AMU2481 Audio Mixer
#audio mixer
#AGC circuitry
#Spatializer
#surround sound
#signal processing
#power amplifier
#mobile applications
#3D audio
Description: The AN12974A Audio Power Amplifier features built-in Automatic Gain Control (AGC) circuitry and Spatializer technology. Spatializer is an exclusive signal processing technology from Desper Products, Inc. that generates surround sound for low-power mobile applications. This technology is based on the company's commercial 3D Audio production system, the PRO-Spatializer Audio Production System. The AN12974A integrated circuit (IC) utilizes the same innovative technology to enhance audio output for devices with closely positioned speakers, such as headphones and cellular phones, thereby expanding the sound field for a more spacious auditory experience.
The AN12974A Audio Power Amplifier is designed to deliver high-quality audio performance in compact mobile devices. The built-in Automatic Gain Control (AGC) circuitry automatically adjusts the gain of the audio signal to maintain a consistent output level, preventing distortion during dynamic audio playback. This feature is particularly beneficial in mobile applications where varying sound levels can occur, ensuring a smooth listening experience without abrupt changes in volume.
The Spatializer technology integrated into the AN12974A creates an immersive surround sound experience, which is particularly advantageous for small devices with limited speaker placement options. By simulating a three-dimensional audio environment, the amplifier enhances the perception of sound depth and directionality, making it ideal for applications such as headphones and mobile phones. This technology draws from the PRO-Spatializer Audio Production System, which is recognized for its effectiveness in producing a rich soundscape in confined spaces.
The AN12974A is well-suited for modern electronic devices where space is at a premium, yet high-quality audio output is essential. Its ability to enhance audio performance while maintaining low power consumption makes it an excellent choice for portable applications. Overall, the AN12974A Audio Power Amplifier represents a significant advancement in audio amplification technology, providing users with an enriched listening experience in a compact form factor.The AN12974A Audio Power Amplifier features built-in AGC circuitry and Spatializer environ, . , The Spatializer environ, is Desper Products, Inc. `s exclusive signal processing technology that is able to generate surround sound for low-power mobile applications. The technology is based on the companys cmmercial 3D Audio production system, PRO-, , S patializer Audio Production System. The AN12974A IC employs the same innovative technology of the PRO-Spatializer Audio Production System to enhance sound for products with close proximity speakers such as those on Headphones and cellular phones to expand the soundfield for a much more spacious sound. By Panasonic USA
The AN12974A Audio Power Amplifier is designed to deliver high-quality audio performance in compact mobile devices. The built-in Automatic Gain Control (AGC) circuitry automatically adjusts the gain of the audio signal to maintain a consistent output level, preventing distortion during dynamic audio playback. This feature is particularly beneficial in mobile applications where varying sound levels can occur, ensuring a smooth listening experience without abrupt changes in volume.
The Spatializer technology integrated into the AN12974A creates an immersive surround sound experience, which is particularly advantageous for small devices with limited speaker placement options. By simulating a three-dimensional audio environment, the amplifier enhances the perception of sound depth and directionality, making it ideal for applications such as headphones and mobile phones. This technology draws from the PRO-Spatializer Audio Production System, which is recognized for its effectiveness in producing a rich soundscape in confined spaces.
The AN12974A is well-suited for modern electronic devices where space is at a premium, yet high-quality audio output is essential. Its ability to enhance audio performance while maintaining low power consumption makes it an excellent choice for portable applications. Overall, the AN12974A Audio Power Amplifier represents a significant advancement in audio amplification technology, providing users with an enriched listening experience in a compact form factor.The AN12974A Audio Power Amplifier features built-in AGC circuitry and Spatializer environ, . , The Spatializer environ, is Desper Products, Inc. `s exclusive signal processing technology that is able to generate surround sound for low-power mobile applications. The technology is based on the companys cmmercial 3D Audio production system, PRO-, , S patializer Audio Production System. The AN12974A IC employs the same innovative technology of the PRO-Spatializer Audio Production System to enhance sound for products with close proximity speakers such as those on Headphones and cellular phones to expand the soundfield for a much more spacious sound. By Panasonic USA
Power Amplifier OCL 40W by 2N3055+MJ2955
The 40W OCL amplifier using the 2N3055 and MJ2955 transistors is simple to construct and cost-effective. It requires a power supply of +35V and -35V with a current rating of 2A. The transistors 2N3055 and MJ2955 must be mounted on...
2 INPUT AUDIO MIXER with 2N3904
The mixer consists of two transistor-based preamplifiers. The first one, designated as "Mike," provides high gain and is designed to work effectively with a standard dynamic microphone. The second preamplifier can be used to control audio input from a tape...
Simple Surround Sound Decoder
This surround-sound decoder is based on the "Hafler" principle, first discovered by David Hafler sometime in the early 1970s. The original idea was to connect a pair of speakers as shown in Figure 1, for use as the rear speakers...
Power Amplifier 6
This simple circuit is designed to provide an output power of approximately 1 watt when connected to a 9-volt power supply. The key advantage of this circuit is its use of a dual Darlington configuration, which increases the input impedance...
50 Watt Power Amplifier
The supply voltage should be about +/- 35 Volts at full load, which will let this little guy provide a maximum of 56 Watts (rated minimum output at 25 degrees C). To enable maximum power, it is important to get...
Distortion In Power Amplifiers
The distortion produced by a typical solid-state Class-B power amplifier consists of eight mechanisms, all of which may coexist and whose distortion products overlap to create a complex result. Methods for isolating each mechanism for study and minimizing its contribution...
KIA7217AP 5.8W AUDIO POWER AMPLIFIER. CAR STEREO CAR RADIO OUTPUT
The UTC L2572 is a wideband PLL FM demodulator designed primarily for use in satellite tuners. It incorporates all essential components, except for the loop feedback elements, to create a complete PLL system capable of operating at frequencies up to...
APH-1050 Power Amplifier
If 40 watts RMS from 20Hz to 30KHz +/-1.5 dB is appealing, this experiment may be of interest. A significant issue with public address equipment is the use of audio output transformers that lack sufficient iron to manage lower frequency...
Audio Mixer Circuit
The circuit schematic below represents a method for designing an audio mixer. The active component is an LM318, although any operational amplifier could be used in its place. The circuit is a classic design for an operational amplifier summing amplifier....