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⅓ Octave Band Noise – Left Channel - No Artist - Denon Technical Test Record (Vinyl, LP)


1976
Label: Denon - XG-7001 • Format: Vinyl LP • Country: Japan • Genre: Non-Music • Style: Technical
⅓ Octave Band Noise – Left Channel - No Artist - Denon Technical Test Record (Vinyl, LP)

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The octave and the 1/3 octave band frequencies. Related Topics. Acoustics - Room acoustics and acoustic properties - decibel A, B and C - Noise Rating (NR) curves, sound transmission, sound pressure, sound intensity and sound attenuation; Related Documents. Decibel A, B and C - Sound pressure filters compensating for hearing sensed by the human ear.; Fans - generated Noise Power - The sound.

 · An octave band is a frequency band where the highest frequency is twice the lowest frequency. For example, an octave filter with a centre frequency of 1kHz has a lower frequency of Hz and an upper frequency of kHz. Any frequencies below and above these limits are rejected. A third octave has a width of 1/3 of that of an octave band.

1 Center Frequencies and High/Low Frequency Limits for Octave Bands, 1/2- and 1/3-Octave Bands Octave Bands: The audio spectrum from ~ 20 Hz to ~ 20 KHz can be divided up into ~ 11 octave bands. If we set/define the 7th octave band’s center frequency to be 7 f ctr Hz, then all lower center frequencies for octave bands can be defined from each other using the formula 1 2.

For an analysis length of L, or time T = L / V, the bandwidth of the narrow-band spectrum is B = 1/ T giving a BT product of 1. Thus, normally, narrow-band spectra are determined using an average over a number of samples. For a one-third octave band containing N narrow-band lines, the bandwidth is approximately N / T giving a BT product of N.


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3 Replies to "⅓ Octave Band Noise – Left Channel - No Artist - Denon Technical Test Record (Vinyl, LP)"

  1. ⅓ Octave Band Noise Left Channel: B2: ⅓ Octave Band Noise Right Channel: B3: Flat Zone (Inside Force Test Zone) B4: Phasing: B5: Reference Level Left Channel: B6: Reference Level Right Channel: B7: Non-Modulated Groove: XL Characteristics Of Musical Sound And Music On The Recording Side (Recorded In Non-Distortion Cutting) C1 4/5(1).

  2. Right Channel: A5: Wow And Flutter Measurement: B1: ⅓ Octave Band Noise - Left Channel: B2: ⅓ Octave Band Noise - Right Channel: B3: Flat Zone (Inside Force Test Zone) B4: Phasing: B5: Reference Level - Left Channel: B6: Reference Level - Right Channel: B7: Non-Modulated Groove: XL C1: Musical Instruments: C2: Microphones: C3 Offer Count: 5.

  3. ⅓ Octave Band Noise Left Channel: B2: ⅓ Octave Band Noise Right Channel: B3: Flat Zone (Inside Force Test Zone) B4: Phasing: B5: Reference Level Left Channel: B6: Reference Level Right Channel: B7: Non-Modulated Groove: XL Characteristics Of Musical Sound And Music On The Recording Side (Recorded In Non-Distortion Cutting) C1.

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