238000006011 modification reaction Methods 0.000 description 2. 230000005540 biological transmission Effects 0.000 description 4. 230000005236 sound signal Effects 0.000 abstract description 4. 239000002131 composite material Substances 0.000 abstract description 4. 238000001228 spectrum Methods 0.000 abstract description 7. 230000000875 corresponding Effects 0.000 claims description 3. 238000001914 filtration Methods 0.000 claims description 6. 230000001276 controlling effect Effects 0.000 claims description 8. 230000003595 spectral Effects 0.000 title claims description 81. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by UNITED RECORDING ELECTRONIC filed Critical UNITED RECORDING ELECTRONIC Priority to US11845471A priority Critical Application granted granted Critical Publication of US3732370A publication Critical patent/US3732370A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee UNITED RECORDING ELECTRONIC Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US00118454A Inventor J Sacks Current Assignee (The listed assignees may be inaccurate. #Spectral comb sound reference signals pdf
Google Patents Equalizer utilizing a comb of spectral frequencies as the test signalĭownload PDF Info Publication number US3732370A US3732370A US00118454A US3732370DA US3732370A US 3732370 A US3732370 A US 3732370A US 00118454 A US00118454 A US 00118454A US 3732370D A US3732370D A US 3732370DA US 3732370 A US3732370 A US 3732370A Authority US United States Prior art keywords filters comb filter frequencies spectral Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
Google Patents US3732370A - Equalizer utilizing a comb of spectral frequencies as the test signal US3732370A - Equalizer utilizing a comb of spectral frequencies as the test signal
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