Excellent vu le prix. Mérite un bon micro large bande externe pour un meilleur résultat. Ne pas confondre avec du matériel de mesures en labo, mais permet déjà de bien dégrossir.
Estimation application downloads and cost
Description
Pocket RTA is a highly portable award winning real-time spectrum analyser for the iPhone.
Pocket RTA has many advanced features which are normally only found in much more expensive sound analysis software, providing fast and accurate spectrum analysis suitable for both amateur hi-fi enthusiasts and professional A/V engineers. Uses include system calibration, monitoring of noise levels and testing of audio equipment.
PocketRTA samples sounds using either internal or external microphones and then applies a Fourier Transform to the samples to obtain a frequency spectrum. The result is an accurate representation of the sampled sound broken down into its frequency components.
Various display modes include, linear narrow band, logarithmic narrow band, Octave, 1/3 Octave, Oscilloscope, SPL and Spectrogram displays with ANSI A and C weighting curves. Use the iPhones multi-touch interface to perform real-time magnification of displays. The touch screen allows selection of the nearest FFT point giving a display of its frequency and decibel level. Up to 16 times oversampling allow more stable readings for fluctuating or unstable input signals whilst our unique noise cancellation system allows you to remove unwanted background noise.
PocketRTA features the ability to calibrate the display using a 1/3 Octave display in order to compensate for imperfections in frequency response of both internal and external microphones. The program automatically detects and switches between both sets of calibration data.
Pocket RTA has the ability to capture up to 3 input signals and overlay them as a reference over live input. All display modes allow exporting of graphed data to the camera roll in JPEG format. These images can then by synced to your desktop PC for better analysis.
Features
========
-Automatic Tilt Control for Portrait / Landscape displays.
-44.1KHz sampling rate for up to 22KHz measurements.
-Definable FFT frame sizes.
-Standard ANSI/IEC A and C weighting curves.
-Automatic noise cancellation.
-Automatic peak note / frequency and octave display.
-Root musical note detection and tuning.
-Narrow band Linear and Logarithmic scalable displays.
-Spectrograph display.
-Octave and 1/3 octave displays.
-SPL (Sound Pressure Level) display.
-10x zoom for accurate analysis of narrow band data.
-Internal Signal Generator (tone and pink noise).
-Touch screen display of nearest point with frequency and decibel readout.
-Up to 16x oversampling.
-Independent gain controls for both internal and external microphones.
-Pause facility freezes the live trace to aid analysis of data.
-Independent 1/3 Octave Calibration of internal and external microphones.
-Capture Buffers allow an additional 3 reference traces to be displayed.
-Camera Roll capture facility (640x480 graphing facility).
-Peak trace facility for better reading of fluctuating frequencies.
-Capture peaks over time facility.
-Comprehensive PDF help system.
Pocket RTA is developed by Limelight Software Ltd
Read more
Pocket RTA has many advanced features which are normally only found in much more expensive sound analysis software, providing fast and accurate spectrum analysis suitable for both amateur hi-fi enthusiasts and professional A/V engineers. Uses include system calibration, monitoring of noise levels and testing of audio equipment.
PocketRTA samples sounds using either internal or external microphones and then applies a Fourier Transform to the samples to obtain a frequency spectrum. The result is an accurate representation of the sampled sound broken down into its frequency components.
Various display modes include, linear narrow band, logarithmic narrow band, Octave, 1/3 Octave, Oscilloscope, SPL and Spectrogram displays with ANSI A and C weighting curves. Use the iPhones multi-touch interface to perform real-time magnification of displays. The touch screen allows selection of the nearest FFT point giving a display of its frequency and decibel level. Up to 16 times oversampling allow more stable readings for fluctuating or unstable input signals whilst our unique noise cancellation system allows you to remove unwanted background noise.
PocketRTA features the ability to calibrate the display using a 1/3 Octave display in order to compensate for imperfections in frequency response of both internal and external microphones. The program automatically detects and switches between both sets of calibration data.
Pocket RTA has the ability to capture up to 3 input signals and overlay them as a reference over live input. All display modes allow exporting of graphed data to the camera roll in JPEG format. These images can then by synced to your desktop PC for better analysis.
