METHOD AND SYSTEM FOR AUDIO COMPRESSION FOR CONTEXTUAL VOLUME CONTROL

    公开(公告)号:US20240364289A1

    公开(公告)日:2024-10-31

    申请号:US18544243

    申请日:2023-12-18

    Applicant: Apple Inc.

    CPC classification number: H03G3/32 H04R1/1041 H04R2430/01

    Abstract: A method that includes receiving audio content; receiving a volume level at which the audio content is to be played back through a speaker of the headset that is worn by a user; determining a noise level of environmental noise at the headset; determining a noise exposure level by the user based on the volume level, a content level of the audio content, and the noise level; determining whether a content level of the audio content is less than a threshold that is based on the noise exposure level; and responsive to determining that the content level is less than the threshold, adjusting the content level by applying a gain to the audio content such that the gain-adjusted content level of the audio content is at least equal to the noise exposure level.

    Headphone Speech Listening Based on Ambient Noise

    公开(公告)号:US20240005903A1

    公开(公告)日:2024-01-04

    申请号:US18346085

    申请日:2023-06-30

    Applicant: Apple Inc.

    CPC classification number: G10K11/17881 H04R1/1083 G10L2021/02166

    Abstract: Microphone signals of a primary headphone are processed and either a first transparency mode of operation is activated or a second transparency mode of operation. In another aspect, a processor enters different configurations in response to estimated ambient acoustic noise being lower or higher than a threshold, wherein in a first configuration a transparency audio signal is adapted via target voice and wearer voice processing (TVWVP) of a microphone signal to boost detected speech frequencies in the transparency audio signal, and in a second configuration the TVWVP is controlled to, as the estimated ambient acoustic noise increases, reduce boosting of, or not boost at all, the detected speech frequencies in the transparency audio signal. Other aspects are also described and claimed.

    Accelerometer echo suppression and echo gating during a voice communication session on a headphone device

    公开(公告)号:US11290599B1

    公开(公告)日:2022-03-29

    申请号:US17028821

    申请日:2020-09-22

    Applicant: Apple Inc.

    Abstract: A method performed by a near-end headphone device, while the device is engaged in a voice communication session with a far-end device. The method receives a downlink audio signal from the far-end device and drives a speaker with the downlink audio signal. The method receives an accelerometer signal from an accelerometer of the near-end device and performs echo cancellation and residual echo suppression. The method generates a combined SNR-RES signal based on a SNR of the echo cancelled the accelerometer signal and the residual echo suppression signal. The method determines whether the combined SNR-RES signal is below a threshold. In response to being below the threshold, the method gates the echo cancelled accelerometer signal, generates an uplink audio signal by blending the gated signal with a microphone signal and transmits the uplink audio signal to the far-end device.

    METHOD AND SYSTEM FOR ADAPTIVE VOLUME CONTROL

    公开(公告)号:US20210349681A1

    公开(公告)日:2021-11-11

    申请号:US17227233

    申请日:2021-04-09

    Applicant: Apple Inc.

    Abstract: A method performed by an audio source device. The method obtains an input audio signal and determines a sound output level of a headset based on the input audio signal, a user volume setting, and a sound output sensitivity of the headset. The method determines whether the sound output level is above a threshold. In response to determining that the sound output level is above the threshold, a scalar gain is applied upon the input audio signal to produce an output audio signal for output by the headset.

Patent Agency Ranking