https://community.nxp.com/t5/LPC-Microcontrollers/Experiencing-audio-clarity-issues-while-using-the-WM8904-audio/m-p/2010047#M57372 <P>Hello everyone,</P><P>I am currently using the WM8904 audio codec in my project. The audio is stored in external flash memory, and I am reading it in chunks of 1024 bytes at a time. The audio format is 16-bit WAV with an 8000 Hz sample rate.</P><P>For playback, we are using a mono speaker. I have attached the schematic of our codec for reference.</P><P><STRONG>Issue:</STRONG> The audio output is not clear. I have verified the data being read from the flash, and it matches the stored data.</P><P>I would like to know:</P><OL><LI>What audio formats (sample rate, bit width, clock configuration, etc.) are supported by the WM8904 codec?</LI><LI>How can I ensure proper reading and playback of audio from the flash memory?</LI></OL><P>Thank you.</P> Mon, 09 Dec 2024 10:02:54 GMT Tharun123 2024-12-09T10:02:54Z https://community.nxp.com/t5/LPC-Microcontrollers/Experiencing-audio-clarity-issues-while-using-the-WM8904-audio/m-p/2010047#M57372 <P>Hello everyone,</P><P>I am currently using the WM8904 audio codec in my project. The audio is stored in external flash memory, and I am reading it in chunks of 1024 bytes at a time. The audio format is 16-bit WAV with an 8000 Hz sample rate.</P><P>For playback, we are using a mono speaker. I have attached the schematic of our codec for reference.</P><P><STRONG>Issue:</STRONG> The audio output is not clear. I have verified the data being read from the flash, and it matches the stored data.</P><P>I would like to know:</P><OL><LI>What audio formats (sample rate, bit width, clock configuration, etc.) are supported by the WM8904 codec?</LI><LI>How can I ensure proper reading and playback of audio from the flash memory?</LI></OL><P>Thank you.</P> Mon, 09 Dec 2024 10:02:54 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Experiencing-audio-clarity-issues-while-using-the-WM8904-audio/m-p/2010047#M57372 Tharun123 2024-12-09T10:02:54Z https://community.nxp.com/t5/LPC-Microcontrollers/Experiencing-audio-clarity-issues-while-using-the-WM8904-audio/m-p/2010452#M57376 <P>Hello, I recommend review the examples on the SDK, there are some different types of application, maybe that could help you.</P> <P>The 8khz is too low on quality, I recommend review the rate of the example.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Pavel_Hernandez_0-1733775679018.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/314926i396892E17BC9DCAE/image-size/medium?v=v2&amp;px=400" role="button" title="Pavel_Hernandez_0-1733775679018.png" alt="Pavel_Hernandez_0-1733775679018.png" /></span></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Pavel_Hernandez_1-1733775707004.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/314927i3405242A52781E22/image-size/medium?v=v2&amp;px=400" role="button" title="Pavel_Hernandez_1-1733775707004.png" alt="Pavel_Hernandez_1-1733775707004.png" /></span></P> <P>Best regards,<BR />Pavel</P> Mon, 09 Dec 2024 20:22:01 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Experiencing-audio-clarity-issues-while-using-the-WM8904-audio/m-p/2010452#M57376 Pavel_Hernandez 2024-12-09T20:22:01Z