Why do iPhone videos have blurry edges on TV?

Why do phone videos have blurry edges on tv?


[Re-Titled by Moderator]

iPhone 14, iOS 18

Posted on Jan 14, 2025 08:23 PM

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Question marked as Top-ranking reply

Posted on Jan 14, 2025 08:33 PM

if videos captured on an iPhone 14 appear to have blurry edges, the issue could depend on multiple factors. Here's an expanded breakdown of possible influences:


  1. Capture Conditions
    1. Device Used: Ensure the video was genuinely captured with the iPhone 14. If another device was used, it might have different capabilities affecting quality.
    2. Environment:
      1. Lighting: Low-light conditions can cause noise or reduced sharpness, particularly around edges, as the camera may struggle to focus properly.
      2. Motion: If the subject or the camera was moving while recording, it might introduce blur due to motion.
    3. Settings on iPhone 14:
      1. Focus: Improper focus during recording can result in blurred edges.
      2. Resolution and Frame Rate: Videos recorded at a lower resolution (e.g., 1080p instead of 4K) or frame rate might appear less sharp.
      3. Lens Choice: If the ultra-wide lens was used, distortion or edge blurriness could occur due to the lens characteristics.
  2. Playback Device
    1. TV Model: Some TVs may not process video content optimally, especially if they lack advanced upscaling features.
    2. Resolution: Playing a video captured in 4K on a TV with a lower resolution (e.g., 1080p) can lead to loss of detail and sharpness.
    3. Aspect Ratio: If the video's aspect ratio doesn't match the TV's, resizing or stretching could distort the image.
  3. Post-Processing and Transfer
    1. Compression: If the video was shared or transferred using apps or services that compress media (e.g., messaging apps), the quality might degrade.
    2. Editing: Any post-processing, like cropping or applying filters, might introduce artifacts or affect sharpness.


Suggestions:

To pinpoint the cause:

  • Test Playback: Try playing the video on the iPhone, a computer, and the TV. If the blurriness is consistent, it's likely due to capture settings or conditions.
  • Review Camera Settings: Ensure optimal settings were used on the iPhone 14 (e.g., 4K at 60fps, proper focus, and good lighting).
  • Inspect the TV Settings: Check if the TV’s picture settings (sharpness, upscaling, etc.) are optimized for video playback.
  • Test with Other Videos: Compare with other videos captured on the same device to rule out hardware issues.


1 reply
Question marked as Top-ranking reply

Jan 14, 2025 08:33 PM in response to David604

if videos captured on an iPhone 14 appear to have blurry edges, the issue could depend on multiple factors. Here's an expanded breakdown of possible influences:


  1. Capture Conditions
    1. Device Used: Ensure the video was genuinely captured with the iPhone 14. If another device was used, it might have different capabilities affecting quality.
    2. Environment:
      1. Lighting: Low-light conditions can cause noise or reduced sharpness, particularly around edges, as the camera may struggle to focus properly.
      2. Motion: If the subject or the camera was moving while recording, it might introduce blur due to motion.
    3. Settings on iPhone 14:
      1. Focus: Improper focus during recording can result in blurred edges.
      2. Resolution and Frame Rate: Videos recorded at a lower resolution (e.g., 1080p instead of 4K) or frame rate might appear less sharp.
      3. Lens Choice: If the ultra-wide lens was used, distortion or edge blurriness could occur due to the lens characteristics.
  2. Playback Device
    1. TV Model: Some TVs may not process video content optimally, especially if they lack advanced upscaling features.
    2. Resolution: Playing a video captured in 4K on a TV with a lower resolution (e.g., 1080p) can lead to loss of detail and sharpness.
    3. Aspect Ratio: If the video's aspect ratio doesn't match the TV's, resizing or stretching could distort the image.
  3. Post-Processing and Transfer
    1. Compression: If the video was shared or transferred using apps or services that compress media (e.g., messaging apps), the quality might degrade.
    2. Editing: Any post-processing, like cropping or applying filters, might introduce artifacts or affect sharpness.


Suggestions:

To pinpoint the cause:

  • Test Playback: Try playing the video on the iPhone, a computer, and the TV. If the blurriness is consistent, it's likely due to capture settings or conditions.
  • Review Camera Settings: Ensure optimal settings were used on the iPhone 14 (e.g., 4K at 60fps, proper focus, and good lighting).
  • Inspect the TV Settings: Check if the TV’s picture settings (sharpness, upscaling, etc.) are optimized for video playback.
  • Test with Other Videos: Compare with other videos captured on the same device to rule out hardware issues.


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Why do iPhone videos have blurry edges on TV?

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