There can be several reasons why a recorded voice may sound low-pitched or deep. Here are a few possible explanations:
Microphone Placement: If the microphone is placed too far from the sound source or if it is positioned incorrectly, it can capture a lower frequency range and make the voice sound deeper. Proper microphone positioning and technique are important to capture the intended sound accurately.
Recording Equipment: The quality and characteristics of the recording equipment, including the microphone and audio interface, can affect the recorded sound. Lower-quality or poorly calibrated equipment may introduce frequency response issues or alter the sound, resulting in a lower-pitched voice.
Recording Environment: The acoustic properties of the recording environment can impact the recorded sound. Rooms with poor sound insulation or excessive reverberation can affect the frequency response and make the voice sound deeper or more resonant.
Pitch Shifting: It's also possible that the audio recording has been intentionally pitch-shifted or modified during the editing process. Pitch shifting can be used for artistic purposes or to correct pitch-related issues, but if not applied correctly, it can result in a noticeably altered voice.
Natural Voice Characteristics: Some individuals naturally have a lower-pitched voice due to their physical attributes, such as the size and shape of their vocal cords. This can be a personal characteristic and may not necessarily be related to the recording process.
To ensure accurate and natural-sounding voice recordings, it's important to use high-quality recording equipment, pay attention to microphone placement and technique, choose suitable recording environments, and avoid unnecessary pitch-shifting or manipulation during editing.