PCM stands for Pulse Code Modulation. In the context of a Yamaha receiver, PCM refers to the audio signal format that is being processed and decoded by the receiver.
PCM is a method of digitally encoding analog audio signals. It is commonly used in various audio systems, including home theater setups. When you see PCM displayed on your Yamaha receiver, it indicates that the audio signal being received and processed is in PCM format.
PCM signals can be transmitted via various connections, such as HDMI, optical (TOSLINK), or coaxial. The PCM format is typically used when the audio source is already in digital format, such as from a Blu-ray player, DVD player, or gaming console. It means that the receiver is receiving a digital audio signal that has been encoded using PCM.
Yamaha receivers are capable of decoding PCM signals and converting them back into analog audio for playback through connected speakers or other audio output devices. The PCM format allows for high-quality audio reproduction and is a widely supported standard in audio systems.
If you have further questions about the PCM functionality on your specific Yamaha receiver model, it is recommended to consult the user manual or contact Yamaha customer support for detailed information and assistance.