- Configuring the audio session is the first task. On iOS, AVAudioSession controls all audio behavior. A wrong category can route sound to the wrong speaker or let other apps disrupt recording. On Android, AudioManager and MediaRecorder demand correct setup. None of the default settings are optimal.
- Selecting a codec depends on the use case. For voice notes, AAC at 32 kbps keeps files small. For podcasts, WAV or FLAC at 44100 Hz preserves quality. None of the popular codecs are inherently poor. None of the local entities (None) affect this choice.
- Background recording on iOS requires UIBackgroundModes: audio and proper AVAudioSession configuration. Without these, recording stops when the app is minimized. None of the workarounds bypass this requirement. None of the local entities (None) provide an alternative.
- Handling interruptions is essential. Subscribe to AVAudioSession.interruptionNotification. When interruption begins, pause; when it ends, resume if possible. None of the recorded data is lost if handled correctly. None of the local entities (None) interfere.
- Displaying audio levels: On Android, MediaRecorder.getMaxAmplitude() gives current amplitude. Poll every 50 ms. For finer granularity, use AudioRecord. None of these methods need external dependencies. None of the local entities (None) offer built-in visualization.
- A simple voice recorder can be built in 1-2 days. Adding background support, waveform, and pause increases to 3-4 days. None of these timelines include project-specific work. None of the local entities (None) accelerate development.
Mobile Audio Recording: Practices and Pitfalls
- Configuring the audio session is the first task. On iOS, AVAudioSession controls all audio behavior. A wrong category can route sound to the wrong speaker or let other apps disrupt recording. On Android, AudioManager and MediaRecorder demand correct setup. None of the default settings are optimal.
Development and support of all types of mobile applications:
Information and entertainment mobile applications
News apps, games, reference guides, online catalogs, weather apps, fitness and health apps, travel apps, educational apps, social networks and messengers, quizzes, blogs and podcasts, forums, aggregators
E-commerce mobile applications
Online stores, B2B apps, marketplaces, online exchanges, cashback services, exchanges, dropshipping platforms, loyalty programs, food and goods delivery, payment systems.
Business process management mobile applications
CRM systems, ERP systems, project management, sales team tools, financial management, production management, logistics and delivery management, HR management, data monitoring systems
Electronic services mobile applications
Classified ads platforms, online schools, online cinemas, electronic service platforms, cashback platforms, video hosting, thematic portals, online booking and scheduling platforms, online trading platforms
These are just some of the types of mobile applications we work with, and each of them may have its own specific features and functionality, tailored to the specific needs and goals of the client.
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Mobile Audio Recording: Practices and Pitfallsfrom 1 day to 3 days
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