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Can the DAC of LB563 directly drive headphones? Are there any compatible or recommended headphone amplifier chips?
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1
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59
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July 15, 2026
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No sound from audio_server mic; a simulated array can be transmitted to the other phone
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3
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42
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July 10, 2026
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Questions about BT Bluetooth message distribution, please help clarify
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4
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102
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June 17, 2026
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Question about I2S performance of 56
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2
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92
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June 2, 2026
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Is it normal that a DAC chip cannot be used due to what appears to be a specific clock limitation in SF32LB52? In drv_i2s_audio.c, the clock divider is set to 8, and the expected I2S clock is noted as 6.144 MHz, but the printed actual frequency is only 1.024 MHz. Is this correct?
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4
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112
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May 9, 2026
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How to configure the audio server to use I2S1 as input
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5
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93
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May 7, 2026
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How to modify the I2S BCLK driver when a DAC has fixed BCLK requirements for different audio formats, causing significant noise during playback, and oscilloscope measurements show the BCLK is doubled?
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1
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61
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May 6, 2026
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audprc history in the main branch fails to run properly after flashing
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2
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94
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April 11, 2026
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opus_encode_float, opus_decode_float declaration error
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1
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60
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March 11, 2026
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Bluetooth initialization failed, can anyone help check where the problem might be?
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5
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105
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February 12, 2026
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Issues regarding ringtone playback
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1
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59
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February 2, 2026
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Can 52D support dual A2DP and dual AG?
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7
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107
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January 16, 2026
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After making calls using HFP, the device becomes very laggy. What could be the reason?
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19
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226
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December 23, 2025
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A2DP connection to USB_UAC having issues
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0
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44
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December 22, 2025
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When Huangshan Pai enables Bluetooth audio, a memory error occurs when connecting to the Xiao Zhi server.
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16
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261
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December 11, 2025
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How to remove the audio portion functionality from HFP and keep only the control portion
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11
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151
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December 11, 2025
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How to make the microphone-captured audio play in real time?
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1
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79
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December 5, 2025
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After AG establishes SCO, how does it actively transmit audio data? Should Audio_open also be called?
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1
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69
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November 21, 2025
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How to debug and resolve I2S transmission fatal error on ISR
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3
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136
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November 5, 2025
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Screen display issues when running rt_driver
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2
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137
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October 31, 2025
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Poor HFP voice audio quality, gender indistinguishable, high background noise—how to troubleshoot the cause or improve audio quality?
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1
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122
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October 28, 2025
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