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Turtle Beach Audio Advantage SRM Review

Former staff writer    -   March 9, 2007


Testing:


You Me and Dupree (DVD Movie):

On occasion, I do like to watch movies on my computer; I can close the door and not worry about the volume being too loud. I can just sit on the couch, kick my legs up, relax, laugh and not let any worries bother me for an hour or two.


Realtek AC97:

Speakers:

I tried to duplicate the same settings between both sound cards, enabling the equalizer, setting 5.1 surround, setting my environment to a medium room and setting the effects to theater. Well, the sound was flat using the Realtek AC97. In order for me to actually feel the sound, I had to rearrange my speakers so that they were closer to me, in order to get close to how it feels to be in an actual theater. The sound did not encompass the room.


Headphones:

As with gaming, it was better, but something was still missing. Could the sound card be bad, or is it the quality of the sound being output?


Turtle Beach Audio Advantage SRM:

Speakers:

The sound filled the room and my body shook when something dropped - I could feel the movie. I enjoyed just sitting there and relaxing. I noticed I wasn’t leaning forward just to try to put myself in the path of the sound waves.


Headphones:

Can you say dizzy? Well, not really, but with the headphones on, you are taking full advantage of the SRM. I felt enclosed, in a sense. The sound came out of the speakers as intended - if something happened behind someone in the movie, the rear speakers were where the sound was coming from. With so many different sounds coming from different areas, I almost felt dizzy until I got used to it.


RightMark Audio Analyzer 5.5:

Right Mark is a benchmark program used to test sound.

"RMAA suite is designed for testing quality of analog and digital paths of any audio devices, be it a sound card, an MP3 player, a consumer CD/DVD player or an acoustic set. The results are obtained by playing and recording test signals passed through the tested audio path by means of frequency analysis algorithms."

In the screen shots that I will supply you will see different names used as in crosstalk or frequency response. Below I will supply some definitions to help understand what it all means.


Frequency response is the measure of any system's response at the output to a signal of varying frequency (but constant amplitude) at its input. It is usually referred to in connection with electronic amplifiers, loudspeakers and similar systems. The frequency response is typically characterized by the magnitude of the system's response, measured in dB, and the phase, measured in radians, versus frequency. The frequency response of a system can be measured by:

  • applying an impulse to the system and measuring its response (see impulse response)

  •  sweeping a constant-amplitude pure tone through the bandwidth of interest and measuring the output level and phase shift relative to the input

  •  applying a signal with a wide frequency spectrum (e.g., maximum length sequence, white noise, or pink noise), and calculating the impulse response by deconvolution of this input signal and the output signal of the system.
Once a frequency response has been measured (e.g., as an impulse response), providing the system is linear and time-invariant, its characteristic can be approximated with arbitrary accuracy by a digital filter. Similarly, if a system is demonstrated to have a poor frequency response, a digital or analog filter can be applied to the signals prior to their reproduction to compensate for these deficiencies.

Frequency response curves are often used to indicate the accuracy of amplifiers and speakers for reproducing audio. As an example, a high fidelity amplifier may be said to have a frequency response of 20 Hz - 20,000 kHz ±1 dB. This means that the system amplifies all frequencies within that range within the limits quoted. 'Good frequency response' therefore does not guarantee a specific fidelity, but only indicates that a piece of equipment meets the basic frequency response requirements.

Dynamic range is a term used frequently in numerous fields to describe the ratio between the smallest and largest possible values of a changeable quantity. Audio engineers often use dynamic range to describe the ratio of the loudest possible undistorted sound to the quietest or to the noise level, say of a microphone or loudspeaker. In digital audio, the maximum possible dynamic range is given by the bit resolution (see signal-to-noise ratio). Dynamic range of an audio device is also sometimes referred to as the dynamic window.

Signal-to-noise ratio (often abbreviated SNR or S/N) is an electrical engineering concept defined as the ratio of a signal power to the noise power corrupting the signal.

The total harmonic distortion, or THD, of a signal is a measurement of the harmonic distortion present and is defined as the ratio of the sum of the powers of all harmonic components to the power of the fundamental.

Crosstalk (XT) has the following meanings:

  • Undesired capacitive, inductive, or conductive coupling from one circuit, part of a circuit, or channel, to another.

  •  Any phenomenon by which a signal transmitted on one circuit or channel of a transmission system creates an undesired effect in another circuit or channel.

  •  In a recording setting, the term "crosstalk" can refer to the leakage (or "bleeding") of sound from one instrument into a microphone placed in front of another musical instrument or singer. A common example is the leakage of the high-pitched, heavily-amplified sound of the lead guitar into the microphones for other instruments.


Now that that is out of the way lets take a look at the results of the test. To the left are the results for the Turtle Beach Audio Advantage SRM on the right are the results of the Realtek AC97. The results I achieved are either equal to or close to the technical specifications that Turtle Beach achieved themselves.

 

 




  1. Introduction & Closer Look
  2. Closer Look Continued
  3. Installation and Configuration
  4. Configuration Continued
  5. Specifications and Features
  6. Testing
  7. Testing Continued
  8. Testing & Conclusion
Random Pic
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