Features
========
-Automatic Tilt Control for Portrait / Landscape displays.
-44.1KHz sampling rate for up to 22KHz measurements.
-Definable FFT frame sizes.
-Standard ANSI/IEC A and C weighting curves.
-Automatic noise cancellation.
-Automatic peak note / frequency and octave display.
-Root musical note detection and tuning.
-Narrow band Linear and Logarithmic scalable displays.
-Spectrograph display.
-Octave and 1/3 octave displays.
-SPL (Sound Pressure Level) display.
-10x zoom for accurate analysis of narrow band data.
-Internal Signal Generator (tone and pink noise).
-Touch screen display of nearest point with frequency and decibel readout.
-Up to 16x oversampling.
-Independent gain controls for both internal and external microphones.
-Pause facility freezes the live trace to aid analysis of data.
-Independent 1/3 Octave Calibration of internal and external microphones.
-Capture Buffers allow an additional 3 reference traces to be displayed.
-Camera Roll capture facility (640x480 graphing facility).
-Peak trace facility for better reading of fluctuating frequencies.
-Capture peaks over time facility.
-Comprehensive PDF help system.
Pocket RTA is developed by Limelight Software Ltd
Pocket RTA - Spectrum Analyser screenshorts
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Application availability
Available in countries
| Country | Price |
|---|---|
| USA | 29.99 USD |
Available for devices
iPhone3GS, iPadWifi, iPad3G, iPhone4, iPodTouchThirdGen, iPodTouchFourthGen, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus,Reviews
Pas mal du tout !
Carlos Guinle (Cacau)
This is a professional tool Not for kids!!! Precise, clear interface, accurated. Use on field as a pro tool! Very nice!
HAL9000.AUTO
Not works. After payed worked 1 month ! So i lost my money and had no soluton ! I wonder know if a piracy "version" works more than a month.
Absolut ideal für Lautsprecherbauer
Absolut geile APP, Ergebnisse mit einem Profi Messsystem verglichen, zwar kann man natürlich nicht davon ausgehen das das interne Mikrofon des iPod oder iPhone perfekte Ergebnisse liefert, aber für den Hobbylautsprecherbauer der kein Messsystem hat bzw kaufen möchte, ein muss Für meinen zweck ist diese APP perfekt und preislich ein Hit gegenüber zu einem Messsystem. Bisher nutz ich die APP nur dafür um die Chassis der Lautsprecher einzumessen und die Frequenzweichen zu bauen und nachzumessen, allein dafür hat sich die APP schon bezahlt gemacht. Hätte locker noch mehr dafür bezahlt. Wenn man sich dann noch die weiteren Funktionen der APP ansieht, ein absoluter Hammer, diese APP ist nicht nur für Hobbybauer gedacht, auch Profis können einiges damit anfangen und auf schnelle weise unkompliziert Messungen durchführen.
Mehr geht nicht mit dem iPhone!
Mehr geht nicht mit dem iPhone! - Dem ist nichts hinzuzufügen. Jetzt unter IOS 8 mit dem 6+ noch besser!
keine Funktion mehr
64Bit?????!!!!!!
Must Have Apps for Acoustic Enthusiasts
This app works as well as advertised. Provides quite meaningful data, especially considering that the hardware is an iPhone [3GS here] (in contract to specialized equipment). I am using the app with the iPhones internal microphone, which is unreliable for frequencies below 200 Hz and above 16K Hz. (A good quality external mic may provide better results at those frequency ranges.) The buyer of this app would want to take some time to calibrate the analyser. (No surprise there, as any test equipment needs calibration.) The apps user guide provides valuable information about calibration. For those users who are not familiar with acoustics, complementing the user guide with wikipedia may prove useful. Overall, anyone interested in quantitative acoustics can get tons of data to chew from this app, and overall, Pocket RTA performed well above my expectations: If you want a serious spectrum analyser with a large suite of features that you can carry with you everywhere (like a mobile phone!) Pocket RTA will meet your requirements.
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