The RACE algorithm performs cross-talk cancellation between the left and right channels of a stereo audio source. This effect is known as crosstalk, which when too strong, can lead to discomfort and even create a fatigue that makes you want to stop listening to the music, as well as a lack of clarity in the acoustic rendition. The RACE algorithm is based on the principles of Ambiphonics, a technology designed to overcome the disadvantages of stereo playback and generate a more precise and natural ambiophonics playback.
The AMTRA application has a powerful and versatile audio engine that can convert a stereo audio file to a full ambiophonics version. The RACE algorithm is responsible for improving the overall sound quality and avoiding artifacts, such as comb filter or surround distortion. The AMTRA app has a user-friendly interface where you can adjust the cross-talk cancellation algorithm parameters, such as the attenuation level and the time delay.
AMTRA is an easy-to-use application that enables you to convert stereo audio files into direct ambiophonics, allowing you to enjoy more immersive playback of your music. The 64-bit audio engine of the app helps to avoid comb filter distortion and other issues related to the conventional format.Lester Leroy Russell
Lester Leroy Russell (October 19, 1893 – October 4, 1960) was an American printmaker, typographer, painter, and illustrator.
He was born in Brooklyn, New York, on October 19, 1893. He attended the Pratt Institute, the Art Students League, the Chicago Art Institute, the Bauhaus in Germany, and the Ecole de Bruxelles. He taught printmaking at various colleges including the Hartford Art School, the Syracuse University, the National Academy of Design, and the Art Students League in New York. He spent the summers in Providence, R.I. in the 1930s.
Russell had his most successful career in the magazine industry during the late 1920s and 1930s. He worked with Collier's magazine and Harper's Weekly, and designed numerous covers and book covers for Scribner's, Harper and Row, and Funk & Wagnalls. He was also a cover artist for Time, The Atlantic, The New Yorker, Life, and several other periodicals.
• The KEYMACRO is an AMbiophonics mastering tool with the ability to cross-talk elimination. It allows users to perform many cross-talk elimination effects with the effective audio processing algorithms, such as over recording, cross-talk crosstalk, beam, suppression and so on.
• It comes with a USB interface, recording function, cross-talk elimination function, and playback mode.
• The KEYMACRO is USB-powered, with a user-friendly user interface and flexible functions. It also supports a wide variety of audio file formats and can be used with any external soundcard.
• It can be used to analyze and adjust stereo mixing and production on the computer. It works with any DAC via its input and output terminals.
• It can support multi-track recording and MIDI recording.
• It supports audio file formats such as WAV, MP3, FLAC, ALAC, WMA, AAC, OGG, and so on.
• It can operate with any PC with a USB-2.0 port or above.
• It uses separate input and output recording ports. It can handle the cross-talk elimination effect during record.
• It is very easy to use, just connect the device to a USB port, open the software, adjust the setting and adjust the parameters.
• You can cut, edit and adjust volume, pan, and cross-talk elimination effect in the real-time monitor with the Windows Explorer, Windows Explorer tab, or process the audio file under Winamp, Audacity, etc.
• KEYMACRO supports 16-bit, 24-bit and 32-bit input and output. It can be used with an external USB DAC.
• The high-quality sound can be adjusted to the level and frequency of your choice by using the 16-step frequency curve display function.
• The built-in software level meter allows you to monitor the input audio level of the USB DAC, and it can also be used to monitor the USB output audio.
• The key benefit of this device is that it contains a power-saving design to save power during off-time. It can operate for about 7 days on a single charge.
• The device automatically turns off power when there is no use.
• It supports USB output and can be used with any computer with USB-2.0 or above.
• You can install the USB power adaptor and connect it to the computer for a direct power
In addition to converting between a stereo source and ambiophonics, Ambiophonics TRAnscoder can apply ambiophonic features to any of its supported audio files and convert them to ambiophonics. It can do this by using advanced crosstalk-based AMB elimination techniques.
Use Recursive Ambiophonics Crosstalk Elimination (RACE) algorithms to get rid of crosstalk and make ambiophonics use.
