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Higher Speed Duplication of Eight-Track Tapes with Enhanced Dynamic Range

 

Adapting Stereo Tape to the Automotive Environment

 

Design Considerations of a New Continuous Tape Cartridge System

 

An 8-Track Stereo Cartridge for Automotive Use

 

The Compact-Cassette System for Audio Tape Recorders

 

Some Design Considerations of the 8-Track Endless Loop Magnetic Tape Cartridge and Player

 

Design Considerations for Magnetic Tape Used on Continuous Loop Cartridges

 

A Digital Computer for the Electronic Music Studio

 

A Self-Checking Audiometer

 

A Portable Transistorized Mixing Console for the Record Industry

 

Transistor Microphone Small Signal h Parameters

 

Two Noise Cancelling Microphones for Aircraft Use

 

An Anechoic Chamber with Blanket Wedge Construction

 

Automotive Eight-Track Stereo Tape Players

 

A Repeatable Technique for Listening Tests

 

A Convenient Magnetic Tape Degausser

 

High Frequency Intermodulation Testing of Stereo Phonograph Pickups

 

On the Measurement of Rumble in Phonograph Reproduction

 

Audibility of Tape Dropouts

 

Tape Reproducer Response Measurements with a Reproducer Test Tape

 

Reproducer Test Tapes, Their Evolution and Manufacture

 

A Low-Noise Two-Wire Condenser Microphone Preamplifier

 

A Record-Level Indicator for Repetitive Transients

 

A High-Speed Transient Analyzer

 

Time Delay Units for Sound Reinforcement Systems

 

Improving the Reliability of Sound Systems

 

The Germanium Planar FET-A New Device for Radio Applications

 

Measurements of the Phase of the Stereophonic Subcarrier in FM Stereophonic Transmission

 

Theoretical and Practical Considerations in the Equalization of Sound Systems

 

A Transistorized Amplifier for a Condenser Microphone

 

Some Examples of Sound-System Correction of Acoustically-Difficult Rooms

 

Absolute Flux and Frequency Response Characteristics in Magnetic Recording: Measurements, Definitions, and Standardization

 

Design Evolution of a FET Condenser Microphone System

 

Score-Drawing Program

 

A Comprehensive Sound Measurement Console

 

An Ultra-Low Distortion Direct-Current Amplifier

 

A Practical Ear Enclosure with Selectively Coupled Volume

 

Linear Microelectronics in the Implementation of Audio Control Functions

 

A VOX System for Operation at High and Variable Ambient Levels

 

Audio in a Video World

 

Development of a Tab for Eight-Track Splicing and Sensing

 

Tone Generation with Multiple Synchronous and Non-Synchronous RC Oscillators

 

Acoustical Measurements by Time Delay Spectrometry

 

An Audio Noise Reduction System

 

Factors Affecting the Needle/Groove Relationship in Phonograph Playback Systems

 

Survey of Methods for Measuring Speech Quality

 

A Comparison of Two Types of Digitized Autocorrelation Vocoders

 

Information Content of a Sound Spectrogram

 

A Limited-Vocabulary Adaptive Speech-Recognition System

 

Directional Microphones

 

A New Concert Violin

 

Miniature Audio Amplifiers

 

Sensitivity of Phonograph Turntables to Normal Loads

 

Operating Levels in the Duplication of Philips Cassette Records