Equalizers help shape the sound to make voices clearer.
optimize (v.)
To make something as effective or functional as possible.
Example:Users need to lower the bass and increase the treble to optimize sound clarity.
bass (n.)
Low-frequency sounds in music or audio.
Example:Lowering the bass can improve the overall balance of the TV’s audio.
treble (n.)
High-frequency sounds in music or audio.
Example:Increasing the treble helps voices stand out in a crowded soundscape.
muffle (v.)
To reduce the sharpness or volume of sound, making it less clear.
Example:Placing a TV inside a cabinet can muffle the audio.
immersive (adj.)
Providing a deeply engaging or enveloping experience.
Example:A receiver with separate speakers offers a more immersive listening experience.
subwoofer (n.)
A speaker designed to reproduce low-frequency audio, especially bass.
Example:Wireless subwoofers are often included in soundbars to enhance deep sounds.
soundstage (n.)
The perceived spatial area in which audio sounds appear to originate.
Example:Choosing the Full setting for rear speakers expands the soundstage during stereo playback.
dominating (adj.)
Having the most influence or control over something.
Example:The main soundbar can dominate the audio if not balanced correctly.
limitations (n.)
Restrictions or constraints that prevent something from achieving its full potential.
Example:Modern televisions have significant audio limitations that can be partially improved.