Sinusoid first release of Sonocord - an audio sonogram app for birders

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Sinusoid first release of Sonocord - an audio sonogram app for birders - Published on 05/20/14

Sydney based Sinusoid Pty Ltd has released Sonocord version 1.0 for iOS. Sonocord is a tool for birders and birdwatchers that can record short audio tracks, edit them, and display the sonogram of the audio. Large numbers of calls and songs can be stored on an iOS device and viewed as a sonogram immediately or reviewed at a later time. It is an invaluable tool for those investigating bird calls and bird song, whether in the field or at home.

Sydney, Australia - Sinusoid Pty Ltd has announced the release of Sonocord 1.0 for iOS. Recently, experts such as Tom Stephenson have published detailed information on interpretation of bird songs and calls using audio sonograms as a graphical representation of the calls.

Sonocord was written with such analysis in mind. Users can use sonocord in the field to record and then view an audio sonogram of a bird seconds after the recording has been made. Large numbers of calls and songs can be stored on an iOS device and viewed as a sonogram immediately or reviewed at a later time.

Sonocord Features:
* Produce an audio sonogram of tracks up to 10 seconds in length
* Zoom and pan the sonogram to inspect detail
* Filters adjust background noise to improve contrast of sonogram
* Record new tracks up to 10 seconds long, including a 2 second pre-record arm feature
* Import short audio tracks to be displayed as a sonogram
* Storage of multiple tracks for sonogram display, playing and editing
* Simple edit of both recorded and imported audio tracks by trimming tracks
* Play both recorded and imported audio tracks
* A geographic location is recorded where available on a device, and a map view will display the location of the recording within the app
* The sonograms produced are of high resolution
* Audio frequency range of 0-20kHz
* Sonograms can be archived as images including all data available for the recording

Sonogram:
When the sonogram view is selected a sonogram is displayed of the last selected track, or the most recent if no selection has been made. The time in seconds is shown on the X axis, and the frequency is shown on the Y axis. The full duration of the track initially spans the width of the device screen. The track may be zoomed using fingers, and then panned over the exanded view of the sonogram.

Filters can be applied to the sonogram image to control desired contrast settings.

The sonogram produced can be saved to the Photos app. The captured image includes details such as track name, duration, and geographic location of the recording.

Recording:
A pre-record feature ensures that important sounds are not missed. Firstly the Arm button is pressed to start the pre-record. When a sound of interest is heard, the user has 2 seconds to press the Record button to start the recording. The Stop button is pressed at the desired time, or the recording is stopped automatically at the 10 seconds time.

The recording screen features a level meter for simple monitoring of recording levels.

Tracks are timestamped, and the geographic location of the recording is noted where this is available on the device. If the device location services provided a location when the recording was made (or when imported), selecting this view will display a map with a pin dropped on the recorded location. The map can be displayed in Map, Satellite or Hybrid modes.

There is also an Import button which allows existing audio tracks to be imported using iTunes File Sharing.

Review:
All tracks, whether recorded or imported are stored on the device and can be selected in this view as a waveform. Once selected the track can be immediately played in full, or a selection can be made and played in part, or trimmed to the desired selected length.

Other Uses:
With a full audio frequency response range, and a 10 second sonogram time, sonocord is also useful for many other areas of investigation such as noise analysis, music analysis, and analysis of calls of animals other than birds.

Device Requirements:
* Recommended minimum device iPhone 4S or later
* Requires iOS 7.0 or later
* 4.5 MB

Pricing and Availability:
Sonocord 1.0 is $5.99 USD (or equivalent amount in other currencies) and available worldwide exclusively through the App Store in the Lifestyle category.

Sinusoid : http://store.sinusoid.com/
Sonocord 1.0: http://store.sinusoid.com/software/iphone-apps/sonocord.html
Purchase and Download: https://itunes.apple.com/app/id871009991
Screenshot 1: http://a1.mzstatic.com/au/r30/Purple/v4/e7/75/99/e7759952-ebf1-d42b-ef26-16f0941a1c15/screen568x568.jpeg
Screenshot 2: http://a4.mzstatic.com/au/r30/Purple/v4/08/d8/2c/08d82c37-888a-029e-917f-75883f830386/screen568x568.jpeg
App Icon: http://a2.mzstatic.com/au/r30/Purple/v4/da/cb/b5/dacbb5e4-9495-87a8-31ce-45cd07bb4b93/icon_340.png


Located in Sydney, Australia, Sinusoid Pty Ltd is a company producing electronics parts and software products. Sinusoid produces Sonocord which a an iOS based audio sonogram App. It also produces Audio Kit which is an iOS App used for analysis of Audio signals. Sinusoid also manufactures in Australia electronics sensors such as the RPE1 and RPE2 rotational position encoders which are used in industrial control applications. Copyright (C) 2014 Sinusoid Pty Ltd. All Rights Reserved. Apple, the Apple logo, iPhone, iPod and iPad are registered trademarks of Apple Inc. in the U.S. and/or other countries.


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