2 Hours of 4K/HD 1kHz Reference Tone
Автор: Matthew Winfree
Загружено: 2016-11-17
Просмотров: 8846
Описание:
A reference tone is a pure tone corresponding to a known frequency, and produced at a stable sound pressure level (volume), usually by specialized equipment for facilitating measurements and for aligning gains and losses of a system. The most common reference tone in audio engineering is a 1000 Hz tone. It is meant to be used by audio engineers in order to adjust the playback equipment so that the accompanying media is at a comfortable volume for the audience. In video production, this tone is usually accompanied by a test card so the video programming may be calibrated as well.
2 hours
Audio Bit Depth - 24 bit
Audio Sample Rate - 96kHz
Audio Bit Rate - 512kbps
Audio Channels - 2 stereo
Sony AVC AAC MP4
0-30 minutes -12dB
30-60 minutes -6dB
60-90 minutes -3dB
90-110 minutes -1.5dB
110-120 minutes -0dB
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