The default settings are for a 20° speaker layout
Convert stereo, mono and ambiophonics files to WAV, AIFF, FLAC, ALAC and DSD
Output settings for WAV, AIFF and FLAC files
Default center value of 5% for mono files
Ambiophonics is an emerging phenomenon of applying multiple recorded instruments to each loudspeaker to extend the stereo image. It is the natural result of the desire for the listener to be able to perceive an extended and accurate representation of the recording at all times.
*Requires Mac OS X 10.9 or later. All are required for the Mac audio and MIDI interfaces for ambiophonics to function.
Produce ambiophonics audio files
Choose between Mono and Ambisonics output
Select the desired audio playback type
Choose from different speaker setups
Convert in batch using AMTRA or M-Transcoder
AMTRA is a sample rate and bit-depth independent audio converter which allows you to export from almost any audio format to the sample rate and bit depth of the AMTRA audio player on Mac and Windows. M-Transcoder is a sample rate independent audio converter which allows you to convert any audio format to M-Transcoder's internal format and export to almost any supported audio format. You can use AMTRA and M-Transcoder in either GUI or command line mode and they provide extensive information about the process, such as the time it takes to complete the operation, the results of the operation, and where the new files will be saved.
AMTRA is a sample rate and bit depth independent audio converter which allows you to export from almost any audio format to the sample rate and bit depth of the AMTRA audio player on Mac and Windows. M-Transcoder is a sample rate independent audio converter which allows you to convert any audio format to M
Convert stereo version audio files and enable ambiophonics playback.
Based on the Recursive Ambiophonics Crosstalk Elimination (RACE) algorithm, ambiophonics playback aims to obtain an enhanced listening experience, where each instrument of the acoustic stage of a song can be clearly identified.
AMTRA is an AMbiophonics TRAnscoder that makes use of a powerful 64-bit audio processing engine to convert stereo version audio files and enable ambiophonics playback.
Unlike stereo, ambiophonics allows the removal of comb filter effects, making the center representation a lot more stable and generating more precise and clear acoustics. Based on the Recursive Ambiophonics Crosstalk Elimination (RACE) algorithm, ambiophonics playback aims to obtain an enhanced listening experience, where each instrument of the acoustic stage of a song can be clearly identified.
Load input files and adjust RACE parameters
The AMTRA application can process a large number of audio files in batch, providing compatibility with some of the most popular audio formats out there, namely MP3, WAV, FLAC, AIFF, ALAC, and DSD. It accepts sample rates between 44.1 kHz and 384kHz and supports bit depths of 16, 24 and 32Bit.
Once the input files are loaded, you can start tampering with the parameters of the RACE algorithm. The built-in audio player enables you to listen to music while making the necessary adjustments. The default configuration is designed for a 20 ° speaker layout, which is specific to the ambiophonics playback. In other words, you will have to take into consideration your speaker setup to obtain the best results with AMTRA.
Make the necessary adjustments to match your speaker setup
There are three main parameters you must configure. The first is the RACE attenuation, which in fact defines the extent of cross-talk elimination from the right speaker to the left ear and vice-versa. The developers recommend a value of 2.3dB in most cases.
Next, the delay configures the time interval in microseconds between two consecutive cross-talk cancellation signals. Last but not least, the center parameter defines the level of mono sharing.
As for the output, AMTRA comes with support for WAV, AIFF and FLAC files, allowing you to adjust the compression level and configure a name pattern that can clearly identify the parameters of the audio file.
Convert stereophonic audio to ambiophonics
AMTRA is an interesting choice for those who want to experiment with direct ambiophonics playback and create a more vivid version of their stereophonic songs. It is easy to use and comes with just a few options to deal with, which improves the overall user experience.
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OS: Microsoft Windows 7
Processor: Intel Core i5 or AMD Athlon II X4 640
Memory: 6 GB RAM
Graphics: 256 MB video RAM
DirectX: Version 9.0c
Network: Broadband Internet connection
Storage: 3 GB available space
Sound Card: DirectX 9.0c-compliant sound card
Additional Notes: Camera required to play the game
Processor: Intel Core i
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