What is this BS 4847 - Speed fluctuations in sound recording and reproducing equipment about?
BS 4847 discusses the method of measurement of speed fluctuations in sound recording and reproducing equipment. BS 4847 applies to a method of measurement using the weighted peak technique. BS 4847 gives explanatory notes concerning flutter and wow measurement as well as details of the measuring equipment.
Who is BS 4847 - Speed fluctuations in sound recording and reproducing equipment fluctuations for?
BS 4847 on the method of measurement of speed fluctuations is useful for:
- Audio system manufacturers
- Communication device manufacturers
- Acoustic foam and pads manufacturers
- Audio technicians
- Audio equipment companies
Why should you use BS 4847 - Speed fluctuations in sound recording and reproducing equipment?
Tapes are often edited after recording so that the location of a given section of the tape within the tape spool is changed. When drift occurs, sections of tape that have been recorded with different speeds may be edited together. In this case, a sudden change in pitch will occur in reproduction, which can be especially disturbing in the musical recording.
BS 4847 provides a measurement of particular importance when a non-synchronous (e.g., friction) drive is used, for example with tapes without perforations. BS 4847 discusses the measurement of flutter and wow, measuring equipment and methods, additional requirements for measuring equipment, and explanatory notes.
In conclusion, by helping you measure the speed fluctuations in sound recording and reproducing equipment BS 4847 helps you enhance their sound quality.