股票代码：001287
股票代码：001287
Today, designers and consumers expect more performance from their audio platforms, such as increased connectivity, better sound, longer battery life and enhanced graphics. PIC32 microcontroller solutions can handle all of these requirements.
Many audio applications incorporate different methods of connection for playback, usually but not limited to analog audio (3.5 mm jack or similar), USB streaming audio, or Bluetooth® streaming audio. There is also an increasing demand for wireless audio via Wi-Fi® connections. Also, different streaming sources, such as Android™ or Apple® devices, require different protocols to “talk” to the end audio device.
Analog Audio Connections | USB Streaming Audio | Bluetooth® Streaming Audio |
Supported by majority of digital audio players, cellular phones, tablets and PCs through 3.5 mm line out
Audio is transported via analog signal path and requires the use of an ADC or audio codec to feed MCU
No decoder required on target audio device – all decode is taken care of by playback/storage device (phone, tablet, media player, etc.)
No licensing requirements | Supported by a growing number of smartphones and tablet devices, including Android™, iPad® and iPhone® devices, as well as PC devices, USB audio solutions offer a flexible range of playback options including support for high-resolution (96 kHz, 192 kHz and up to 384 kHz) audio
Microchip PIC32 USB audio solutions offer the flexibility that designers want: options include solutions for mobile USB connections including AOA, MFi and Samsung Audio; Audio Device Class, commonly used in PC applications; and decoder audio, allowing playback of MP3 and WMA type files from a USB thumb drive
Additionally, as these are software-based solutions, they can be easily integrated with additional audio functions including Bluetooth audio playback, graphical user interfaces and general user interfaces to create a complete product | Bluetooth has become the standard wireless audio interface for smartphones and tablet devices, including Android, iPad and iPhone devices, media players, and PC devices
Bluetooth streaming audio is most commonly associated with the A2DP profile, with the audio encapsulated via either SBC or AAC encoding.
The Microchip Bluetooth library includes support for these codecs along with the A2DP profile, and also includes options for HFP, HSP and AVRCP to round out a Bluetooth audio solution
Similar to the USB audio library, as these are software-based, they can be integrated with additional libraries including graphics, Bluetooth data (SPP, including support for Apple® iAP) and, of course, the USB audio libraries |
| 序号 | 型号 | 品牌 |
|---|---|---|
| 1 | PIC32 | Microchip Technology |
