3/16/2023 0 Comments Keyclick soundIf the quality of your recording is important, record at the same sampling rate as the source media and adjust the sampling rate down incrementally with Sound Editor to save storage space. Once you have recorded at a low sampling rate, you cannot recover the original signal. The workstation automatically locks to that rate. For example, a CD player with a digital output jack sends information at 44.1 kHz. When recording digital input, the sampling rate is determined by the source of the sound. Using audio data compression is a better way to save disk space than recording audio at low sampling rates. For example, a five minute, 16-bit stereo, 44.1 kHz AIFF file requires approximately 53 megabytes of storage. Higher sampling rates yield better recordings but require more disk space. Recordings made at an 8 kHz sampling rate will be muffled, while recordings made at a higher sampling rate will be clearer. For example, the highest frequency in a telephone signal can be 4 kHz because the sampling rate is 8 kHz. The highest frequency in your recording may be half the sampling rate. Compact discs use a 44.1 kHz sampling rate, which is necessary for music-quality sound. Telephones use an 8 kHz (kilohertz) sampling rate, which is adequate for voice-quality audio. The sampling rate determines the rate at which samples are taken from the analog signal and sets the upper limit on the high frequency content of your recording.Ĭhoosing the appropriate sampling rate for the audio you are recording helps prevent distortion in your recording. When an audio signal comes into your workstation, the workstation converts it from analog to digital.
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