Sound Spectrum Pro is a comprehensive audio analysis tool designed for both professionals and enthusiasts in the music and audio industry. This application offers advanced features such as FFT amplitude display, RTA octave analysis down to 1/24 octave, and sound pressure level measurements in dBA, dBC, and dBZ. Users can also measure Noise Criterion and Noise Rating, equivalent continuous sound levels, impulse responses, and THD+N. With its lightning-fast FFT capabilities providing frequency resolutions as precise as 0.01Hz, Sound Spectrum Pro stands out for its accuracy and speed.

The app's interface is user-friendly, featuring numerous on-screen controls that allow for smooth real-time display and easy navigation. It supports a sample rate of 48kHz, various window functions, logarithmic or linear frequency axis adjustments, peak and valley hold with adjustable decay, highest peak display, and exponential smoothing. These functionalities make it an ideal choice for detailed audio analysis and calibration tasks. Whether you're conducting professional sound assessments or exploring personal audio projects, this app provides the tools necessary to achieve precise results.

Sound Spectrum Pro boasts an extensive array of features tailored to meet the needs of audio professionals. One of its standout capabilities is the lightning-fast FFT with sizes ranging from 16k to 1M, delivering unparalleled frequency resolution down to 0.01Hz. The inclusion of multiple window functions, along with options for logarithmic or linear frequency axes, allows users to customize their analysis according to specific requirements. Additionally, the app provides measurement cursors that facilitate setting frequencies for signal generators, enhancing precision during testing.

Another significant feature is the app's support for various types of signal generators including tone, white noise, pink noise, and more. This versatility enables users to perform synchronous measurements and loopback tests efficiently. Furthermore, Sound Spectrum Pro includes file load/save functionality and full calibration capability, ensuring accurate SPL readings every time. Sharing and printing screenshots are also supported, making it convenient to document findings. With no ads disrupting the workflow, users can focus entirely on their audio analysis tasks without distractions.

Sound Spectrum Pro offers an extensive range of audio analysis features that can be considered as a comprehensive music library. With capabilities such as FFT and RTA, it provides users with detailed insights into sound properties.

The app includes multiple signal generators for tones and various types of noise, which vastly expand the breadth of its audio library. This allows users to explore a wide array of sounds, making it an essential tool for audio professionals who require diverse sound options.

Regarding copyright authenticity, while Sound Spectrum Pro doesn't provide traditional music tracks, all the generated signals are original and created within the app. Users can rest assured that any sound produced using the app's tools is authentic and free from copyright issues.

Furthermore, the ability to save and load files ensures that users have a personalized and ever-growing collection of sound profiles. This feature not only enhances the utility of the app but also guarantees that each user's library remains unique and tailored to their specific needs.

Sound Spectrum Pro stands out in the realm of audio quality options by offering advanced settings that cater to audiophiles and professionals alike. The app supports high sample rates of up to 48kHz, ensuring crystal-clear audio analysis when supported by the device.

With its lightning-fast FFT functionality, users can achieve an impressive frequency resolution down to 0.01Hz. This precision enables meticulous examination of audio details, which is crucial for tasks like calibration and THD+N measurements.

The choice of many window functions, alongside logarithmic or linear frequency axis options, provides flexibility in analyzing different types of audio content. These features allow users to fine-tune their experience based on the specific requirements of each project.

Additionally, the peak and valley hold with adjustable decay, highest peak display, and exponential smoothing make certain that transient sounds are captured accurately without losing important data. Such comprehensive control over audio parameters ensures top-notch quality for all analyses performed within the app.