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2. Stereophonic sound - Wikipedia

   en.wikipedia.org/wiki/Stereophonic_sound

   The inset shows the electronic simulation. Notably, such electronic systems require more than one speaker. Time difference in a stereophonic recording of a car going past. Stereophonic sound, or more commonly stereo, is a method of sound reproduction that recreates a multi-directional, 3-dimensional audible perspective.

3. History of sound recording - Wikipedia

   en.wikipedia.org/wiki/History_of_sound_recording

   Ring-and-spring microphones, such as this Western Electric microphone, were common during the electrical age of sound recording c. 1925–45.. The 'second wave' of sound recording history was ushered in by the introduction of Western Electric's integrated system of electrical microphones, electronic signal amplifiers and electromechanical recorders, which was adopted by major US record labels ...

4. Sound recording and reproduction - Wikipedia

   en.wikipedia.org/wiki/Sound_recording_and...

   Sound recording and reproduction is the electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of sound recording technology are analog recording and digital recording . Acoustic analog recording is achieved by a ...

5. Timeline of audio formats - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_audio_formats

   Timeline of audio formats. An audio format is a medium for sound recording and reproduction. The term is applied to both the physical recording media and the recording formats of the audio content —in computer science it is often limited to the audio file format, but its wider use usually refers to the physical method used to store the data.

6. High fidelity - Wikipedia

   en.wikipedia.org/wiki/High_fidelity

   High fidelity. Hi-fi speakers are a key component of quality audio reproduction. High fidelity (often shortened to Hi-Fi or HiFi) is the high-quality reproduction of sound. [1] It is popular with audiophiles and home audio enthusiasts. Ideally, high-fidelity equipment has inaudible noise and distortion, and a flat (neutral, uncolored) frequency ...

7. A whole new slate of audio electronics from Sony in 2012

   www.engadget.com/2012-01-09-a-whole-new-slate-of...

   The new flagship BDV-N890W Home Theater System packs full HD 1080p Blu-ray Disc system with 5.1 channel -1000 watt sound and built-in Wi-Fi (802.11n) into a strikingly designed housing, completed ...