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What are the best practices for capturing high-quality audio using an iPad to record professional-sounding voiceovers?

The iPad's built-in microphone can pick up vibrations from the device itself, so it's essential to use an external microphone to reduce mechanical noise.

The frequency response of the iPad's built-in microphone is limited to 16 kHz, which is not ideal for capturing high-quality audio.

Using a pop filter can reduce plosives (hard consonants like "p" and "b") by up to 20 decibels, resulting in a cleaner recording.

The optimal microphone distance for voiceovers is between 6-12 inches, with a slight tilt to reduce mouth noises.

A soft material like felt or cloth on a music stand can help minimize reflections and reduce echo.

The human ear can detect sounds as low as 20 Hz and as high as 20,000 Hz, making it essential to use high-quality equipment to capture the full frequency range.

The Voice Memos app on the iPad uses a compressive algorithm to normalize audio levels, which can affect the dynamic range of the recording.

Using a directional microphone (like a cardioid or supercardioid) can help reduce background noise and focus on the speaker's voice.

The iPad's processing power can handle 24-bit/48kHz audio, which is suitable for professional audio applications.

A 3 dB increase in audio level is equivalent to a doubling of perceived loudness, so precise gain control is crucial.

Acoustic treatment in the recording space can improve sound quality by reducing reverberation and echo.

The human brain can detect audio anomalies as small as 10 ms, making it essential to use high-quality editing software to fine-tune the recording.

The polar pattern of a microphone affects its sensitivity to sound waves, with omnidirectional mics being more sensitive to ambient noise.

Using a digital audio workstation (DAW) like Final Cut Pro can provide more precise control over audio editing and mixing.

The iPad's touchscreen can introduce electromagnetic interference (EMI) into the audio signal, which can be reduced by using a shielded cable or a audio interface.

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