# AR Video

### Using Kivicube's Video Conversion and Compression Service

### Specifications: 

* **Supported File Formats:** mov / mp4 / avi / webm / wmv / mpeg / mpg / 3gp / ogv / mkv / m4v / fv / ts / f4v / 3g2
* File Size Limits:
  * Free: up to 30 MB
  * Starter : up to 50 MB
  * Pro: up to 200 MB
  * Enterprise: up to 200 MB

### Advantages

<table><thead><tr><th width="77.5703125"></th><th width="224.7734375">Advantages</th><th>Description</th></tr></thead><tbody><tr><td>1</td><td>Compression produces smaller, high-quality videos, which helps mitigate slow loading performance.</td><td><p>Kivicube applies high-quality video compression that keeps the video clear and sharp while significantly reducing file size.</p><p>This results in faster downloading and loading, improving overall performance.</p></td></tr><tr><td>2</td><td>High compatibility to prevent playback failures or unexpected behavior</td><td>Kivicube performs compatibility processing on videos to prevent issues such as playback failure, missing visuals, missing audio, or stuttering on web platforms or WeChat Mini Programs.</td></tr><tr><td>3</td><td>The converted output is more compliant and performance-optimized.</td><td>The platform normalizes uploaded videos to ensure compatibility with web and WeChat restrictions, preventing upload failures caused by unsupported formats or specifications.</td></tr><tr><td>4</td><td>Auto Remove Black Borders</td><td>Removes black borders caused by incorrect export settings.</td></tr></tbody></table>

***

## 2. Upload Video Directly

### Specifications:&#x20;

* **Supported File Format:** MP4
* File Size Limits:
  * Free: 30 MB
  * Starter: 50 MB
  * Pro : 200 MB
  * Enterprise: 200 MB
* **Supported Video Codec:** H.264
* **Supported Audio Codec:** LC-AAC
* **Maximum Video Dimension:**
  * Long edge must not exceed 1920 px
  * Recommended long edge: 1280 px or below
* Video Dimensions Must Be Even Numbers (Width and height cannot be odd.)
* Avoid Full-Frame Pure-Black Frames, especially at the beginning of the video.

  *See details for more information.*
* **Video Level Requirement:** Must not exceed Level 5.2
* Video Profile Requirement: Must not exceed High Profile

***

### How to Convert a Video

#### Online Video Conversion Tool

<https://convertio.co/zh/mp4-converter/>

**Choose the Video**

![](https://1498491008-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MEaYmgB-urx5wwuYcCa%2Fuploads%2FEfMJh2O42sObq4uhRmyW%2Fimage.png?alt=media\&token=4074e630-816b-43ce-a104-07f7d597cd69)

**Set the Video parameters**

![](https://1498491008-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MEaYmgB-urx5wwuYcCa%2Fuploads%2Fx1MTbQo5RKFTPPlgZ7oF%2Fimage%20\(1\).png?alt=media\&token=128b2f74-c2b3-4e3e-8f65-e4dd7028679b)

Start converting th video

![](https://1498491008-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MEaYmgB-urx5wwuYcCa%2Fuploads%2Fy9CNJDCxG3orHhabUl1l%2Fimage%20\(2\).png?alt=media\&token=f0ad6ebd-bd46-4375-8ae0-a670f7cc5e96)

**More Settings**

Convertio supports more setting, please refer to below:&#x20;

![](https://1498491008-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MEaYmgB-urx5wwuYcCa%2Fuploads%2FuCGPVoajbGcEqkYyjX6p%2Fimage%20\(3\).png?alt=media\&token=03f0cde4-bf87-4fb6-b9aa-46609c782726)

![](https://1498491008-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MEaYmgB-urx5wwuYcCa%2Fuploads%2FM56kUe3OOoWmqA0SXt1b%2Fimage%20\(4\).png?alt=media\&token=0a7cbec2-8e35-4b25-8ecd-7b12b4e53be7)

<table><thead><tr><th width="113.625"></th><th width="148.00439453125">Topic</th><th>Description</th></tr></thead><tbody><tr><td>1</td><td>Trim</td><td>Set Start and End Times to Trim the Video</td></tr><tr><td>2</td><td>Resize</td><td>Recommended: Longest Side ≤ 1280, Custom Sizes Allowed</td></tr><tr><td>3</td><td>Frame rate</td><td>Recommended: 30fps; 25fps or Lower Can Be Used to Reduce Video Size</td></tr><tr><td>4</td><td>Bitrate</td><td>Can Be Lowered to Reduce Audio File Size</td></tr><tr><td>5</td><td>Audio Channel</td><td>Can be Set to Mono (1.0) to Reduce File Size</td></tr><tr><td>6</td><td>Frequency</td><td>Recommended : 22050 Hz.</td></tr><tr><td>7</td><td>Volume</td><td>Increase or Decrease Volume</td></tr></tbody></table>

***

#### Recommended Video Conversion Tools

<table><thead><tr><th width="113.69921875">System</th><th>Software</th></tr></thead><tbody><tr><td>macOS</td><td>HandBrake: <a href="https://handbrake.fr/downloads.php">https://handbrake.fr/downloads.php</a></td></tr><tr><td>Windows</td><td>HandBrake: <a href="https://handbrake.fr/downloads.php">https://handbrake.fr/downloads.php</a></td></tr><tr><td>Windows</td><td>ShanaEncoder: <a href="https://shana.pe.kr/shanaencoder_download">https://shana.pe.kr/shanaencoder_download</a></td></tr></tbody></table>

***

### Notes:

**How to Ensure the Video Does Not Contain Completely Black Frames**

Videos recorded directly from a camera typically do not contain fully black frames. Such issues usually occur during post-production or editing.

**Example 1:**&#x20;

<figure><img src="https://1498491008-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MEaYmgB-urx5wwuYcCa%2Fuploads%2FomGZubJ5WKJDhOYnX0u0%2F52-1.jpg?alt=media&#x26;token=ddb3ad9a-7bde-4b8f-86ee-ce46776a5e08" alt=""><figcaption></figcaption></figure>

Avoid using pure black frames during editing. Use your video editing software to trim unnecessary segments.

**Example 2:**&#x20;

<figure><img src="https://1498491008-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MEaYmgB-urx5wwuYcCa%2Fuploads%2FxdHUympGLd9il7K7b4es%2F52-2.jpg?alt=media&#x26;token=6d0107d8-b861-4994-896e-87a6405d97bd" alt=""><figcaption></figcaption></figure>

Precautions when using After Effects (AE).&#x20;

***

#### The operation is not supported

<figure><img src="https://1498491008-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MEaYmgB-urx5wwuYcCa%2Fuploads%2FCe1KmAIjSieC1KQh2Brx%2Fimage.png?alt=media&#x26;token=575420d2-c018-49f9-b34a-544a3d4ab301" alt=""><figcaption></figcaption></figure>

&#x20;The error “The operation is not supported.” usually occurs when:

* The Video Level is higher than 5.2, or
* The Profile is higher than High.

**Best Practices:**&#x20;

* Ensure the Longest Side Does Not Exceed 1920
* Upload your video at "Converted Video".

***

#### Set an Appropriate Resolution

If the video is displayed full-screen, it is recommended to set the short side to 720px.

For half-screen display, adjust according to your actual needs. For example:

* If you want the video width to be half of the screen width, set the source video width to 360px.