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How do I record a screen demo on my iPhone?

The iPhone's built-in Voice Memos app uses the device's internal microphone, which is capable of capturing audio frequencies between 100 Hz to 8000 Hz, covering the human audible range.

When recording audio with Voice Memos, the app visually represents audio levels as you record, utilizing the iPhone's built-in accelerometer to detect sound waves.

The iPhone's Screen Recording feature uses the H.264 video codec, a high-compression format ideal for screen recordings, and AAC-LC (Advanced Audio Coding - Low Complexity) for audio encoding.

When enabling Screen Recording, the iPhone captures the screen at a resolution of up to 1080p (1920x1080 pixels) at 60 frames per second.

The Screen Recording feature also captures audio from the device's built-in microphone, which has a frequency response of 100 Hz to 8000 Hz, sufficient for capturing human voice and ambient sounds.

When you start a screen recording, the iPhone briefly flashes the screen and displays a countdown timer, allowing you to prepare before recording begins.

The iPhone's A14 Bionic chip and later models have a dedicated hardware-accelerated encoder, which reduces the processing load and heat generated during screen recording.

Screen recordings are stored in the "Media" folder within the "Files" app on your iPhone, where you can access and manage them.

The iPhone's Screen Recording feature can be controlled via the Control Center, allowing you to easily start and stop recordings.

When recording a screen demo, the iPhone can continue to capture audio even when you navigate to other apps, as long as the apps don't play audio themselves.

The iPhone's Voice Memos app allows you to edit and rename recorded audio files, making it convenient for post-recording processing.

By default, the Voice Memos app saves recordings in a lossy, compressed format, but you can export them in various formats and sizes for further use.

When you enable iCloud syncing for Voice Memos, your recordings are uploaded to Apple's servers, allowing you to access them across all your Apple devices.

The iPhone's screen recording feature is compatible with AirDrop, allowing you to quickly share recordings with other nearby devices.

To improve audio quality, consider using an external microphone, like the Blue Raspberry, which can connect directly to your iPhone and reduce background noise.

The iPhone's screen recording feature is also compatible with third-party apps, allowing you to customize your recording experience.

You can use the built-in "Files" app on your iPhone to organize and manage your screen recordings, as well as export them to other devices or cloud storage services.

When recording audio with Voice Memos, the iPhone's built-in accelerometer can detect hand movements, allowing you to use gestures to control the recording.

The Voice Memos app can automatically detect loud sounds and adjust the recording level to prevent distortion, ensuring high-quality audio captures.

The iPhone's Screen Recording feature is optimized for battery life, using hardware-accelerated encoding to minimize power consumption during recording sessions.

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